diff --git a/src/sentry/api/endpoints/organization_events_trends_v2.py b/src/sentry/api/endpoints/organization_events_trends_v2.py
index fd065746ec69..58f62d80e2f5 100644
--- a/src/sentry/api/endpoints/organization_events_trends_v2.py
+++ b/src/sentry/api/endpoints/organization_events_trends_v2.py
@@ -1,5 +1,4 @@
 import logging
-from functools import partial
 
 import sentry_sdk
 from rest_framework.exceptions import ParseError
@@ -17,7 +16,6 @@
 from sentry.ratelimits.config import RateLimitConfig
 from sentry.search.events.constants import METRICS_GRANULARITIES
 from sentry.seer.breakpoints import detect_breakpoints
-from sentry.seer.signed_seer_api import SeerViewerContext
 from sentry.snuba import metrics_performance
 from sentry.snuba.discover import create_result_key, zerofill
 from sentry.snuba.metrics_performance import query as metrics_query
@@ -69,8 +67,6 @@ class OrganizationEventsNewTrendsStatsEndpoint(OrganizationEventsEndpointBase):
     )
 
     def get(self, request: Request, organization: Organization) -> Response:
-        viewer_context = SeerViewerContext(organization_id=organization.id, user_id=request.user.id)
-
         try:
             snuba_params = self.get_snuba_params(request, organization)
         except NoProjects:
@@ -284,7 +280,7 @@ def get_trends_data(stats_data, request):
             ) as query_thread_pool:
                 results = list(
                     query_thread_pool.map(
-                        partial(detect_breakpoints, viewer_context=viewer_context),
+                        detect_breakpoints,
                         trends_requests,
                     )
                 )
diff --git a/src/sentry/api/endpoints/organization_profiling_functions.py b/src/sentry/api/endpoints/organization_profiling_functions.py
index 8402c1feb931..bf0ac85d1518 100644
--- a/src/sentry/api/endpoints/organization_profiling_functions.py
+++ b/src/sentry/api/endpoints/organization_profiling_functions.py
@@ -20,7 +20,6 @@
 from sentry.search.events.builder.profile_functions import ProfileTopFunctionsTimeseriesQueryBuilder
 from sentry.search.events.types import QueryBuilderConfig
 from sentry.seer.breakpoints import BreakpointData, BreakpointRequest, detect_breakpoints
-from sentry.seer.signed_seer_api import SeerViewerContext
 from sentry.snuba import functions
 from sentry.snuba.dataset import Dataset
 from sentry.snuba.referrer import Referrer
@@ -82,8 +81,6 @@ def get(self, request: Request, organization: Organization) -> Response:
         if not self.has_feature(organization, request):
             return Response(status=404)
 
-        viewer_context = SeerViewerContext(organization_id=organization.id, user_id=request.user.id)
-
         try:
             snuba_params = self.get_snuba_params(request, organization)
         except NoProjects:
@@ -189,7 +186,7 @@ def get_trends_data(stats_data) -> list[BreakpointData]:
                 "sort": data["trend"].as_sort(),
             }
 
-            return detect_breakpoints(trends_request, viewer_context=viewer_context)["data"]
+            return detect_breakpoints(trends_request)["data"]
 
         stats_data = self.get_event_stats_data(
             request,
diff --git a/src/sentry/api/endpoints/organization_trace_item_attributes_ranked.py b/src/sentry/api/endpoints/organization_trace_item_attributes_ranked.py
index d3560f833986..67e1ca1448bd 100644
--- a/src/sentry/api/endpoints/organization_trace_item_attributes_ranked.py
+++ b/src/sentry/api/endpoints/organization_trace_item_attributes_ranked.py
@@ -29,7 +29,6 @@
 from sentry.search.eap.utils import can_expose_attribute, translate_internal_to_public_alias
 from sentry.search.events import fields
 from sentry.seer.endpoints.compare import compare_distributions
-from sentry.seer.signed_seer_api import SeerViewerContext
 from sentry.snuba.referrer import Referrer
 from sentry.snuba.spans_rpc import Spans
 from sentry.utils import snuba_rpc
@@ -105,7 +104,6 @@ def get(self, request: Request, organization: Organization) -> Response:
             {"referrer": Referrer.API_TRACE_EXPLORER_STATS.value},
         )
 
-        viewer_context = SeerViewerContext(organization_id=organization.id, user_id=request.user.id)
         scored_attrs_rrr = compare_distributions(
             baseline=cohort_2_distribution,
             outliers=cohort_1_distribution,
@@ -118,7 +116,6 @@ def get(self, request: Request, organization: Organization) -> Response:
             meta={
                 "referrer": Referrer.API_TRACE_EXPLORER_STATS.value,
             },
-            viewer_context=viewer_context,
         )
         logger.info("scored_attrs_rrr: %s", scored_attrs_rrr)
 
diff --git a/src/sentry/feedback/endpoints/organization_feedback_categories.py b/src/sentry/feedback/endpoints/organization_feedback_categories.py
index 1bb71c8270ea..f12d6e3171a6 100644
--- a/src/sentry/feedback/endpoints/organization_feedback_categories.py
+++ b/src/sentry/feedback/endpoints/organization_feedback_categories.py
@@ -26,7 +26,6 @@
 from sentry.grouping.utils import hash_from_values
 from sentry.models.organization import Organization
 from sentry.seer.seer_setup import has_seer_access
-from sentry.seer.signed_seer_api import SeerViewerContext
 from sentry.utils.cache import cache
 
 logger = logging.getLogger(__name__)
@@ -108,8 +107,6 @@ def get(self, request: Request, organization: Organization) -> Response:
                 {"detail": "AI categorization is not available for this organization."}, status=403
             )
 
-        viewer_context = SeerViewerContext(organization_id=organization.id, user_id=request.user.id)
-
         try:
             start, end = get_date_range_from_stats_period(
                 request.GET,
@@ -195,7 +192,6 @@ def get(self, request: Request, organization: Organization) -> Response:
                     seer_request,
                     timeout=SEER_TIMEOUT_S,
                     retries=SEER_RETRIES,
-                    viewer_context=viewer_context,
                 )
             except Exception:
                 logger.exception("Seer failed to generate user feedback label groups")
diff --git a/src/sentry/feedback/endpoints/organization_feedback_summary.py b/src/sentry/feedback/endpoints/organization_feedback_summary.py
index 4f10d724582c..c52fc5826f3d 100644
--- a/src/sentry/feedback/endpoints/organization_feedback_summary.py
+++ b/src/sentry/feedback/endpoints/organization_feedback_summary.py
@@ -18,7 +18,6 @@
 from sentry.models.group import Group, GroupStatus
 from sentry.models.organization import Organization
 from sentry.seer.seer_setup import has_seer_access
-from sentry.seer.signed_seer_api import SeerViewerContext
 from sentry.utils import metrics
 from sentry.utils.cache import cache
 
@@ -38,7 +37,6 @@
 
 def get_summary_from_seer(
     feedback_msgs: list[str],
-    viewer_context: SeerViewerContext | None = None,
 ) -> str | None:
     request_body = SummarizeFeedbacksRequest(feedbacks=feedback_msgs)
     try:
@@ -46,7 +44,6 @@ def get_summary_from_seer(
             request_body,
             timeout=SEER_TIMEOUT_S,
             retries=SEER_RETRIES,
-            viewer_context=viewer_context,
         )
     except Exception:
         logger.exception(
@@ -95,8 +92,6 @@ def get(self, request: Request, organization: Organization) -> Response:
                 {"detail": "AI summaries are not available for this organization."}, status=403
             )
 
-        viewer_context = SeerViewerContext(organization_id=organization.id, user_id=request.user.id)
-
         try:
             start, end = get_date_range_from_stats_period(
                 request.GET,
@@ -162,7 +157,7 @@ def get(self, request: Request, organization: Organization) -> Response:
         if len(feedback_msgs) < MIN_FEEDBACKS_TO_SUMMARIZE:
             logger.error("Too few feedbacks to summarize after enforcing the character limit")
 
-        summary = get_summary_from_seer(feedback_msgs, viewer_context=viewer_context)
+        summary = get_summary_from_seer(feedback_msgs)
         if summary is None:
             return Response(
                 {"detail": "Failed to generate a summary for a list of feedbacks"}, status=500
diff --git a/src/sentry/integrations/utils/external_issues.py b/src/sentry/integrations/utils/external_issues.py
index 122a546f4c27..be31f32d9b21 100644
--- a/src/sentry/integrations/utils/external_issues.py
+++ b/src/sentry/integrations/utils/external_issues.py
@@ -7,7 +7,6 @@
 from sentry.models.group import Group
 from sentry.seer.signed_seer_api import (
     LlmGenerateRequest,
-    SeerViewerContext,
     make_llm_generate_request,
 )
 from sentry.services.eventstore.models import GroupEvent
@@ -63,9 +62,9 @@ class GeneratedExternalIssueDetails(TypedDict):
 
 
 def _make_generate_external_issue_details_request(
-    group: Group, event: Any | None = None, viewer_context: SeerViewerContext | None = None
+    group: Group, event: Any | None = None
 ) -> GeneratedExternalIssueDetails | None:
-    logging_ctx: dict[str, Any] = {"group_id": group.id, "viewer_context": viewer_context}
+    logging_ctx: dict[str, Any] = {"group_id": group.id}
     context = _build_event_context(group, event=event)
 
     body = LlmGenerateRequest(
@@ -85,7 +84,7 @@ def _make_generate_external_issue_details_request(
             "required": ["title", "description"],
         },
     )
-    response = make_llm_generate_request(body, timeout=10, viewer_context=viewer_context)
+    response = make_llm_generate_request(body, timeout=10)
     logging_ctx["status_code"] = response.status
     if response.status >= 400:
         logger.warning("external_issues.seer_request_failed", extra=logging_ctx)
@@ -131,10 +130,7 @@ def maybe_generate_external_issue_details(
         return empty_result
 
     try:
-        viewer_context = SeerViewerContext(organization_id=organization.id, user_id=user.id)
-        result = _make_generate_external_issue_details_request(
-            group, event=event, viewer_context=viewer_context
-        )
+        result = _make_generate_external_issue_details_request(group, event=event)
     except Exception:
         logger.error("external_issues.generate_issue_details_failed", exc_info=True)
         return empty_result
diff --git a/src/sentry/issues/endpoints/group_similar_issues_embeddings.py b/src/sentry/issues/endpoints/group_similar_issues_embeddings.py
index ef23ebec4494..3c5dba3c60d7 100644
--- a/src/sentry/issues/endpoints/group_similar_issues_embeddings.py
+++ b/src/sentry/issues/endpoints/group_similar_issues_embeddings.py
@@ -18,7 +18,6 @@
 from sentry.issues.endpoints.bases.group import GroupEndpoint
 from sentry.models.group import Group
 from sentry.models.grouphash import GroupHash
-from sentry.seer.signed_seer_api import SeerViewerContext
 from sentry.seer.similarity.config import get_grouping_model_version, should_skip_seer_fallback
 from sentry.seer.similarity.similar_issues import get_similarity_data_from_seer
 from sentry.seer.similarity.types import SeerSimilarIssueData, SimilarIssuesEmbeddingsRequest
@@ -136,12 +135,7 @@ def get(self, request: Request, group: Group) -> Response:
 
         logger.info("Similar issues embeddings parameters", extra=similar_issues_params)
 
-        viewer_context = SeerViewerContext(
-            organization_id=group.project.organization.id, user_id=request.user.id
-        )
-        results, _model_used = get_similarity_data_from_seer(
-            similar_issues_params, viewer_context=viewer_context
-        )
+        results, _model_used = get_similarity_data_from_seer(similar_issues_params)
 
         analytics.record(
             GroupSimilarIssuesEmbeddingsCountEvent(
diff --git a/src/sentry/issues/endpoints/organization_issues_with_supergroups.py b/src/sentry/issues/endpoints/organization_issues_with_supergroups.py
index b598bcc36fee..c48f55b935cd 100644
--- a/src/sentry/issues/endpoints/organization_issues_with_supergroups.py
+++ b/src/sentry/issues/endpoints/organization_issues_with_supergroups.py
@@ -94,7 +94,7 @@ def get(self, request: Request, organization: Organization) -> Response:
                 # breaking the stream.
                 try:
                     supergroup_data = get_supergroups_by_group_ids(
-                        organization, [int(g["id"]) for g in groups], user_id=request.user.id
+                        organization, [int(g["id"]) for g in groups]
                     )
                 except SeerApiError:
                     logger.exception("issues_with_supergroups.seer_fetch_failed")
diff --git a/src/sentry/replays/endpoints/project_replay_summary.py b/src/sentry/replays/endpoints/project_replay_summary.py
index 8faae596c5c8..e5285b80c40e 100644
--- a/src/sentry/replays/endpoints/project_replay_summary.py
+++ b/src/sentry/replays/endpoints/project_replay_summary.py
@@ -23,7 +23,6 @@
 from sentry.replays.post_process import process_raw_response
 from sentry.replays.query import query_replay_instance
 from sentry.seer.seer_setup import has_seer_access
-from sentry.seer.signed_seer_api import SeerViewerContext
 from sentry.utils.tracing import start_span
 
 logger = logging.getLogger(__name__)
@@ -68,7 +67,6 @@ def __init__(self, **kw) -> None:
     def _make_seer_start_request(
         self,
         body: ReplaySummaryStartRequest,
-        viewer_context: SeerViewerContext | None = None,
     ) -> Response:
         """Make a start-summary request to Seer with error handling."""
         serialized = orjson.dumps(body)
@@ -89,7 +87,6 @@ def _make_seer_start_request(
                 body,
                 timeout=5,
                 retries=0,
-                viewer_context=viewer_context,
             )
         except Exception:
             logger.exception(
@@ -114,7 +111,6 @@ def _make_seer_start_request(
     def _make_seer_state_request(
         self,
         body: ReplaySummaryStateRequest,
-        viewer_context: SeerViewerContext | None = None,
     ) -> Response:
         """Make a poll-state request to Seer with error handling."""
         try:
@@ -122,7 +118,6 @@ def _make_seer_state_request(
                 body,
                 timeout=5,
                 retries=0,
-                viewer_context=viewer_context,
             )
         except Exception:
             logger.exception(
@@ -177,10 +172,6 @@ def get(self, request: Request, project: Project, replay_id: str) -> Response:
             # Since this endpoint is polled, we skip checking Seer permissions here for performance.
             # Both the frontend and summary generation are gated by the same permissions.
 
-            viewer_context = SeerViewerContext(
-                organization_id=project.organization_id, user_id=request.user.id
-            )
-
             # Request Seer for the state of the summary task.
             return self._make_seer_state_request(
                 ReplaySummaryStateRequest(
@@ -188,7 +179,6 @@ def get(self, request: Request, project: Project, replay_id: str) -> Response:
                     organization_id=project.organization.id,
                     project_id=project.id,
                 ),
-                viewer_context=viewer_context,
             )
 
     def post(self, request: Request, project: Project, replay_id: str) -> Response:
@@ -282,8 +272,4 @@ def validate_iso_timestamp(timestamp: str | None) -> str | None:
             if temperature is not None:
                 start_request["temperature"] = temperature
 
-            viewer_context = SeerViewerContext(
-                organization_id=project.organization_id, user_id=request.user.id
-            )
-
-            return self._make_seer_start_request(start_request, viewer_context=viewer_context)
+            return self._make_seer_start_request(start_request)
diff --git a/src/sentry/seer/agent/client.py b/src/sentry/seer/agent/client.py
index 3aa0f8ce46d5..9f79fc279b38 100644
--- a/src/sentry/seer/agent/client.py
+++ b/src/sentry/seer/agent/client.py
@@ -57,7 +57,6 @@
 )
 from sentry.seer.models.run import SeerAgentRun, SeerRun, SeerRunType
 from sentry.seer.seer_setup import has_seer_access_with_detail
-from sentry.seer.signed_seer_api import SeerViewerContext
 from sentry.tasks.seer.context_engine_index import build_service_map, index_org_project_knowledge
 from sentry.tasks.seer.explorer_index import dispatch_explorer_index_projects
 from sentry.users.models.user import User
@@ -360,8 +359,6 @@ def __init__(
 
         self.enable_pr_context_tools = enable_pr_context_tools
 
-        self.viewer_context = self._build_viewer_context()
-
         # Validate that category_key and category_value are provided together
         if category_key == "" or category_value == "":
             raise ValueError("category_key and category_value cannot be empty strings")
@@ -373,12 +370,6 @@ def __init__(
         if not has_access:
             raise SeerPermissionError(error or "Access denied")
 
-    def _build_viewer_context(self) -> SeerViewerContext:
-        context = SeerViewerContext(organization_id=self.organization.id)
-        if self.user and hasattr(self.user, "id") and self.user.id is not None:
-            context["user_id"] = self.user.id
-        return context
-
     def start_run(
         self,
         prompt: str,
@@ -518,7 +509,6 @@ def _create_agent_run(run: SeerRun) -> None:
             run_type=SeerRunType.EXPLORER,
             body=chat_body,
             on_run_created=_create_agent_run,
-            viewer_context=self.viewer_context,
             user_id=user_id,
             referrer=metadata.get("referrer") if metadata else None,
             flush=True,
@@ -576,7 +566,6 @@ def _create_agent_run(run: SeerRun) -> None:
                 payload=payload,
                 agent_run_options=self._build_agent_run_options(),
             ),
-            viewer_context=self.viewer_context,
             user_id=user_id,
             referrer=feature_id,
             flush=flush,
@@ -775,7 +764,7 @@ def continue_run(
         ):
             agent_run_options["enable_streaming"] = True
 
-        response = make_agent_chat_request(chat_body, viewer_context=self.viewer_context)
+        response = make_agent_chat_request(chat_body)
 
         if response.status >= 400:
             raise SeerApiError("Seer request failed", response.status)
@@ -813,10 +802,9 @@ def get_run(
                 self.organization,
                 poll_interval,
                 poll_timeout,
-                viewer_context=self.viewer_context,
             )
         else:
-            state = fetch_run_status(run_id, self.organization, viewer_context=self.viewer_context)
+            state = fetch_run_status(run_id, self.organization)
 
         return state
 
@@ -912,7 +900,7 @@ def get_runs(
         if query is not None:
             runs_body["query"] = query
 
-        response = make_agent_runs_request(runs_body, viewer_context=self.viewer_context)
+        response = make_agent_runs_request(runs_body)
 
         if response.status >= 400:
             raise SeerApiError("Seer request failed", response.status)
@@ -927,7 +915,7 @@ def get_repos(self, run_id: int) -> BaseHTTPResponse:
             run_id=run_id,
             organization_id=self.organization.id,
         )
-        return make_agent_repos_request(body, viewer_context=self.viewer_context)
+        return make_agent_repos_request(body)
 
     def push_changes(
         self,
@@ -984,7 +972,7 @@ def push_changes(
             organization_id=self.organization.id,
             payload=payload,
         )
-        response = make_agent_update_request(update_body, viewer_context=self.viewer_context)
+        response = make_agent_update_request(update_body)
         if response.status >= 400:
             raise SeerApiError("Seer request failed", response.status)
 
@@ -995,7 +983,7 @@ def push_changes(
         start_time = time.time()
 
         while True:
-            state = fetch_run_status(run_id, self.organization, viewer_context=self.viewer_context)
+            state = fetch_run_status(run_id, self.organization)
 
             # Check if any PRs are still being created
             any_creating = any(
diff --git a/src/sentry/seer/agent/client_utils.py b/src/sentry/seer/agent/client_utils.py
index 8b613505e446..86f3d4a7c874 100644
--- a/src/sentry/seer/agent/client_utils.py
+++ b/src/sentry/seer/agent/client_utils.py
@@ -48,6 +48,7 @@
 from sentry.users.services.user_option.service import get_option_from_list
 from sentry.utils import metrics
 from sentry.utils.strings import strip_lone_surrogates
+from sentry.viewer_context import get_viewer_context
 
 logger = logging.getLogger(__name__)
 
@@ -57,6 +58,21 @@
 )
 
 
+def _serialize_viewer_context_for_outbox(
+    explicit: SeerViewerContext | None,
+) -> dict[str, Any] | None:
+    """Serialize viewer context for outbox payload, falling back to contextvar."""
+    if explicit is not None:
+        return dict(explicit)
+    vc = get_viewer_context()
+    if vc is None:
+        return None
+    result: dict[str, Any] = {"organization_id": vc.organization_id}
+    if vc.user_id is not None:
+        result["user_id"] = vc.user_id
+    return result
+
+
 class AgentStateRequest(TypedDict):
     run_id: int
     organization_id: int
@@ -250,7 +266,7 @@ def enqueue_seer_run(
     organization: Organization,
     run_type: SeerRunType,
     body: Mapping[str, Any],
-    viewer_context: SeerViewerContext | None,
+    viewer_context: SeerViewerContext | None = None,
     user_id: int | None = None,
     referrer: str | None = None,
     flush: bool = True,
@@ -287,7 +303,7 @@ def enqueue_seer_run(
                 payload=_sanitize_json_strings(
                     {
                         "body": dict(body),
-                        "viewer_context": dict(viewer_context) if viewer_context else None,
+                        "viewer_context": _serialize_viewer_context_for_outbox(viewer_context),
                     }
                 ),
             ).save()
diff --git a/src/sentry/seer/endpoints/compare.py b/src/sentry/seer/endpoints/compare.py
index 170b9ebb30ec..9ab4b4677f2a 100644
--- a/src/sentry/seer/endpoints/compare.py
+++ b/src/sentry/seer/endpoints/compare.py
@@ -6,7 +6,6 @@
 from sentry.seer.models import SeerApiError
 from sentry.seer.signed_seer_api import (
     CompareDistributionsRequest,
-    SeerViewerContext,
     make_compare_distributions_request,
 )
 from sentry.utils.json import JSONDecodeError
@@ -21,7 +20,6 @@ def compare_distributions(
     total_outliers: int,
     config: dict[str, Any],
     meta: dict[str, Any],
-    viewer_context: SeerViewerContext | None = None,
 ) -> Any:
     """
     Sends a request to seer to compare two distributions and rank their attributes by suspisiouness
@@ -35,7 +33,7 @@ def compare_distributions(
         config=config,
         meta=meta,
     )
-    response = make_compare_distributions_request(body, viewer_context=viewer_context)
+    response = make_compare_distributions_request(body)
     if response.status >= 400:
         raise SeerApiError("Seer request failed", response.status)
     try:
diff --git a/src/sentry/seer/endpoints/issue_view_title_generate.py b/src/sentry/seer/endpoints/issue_view_title_generate.py
index cfe714c733ea..606c947880f9 100644
--- a/src/sentry/seer/endpoints/issue_view_title_generate.py
+++ b/src/sentry/seer/endpoints/issue_view_title_generate.py
@@ -14,7 +14,6 @@
 from sentry.seer.models import SeerApiError
 from sentry.seer.signed_seer_api import (
     LlmGenerateRequest,
-    SeerViewerContext,
     make_llm_generate_request,
 )
 
@@ -53,7 +52,7 @@ class IssueViewTitleGeneratePermission(OrganizationPermission):
 
 
 def generate_title_from_query(
-    query: str, viewer_context: SeerViewerContext | None = None
+    query: str,
 ) -> str | None:
     truncated_query = query[:MAX_QUERY_LENGTH] if len(query) > MAX_QUERY_LENGTH else query
 
@@ -68,7 +67,7 @@ def generate_title_from_query(
         temperature=0.2,
         max_tokens=100,
     )
-    response = make_llm_generate_request(body, timeout=10, viewer_context=viewer_context)
+    response = make_llm_generate_request(body, timeout=10)
     if response.status >= 400:
         raise SeerApiError("Seer request failed", response.status)
     data = response.json()
@@ -96,10 +95,7 @@ def post(self, request: Request, organization: Organization) -> Response:
             )
 
         try:
-            viewer_context = SeerViewerContext(
-                organization_id=organization.id, user_id=request.user.id
-            )
-            title = generate_title_from_query(query, viewer_context=viewer_context)
+            title = generate_title_from_query(query)
             if not title or not title.strip():
                 logger.error(
                     "No title returned from Seer",
diff --git a/src/sentry/seer/endpoints/organization_seer_runs.py b/src/sentry/seer/endpoints/organization_seer_runs.py
index 37bf97061c30..8cde709b2079 100644
--- a/src/sentry/seer/endpoints/organization_seer_runs.py
+++ b/src/sentry/seer/endpoints/organization_seer_runs.py
@@ -51,7 +51,6 @@ def _fetch_run_outputs(
     organization: Organization,
     *,
     questions: Sequence[Question],
-    user_id: int | None,
 ) -> dict[int, list[RunQuestionOutput]]:
     qualifying = [
         run
@@ -65,7 +64,6 @@ def _fetch_run_outputs(
         [run.seer_run_state_id for run in qualifying],
         organization,
         questions=questions,
-        user_id=user_id,
     )
 
     def to_output(q: RunQuestion) -> RunQuestionOutput:
@@ -224,7 +222,6 @@ def on_results(runs: Sequence[SeerRun]) -> list[SeerRunResponse]:
                     runs,
                     organization,
                     questions=run_questions,
-                    user_id=request.user.id,
                 )
                 for run, data in zip(runs, serialized):
                     data["outputs"] = outputs_by_run_id.get(run.id, [])
diff --git a/src/sentry/seer/endpoints/search_agent_start.py b/src/sentry/seer/endpoints/search_agent_start.py
index be507dca16e8..6f75b326fe35 100644
--- a/src/sentry/seer/endpoints/search_agent_start.py
+++ b/src/sentry/seer/endpoints/search_agent_start.py
@@ -19,7 +19,7 @@
 from sentry.seer.models import SeerApiError
 from sentry.seer.models.run import SeerRun, SeerRunType
 from sentry.seer.seer_setup import has_seer_access_with_detail
-from sentry.seer.signed_seer_api import SearchAgentStartRequest, SeerViewerContext
+from sentry.seer.signed_seer_api import SearchAgentStartRequest
 
 logger = logging.getLogger(__name__)
 
@@ -65,7 +65,6 @@ def send_search_agent_start_request(
     timezone: str | None = None,
     model_name: str | None = None,
     metric_context: dict[str, Any] | None = None,
-    viewer_context: SeerViewerContext | None = None,
 ) -> SeerRun:
     """Create the SeerRun mirror and enqueue the outbox that starts the agent in Seer."""
     body = SearchAgentStartRequest(
@@ -91,7 +90,6 @@ def send_search_agent_start_request(
         organization=organization,
         run_type=SeerRunType.ASSISTED_QUERY,
         body=body,
-        viewer_context=viewer_context,
         user_id=user_id,
     )
 
@@ -175,9 +173,6 @@ def post(self, request: Request, organization: Organization) -> Response:
         user_email = user_org_context.get("user_email")
         timezone = user_org_context.get("user_timezone")
         try:
-            viewer_context = SeerViewerContext(
-                organization_id=organization.id, user_id=request.user.id
-            )
             result = send_search_agent_start_request(
                 organization=organization,
                 user_id=request.user.id,
@@ -188,7 +183,6 @@ def post(self, request: Request, organization: Organization) -> Response:
                 timezone=timezone,
                 model_name=model_name,
                 metric_context=metric_context,
-                viewer_context=viewer_context,
             )
             return Response(
                 {
diff --git a/src/sentry/seer/endpoints/search_agent_state.py b/src/sentry/seer/endpoints/search_agent_state.py
index 6fd186069eea..2ee99555c37c 100644
--- a/src/sentry/seer/endpoints/search_agent_state.py
+++ b/src/sentry/seer/endpoints/search_agent_state.py
@@ -20,23 +20,20 @@
 from sentry.seer.seer_setup import has_seer_access_with_detail
 from sentry.seer.signed_seer_api import (
     SearchAgentStateRequest,
-    SeerViewerContext,
     make_search_agent_state_request,
 )
 
 logger = logging.getLogger(__name__)
 
 
-def fetch_search_agent_state(
-    run_id: int, organization_id: int, viewer_context: SeerViewerContext | None = None
-) -> dict[str, Any]:
+def fetch_search_agent_state(run_id: int, organization_id: int) -> dict[str, Any]:
     """
     Fetch the current state of a search agent run from Seer.
 
     Calls POST /v1/assisted-query/state with the run_id and organization_id.
     """
     body = SearchAgentStateRequest(run_id=run_id, organization_id=organization_id)
-    response = make_search_agent_state_request(body, timeout=10, viewer_context=viewer_context)
+    response = make_search_agent_state_request(body, timeout=10)
     if response.status >= 400:
         raise SeerApiError("Seer request failed", response.status)
     return response.json()
@@ -110,12 +107,7 @@ def get(self, request: Request, organization: Organization, run_id: str) -> Resp
         seer_run_id = resolved.seer_run_state_id
 
         try:
-            viewer_context = SeerViewerContext(
-                organization_id=organization.id, user_id=request.user.id
-            )
-            data = fetch_search_agent_state(
-                seer_run_id, organization.id, viewer_context=viewer_context
-            )
+            data = fetch_search_agent_state(seer_run_id, organization.id)
             data["sentry_run_id"] = resolved.uuid
             return Response(data)
 
diff --git a/src/sentry/seer/endpoints/trace_explorer_ai_query.py b/src/sentry/seer/endpoints/trace_explorer_ai_query.py
index 12146d67bf06..937dadd27cbe 100644
--- a/src/sentry/seer/endpoints/trace_explorer_ai_query.py
+++ b/src/sentry/seer/endpoints/trace_explorer_ai_query.py
@@ -17,7 +17,6 @@
 from sentry.seer.endpoints.trace_explorer_ai_setup import OrganizationTraceExplorerAIPermission
 from sentry.seer.models import SeerApiError
 from sentry.seer.signed_seer_api import (
-    SeerViewerContext,
     TranslateQueryRequest,
     make_translate_query_request,
 )
@@ -30,7 +29,6 @@ def send_translate_request(
     org_slug: str,
     project_ids: list[int],
     natural_language_query: str,
-    viewer_context: SeerViewerContext | None = None,
 ) -> Any:
     """
     Sends a request to seer to create the initial cached prompt / setup the AI models
@@ -41,7 +39,7 @@ def send_translate_request(
         project_ids=project_ids,
         natural_language_query=natural_language_query,
     )
-    response = make_translate_query_request(body, timeout=30, viewer_context=viewer_context)
+    response = make_translate_query_request(body, timeout=30)
     if response.status >= 400:
         raise SeerApiError("Seer request failed", response.status)
     return response.json()
@@ -110,13 +108,11 @@ def post(self, request: Request, organization: Organization) -> Response:
                 {"detail": "Seer is not properly configured."},
                 status=status.HTTP_500_INTERNAL_SERVER_ERROR,
             )
-        viewer_context = SeerViewerContext(organization_id=organization.id, user_id=request.user.id)
         data = send_translate_request(
             organization.id,
             organization.slug,
             project_ids,
             natural_language_query,
-            viewer_context=viewer_context,
         )
 
         responses = data.get("responses", [])[:limit]
diff --git a/src/sentry/seer/endpoints/trace_explorer_ai_setup.py b/src/sentry/seer/endpoints/trace_explorer_ai_setup.py
index 6c34880a50f8..4f7213bdab20 100644
--- a/src/sentry/seer/endpoints/trace_explorer_ai_setup.py
+++ b/src/sentry/seer/endpoints/trace_explorer_ai_setup.py
@@ -17,7 +17,6 @@
 from sentry.seer.models import SeerApiError
 from sentry.seer.signed_seer_api import (
     CreateCacheRequest,
-    SeerViewerContext,
     make_create_cache_request,
 )
 
@@ -33,14 +32,12 @@ class OrganizationTraceExplorerAIPermission(OrganizationPermission):
     }
 
 
-def fire_setup_request(
-    org_id: int, project_ids: list[int], viewer_context: SeerViewerContext | None = None
-) -> None:
+def fire_setup_request(org_id: int, project_ids: list[int]) -> None:
     """
     Sends a request to seer to create the initial cached prompt / setup the AI models
     """
     body = CreateCacheRequest(org_id=org_id, project_ids=project_ids)
-    response = make_create_cache_request(body, viewer_context=viewer_context)
+    response = make_create_cache_request(body)
     if response.status >= 400:
         raise SeerApiError("Seer request failed", response.status)
 
@@ -97,7 +94,6 @@ def post(self, request: Request, organization: Organization) -> Response:
                 {"detail": "Seer is not properly configured."},
                 status=status.HTTP_500_INTERNAL_SERVER_ERROR,
             )
-        viewer_context = SeerViewerContext(organization_id=organization.id, user_id=request.user.id)
-        fire_setup_request(organization.id, validated_project_ids, viewer_context=viewer_context)
+        fire_setup_request(organization.id, validated_project_ids)
 
         return Response({"status": "ok"})
diff --git a/src/sentry/seer/endpoints/trace_explorer_ai_translate_agentic.py b/src/sentry/seer/endpoints/trace_explorer_ai_translate_agentic.py
index f9102b40100a..3aa3addabb5a 100644
--- a/src/sentry/seer/endpoints/trace_explorer_ai_translate_agentic.py
+++ b/src/sentry/seer/endpoints/trace_explorer_ai_translate_agentic.py
@@ -18,7 +18,6 @@
 from sentry.seer.models import SeerApiError
 from sentry.seer.seer_setup import has_seer_access_with_detail
 from sentry.seer.signed_seer_api import (
-    SeerViewerContext,
     TranslateAgenticRequest,
     make_translate_agentic_request,
 )
@@ -65,7 +64,6 @@ def send_translate_agentic_request(
     strategy: str = "Traces",
     model_name: str | None = None,
     metric_context: dict[str, Any] | None = None,
-    viewer_context: SeerViewerContext | None = None,
 ) -> Any:
     """
     Sends a request to seer to translate a natural language query using the agentic search API.
@@ -84,7 +82,7 @@ def send_translate_agentic_request(
         options["metric_context"] = metric_context
     body["options"] = options
 
-    response = make_translate_agentic_request(body, timeout=10, viewer_context=viewer_context)
+    response = make_translate_agentic_request(body, timeout=10)
     if response.status >= 400:
         raise SeerApiError("Seer request failed", response.status)
     return response.json()
@@ -142,7 +140,6 @@ def post(self, request: Request, organization: Organization) -> Response:
                 status=status.HTTP_500_INTERNAL_SERVER_ERROR,
             )
 
-        viewer_context = SeerViewerContext(organization_id=organization.id, user_id=request.user.id)
         data = send_translate_agentic_request(
             organization.id,
             organization.slug,
@@ -151,6 +148,5 @@ def post(self, request: Request, organization: Organization) -> Response:
             strategy=strategy,
             model_name=model_name,
             metric_context=metric_context,
-            viewer_context=viewer_context,
         )
         return Response(data)
diff --git a/src/sentry/seer/oneshot.py b/src/sentry/seer/oneshot.py
index 3d86fdfbe44b..565c19a01b12 100644
--- a/src/sentry/seer/oneshot.py
+++ b/src/sentry/seer/oneshot.py
@@ -21,7 +21,6 @@
 from sentry.seer.models.seer_api_models import SeerApiError
 from sentry.seer.signed_seer_api import (
     OneShotRunRequest,
-    SeerViewerContext,
     make_oneshot_request,
 )
 from sentry.utils import metrics
@@ -41,29 +40,21 @@ def call_seer_oneshot(
     *,
     error_metric: str,
     error_metric_tags: dict[str, Any] | None = None,
-    user_id: int | None = None,
     timeout: int | float | None = None,
 ) -> dict[str, Any]:
     """Dispatch a single synchronous Seer task and return its parsed JSON body.
 
-    This is the shared boilerplate behind the one-shot style Seer calls: it
-    builds viewer context from ``organization`` (plus an optional ``user_id``),
-    invokes ``make_request`` with the default timeout, and on a non-2xx response
+    Invokes ``make_request`` with the default timeout. On a non-2xx response
     increments ``error_metric`` (merging ``error_metric_tags`` with the response
     ``status``) before raising :class:`SeerApiError`. On success it returns the
     decoded JSON object; callers shape it into their own result contract.
 
-    Seer task endpoints require viewer context with an organization, so
-    ``organization`` is mandatory.
+    Viewer context is expected to be set via the contextvar by the calling
+    endpoint's middleware.
     """
-    viewer_context = SeerViewerContext(organization_id=organization.id)
-    if user_id is not None:
-        viewer_context["user_id"] = user_id
-
     response = make_request(
         body,
         timeout=timeout if timeout is not None else settings.SEER_DEFAULT_TIMEOUT,
-        viewer_context=viewer_context,
     )
 
     if response.status >= 400:
@@ -89,15 +80,13 @@ def run_oneshot(
     payload: dict[str, Any],
     organization: Organization,
     *,
-    user_id: int | None = None,
     timeout: int | float | None = None,
 ) -> dict[str, Any]:
     """Dispatch a one-shot to Seer and return its structured ``result``.
 
-    The one-shot endpoint requires viewer context with an organization, so
-    ``organization`` is mandatory. Raises :class:`SeerApiError` on a non-2xx
-    response; callers validate the returned dict against the one-shot's result
-    contract.
+    Viewer context is expected to be set via the contextvar by the calling
+    endpoint's middleware. Raises :class:`SeerApiError` on a non-2xx response;
+    callers validate the returned dict against the one-shot's result contract.
     """
     body = OneShotRunRequest(oneshot_id=oneshot_id, payload=payload)
     data = call_seer_oneshot(
@@ -106,7 +95,6 @@ def run_oneshot(
         organization,
         error_metric="seer.oneshot.error",
         error_metric_tags={},
-        user_id=user_id,
         timeout=timeout,
     )
     return data.get("result") or {}
diff --git a/src/sentry/seer/run_questions.py b/src/sentry/seer/run_questions.py
index d1f79abd5680..6d117699540d 100644
--- a/src/sentry/seer/run_questions.py
+++ b/src/sentry/seer/run_questions.py
@@ -104,7 +104,6 @@ def _get_answer(
     run_id: int,
     question: str,
     *,
-    user_id: int | None,
     timeout: int | float | None,
 ) -> str:
     """Return the cached answer for one question, or ask Seer and cache it.
@@ -123,7 +122,6 @@ def _get_answer(
             _ONESHOT_ID,
             {"run_id": run_id, "question": question},
             organization,
-            user_id=user_id,
             timeout=timeout,
         )
     except Exception:
@@ -145,7 +143,6 @@ def get_run_questions(
     organization: Organization,
     *,
     questions: Sequence[Question] = QUESTIONS,
-    user_id: int | None = None,
     timeout: int | float | None = None,
 ) -> dict[int, list[RunQuestion]]:
     """Answer ``questions`` about each run in ``run_ids``.
@@ -163,9 +160,7 @@ def get_run_questions(
     with ContextPropagatingThreadPoolExecutor(max_workers=_MAX_WORKERS) as executor:
         answers = list(
             executor.map(
-                lambda task: _get_answer(
-                    organization, task[0], task[1].question, user_id=user_id, timeout=timeout
-                ),
+                lambda task: _get_answer(organization, task[0], task[1].question, timeout=timeout),
                 tasks,
             )
         )
diff --git a/src/sentry/seer/signed_seer_api.py b/src/sentry/seer/signed_seer_api.py
index 1a24dc620642..4d50701bc6ec 100644
--- a/src/sentry/seer/signed_seer_api.py
+++ b/src/sentry/seer/signed_seer_api.py
@@ -142,7 +142,9 @@ def make_signed_seer_api_request(
     }
 
     resolved = _resolve_viewer_context(viewer_context)
-    observe_viewer_context_propagation("seer_rpc_out", ctx=resolved)
+    observe_viewer_context_propagation(
+        "seer_rpc_out", ctx=resolved, extra_attributes={"seer_path": path}
+    )
     if resolved:
         try:
             headers["X-Viewer-Context"] = encode_viewer_context(resolved)
@@ -580,7 +582,7 @@ def make_lightweight_rca_cluster_request(
 
 def make_supergroups_get_request(
     body: SupergroupsGetRequest,
-    viewer_context: SeerViewerContext,
+    viewer_context: SeerViewerContext | None = None,
     timeout: int | float | None = None,
 ) -> BaseHTTPResponse:
     return make_signed_seer_api_request(
@@ -594,7 +596,7 @@ def make_supergroups_get_request(
 
 def make_supergroups_get_by_group_ids_request(
     body: SupergroupsGetByGroupIdsRequest,
-    viewer_context: SeerViewerContext,
+    viewer_context: SeerViewerContext | None = None,
     timeout: int | float | None = None,
 ) -> BaseHTTPResponse:
     return make_signed_seer_api_request(
diff --git a/src/sentry/seer/supergroups/by_group.py b/src/sentry/seer/supergroups/by_group.py
index 2a41de9293f8..fbfedeb000a7 100644
--- a/src/sentry/seer/supergroups/by_group.py
+++ b/src/sentry/seer/supergroups/by_group.py
@@ -7,7 +7,6 @@
 from sentry.models.organization import Organization
 from sentry.seer.models import SeerApiError
 from sentry.seer.signed_seer_api import (
-    SeerViewerContext,
     SupergroupsByGroupIdsResponse,
     make_supergroups_get_by_group_ids_request,
 )
@@ -16,15 +15,12 @@
 def get_supergroups_by_group_ids(
     organization: Organization,
     group_ids: Sequence[int],
-    *,
-    user_id: int | None = None,
 ) -> SupergroupsByGroupIdsResponse:
     response = make_supergroups_get_by_group_ids_request(
         {
             "organization_id": organization.id,
             "group_ids": list(group_ids),
         },
-        SeerViewerContext(organization_id=organization.id, user_id=user_id),
         timeout=10,
     )
     if response.status >= 400:
diff --git a/src/sentry/seer/supergroups/endpoints/organization_supergroup_details.py b/src/sentry/seer/supergroups/endpoints/organization_supergroup_details.py
index 8c255036d676..c739474ac355 100644
--- a/src/sentry/seer/supergroups/endpoints/organization_supergroup_details.py
+++ b/src/sentry/seer/supergroups/endpoints/organization_supergroup_details.py
@@ -12,7 +12,7 @@
 from sentry.api.base import cell_silo_endpoint
 from sentry.api.bases.organization import OrganizationEndpoint, OrganizationPermission
 from sentry.models.organization import Organization
-from sentry.seer.signed_seer_api import SeerViewerContext, make_supergroups_get_request
+from sentry.seer.signed_seer_api import make_supergroups_get_request
 
 logger = logging.getLogger(__name__)
 
@@ -40,7 +40,6 @@ def get(self, request: Request, organization: Organization, supergroup_id: int)
                 "organization_id": organization.id,
                 "supergroup_id": supergroup_id,
             },
-            SeerViewerContext(organization_id=organization.id, user_id=request.user.id),
             timeout=10,
         )
 
diff --git a/src/sentry/seer/supergroups/endpoints/organization_supergroups_by_group.py b/src/sentry/seer/supergroups/endpoints/organization_supergroups_by_group.py
index 566bd5a5f4bd..8908c718062f 100644
--- a/src/sentry/seer/supergroups/endpoints/organization_supergroups_by_group.py
+++ b/src/sentry/seer/supergroups/endpoints/organization_supergroups_by_group.py
@@ -84,7 +84,7 @@ def get(self, request: Request, organization: Organization) -> Response:
             )
 
         try:
-            data = get_supergroups_by_group_ids(organization, group_ids, user_id=request.user.id)
+            data = get_supergroups_by_group_ids(organization, group_ids)
         except SeerApiError as exc:
             return Response({"detail": "Failed to fetch supergroups"}, status=exc.status)
 
diff --git a/src/sentry/viewer_context.py b/src/sentry/viewer_context.py
index f0071c5c9eb9..b46d6d68dc45 100644
--- a/src/sentry/viewer_context.py
+++ b/src/sentry/viewer_context.py
@@ -120,7 +120,7 @@ def observe_viewer_context_propagation(
 ) -> None:
     """Emit a ``viewer_context.observation`` counter for the current ViewerContext at *point*.
 
-    Tags: ``point``, ``actor_type``, ``has_user_id``, ``has_org_id``, ``expected``,
+    Tags: ``point``, ``actor_type``, ``has_user_id``, ``has_org_id``, ``has_project_id``, ``expected``,
     plus any *extra_attributes* the caller provides (e.g. ``method`` for RPC dispatch
     points where we want per-method breakdown). Callers are responsible for keeping
     extra-attribute cardinality bounded — values must come from a closed set.
@@ -143,10 +143,12 @@ def observe_viewer_context_propagation(
         actor_type = "none"
         has_user = False
         has_org = False
+        has_project = False
     else:
         actor_type = ctx.actor_type.value
         has_user = ctx.user_id is not None
         has_org = ctx.organization_id is not None
+        has_project = ctx.project_id is not None
 
     # Fixed tags layered on top of extras so callers can't accidentally swap
     # `point` / `actor_type` / etc. and corrupt the metric's cardinality story.
@@ -157,6 +159,7 @@ def observe_viewer_context_propagation(
             "actor_type": actor_type,
             "has_user_id": str(has_user).lower(),
             "has_org_id": str(has_org).lower(),
+            "has_project_id": str(has_project).lower(),
             "expected": str(expected).lower(),
         }
     )
diff --git a/tests/sentry/seer/agent/test_agent_client.py b/tests/sentry/seer/agent/test_agent_client.py
index 3af02b1f031f..aeb266451c44 100644
--- a/tests/sentry/seer/agent/test_agent_client.py
+++ b/tests/sentry/seer/agent/test_agent_client.py
@@ -555,9 +555,7 @@ def test_get_run_immediate(self, mock_fetch, mock_access):
 
         assert result.run_id == 123
         assert result.status == "processing"
-        mock_fetch.assert_called_once_with(
-            123, self.organization, viewer_context=client.viewer_context
-        )
+        mock_fetch.assert_called_once_with(123, self.organization)
 
     @patch("sentry.seer.agent.client.has_seer_access_with_detail")
     @patch("sentry.seer.agent.client.poll_until_done")
@@ -577,9 +575,7 @@ def test_get_run_with_blocking(self, mock_poll, mock_access):
 
         assert result.run_id == 123
         assert result.status == "completed"
-        mock_poll.assert_called_once_with(
-            123, self.organization, 1.0, 30.0, viewer_context=client.viewer_context
-        )
+        mock_poll.assert_called_once_with(123, self.organization, 1.0, 30.0)
 
     @patch("sentry.seer.agent.client.has_seer_access_with_detail")
     @patch("sentry.seer.agent.client.fetch_run_status")
@@ -1355,13 +1351,16 @@ def _outbox_for(self, run: SeerRun) -> CellOutbox | None:
     @patch("sentry.seer.agent.client.has_seer_access_with_detail", return_value=(True, None))
     @patch("sentry.receivers.outbox.cell.make_feature_run_request")
     def test_flush_false_enqueues_without_dispatch(self, mock_request, _mock_access) -> None:
-        client = SeerAgentClient(self.organization, self.user)
-        run = client.start_feature_run(
-            feature_id="night_shift",
-            payload={"candidates": [1, 2]},
-            title="Agentic triage (2 candidates)",
-            flush=False,
-        )
+        from sentry.viewer_context import ViewerContext, viewer_context_scope
+
+        with viewer_context_scope(ViewerContext(organization_id=self.organization.id)):
+            client = SeerAgentClient(self.organization, self.user)
+            run = client.start_feature_run(
+                feature_id="night_shift",
+                payload={"candidates": [1, 2]},
+                title="Agentic triage (2 candidates)",
+                flush=False,
+            )
 
         mock_request.assert_not_called()
         assert run.type == SeerRunType.FEATURE_RUN
diff --git a/tests/sentry/seer/endpoints/test_search_agent_start.py b/tests/sentry/seer/endpoints/test_search_agent_start.py
index ed2b13a6664a..b3057607c44d 100644
--- a/tests/sentry/seer/endpoints/test_search_agent_start.py
+++ b/tests/sentry/seer/endpoints/test_search_agent_start.py
@@ -5,7 +5,6 @@
 from sentry.seer.endpoints.search_agent_start import send_search_agent_start_request
 from sentry.seer.models import SeerApiError
 from sentry.seer.models.run import SeerRun, SeerRunMirrorStatus, SeerRunType
-from sentry.seer.signed_seer_api import SeerViewerContext
 from sentry.testutils.cases import TestCase
 
 
@@ -13,9 +12,6 @@ class SendSearchAgentStartRequestTest(TestCase):
     @patch("sentry.receivers.outbox.cell.make_search_agent_start_request")
     def test_outbox_path_creates_run_and_flushes(self, mock_request: Mock) -> None:
         mock_request.return_value = Mock(status=200, json=Mock(return_value={"run_id": 42}))
-        viewer_context = SeerViewerContext(
-            organization_id=self.organization.id, user_id=self.user.id
-        )
 
         result = send_search_agent_start_request(
             organization=self.organization,
@@ -23,7 +19,6 @@ def test_outbox_path_creates_run_and_flushes(self, mock_request: Mock) -> None:
             project_ids=[self.project.id],
             natural_language_query="errors today",
             strategy="Issues",
-            viewer_context=viewer_context,
         )
 
         assert isinstance(result, SeerRun)
@@ -36,25 +31,17 @@ def test_outbox_path_creates_run_and_flushes(self, mock_request: Mock) -> None:
         assert sent_body["natural_language_query"] == "errors today"
 
     def test_outbox_flush_error_raises(self) -> None:
-        viewer_context = SeerViewerContext(
-            organization_id=self.organization.id, user_id=self.user.id
-        )
-
         with pytest.raises(SeerApiError):
             send_search_agent_start_request(
                 organization=self.organization,
                 user_id=self.user.id,
                 project_ids=[self.project.id],
                 natural_language_query="errors today",
-                viewer_context=viewer_context,
             )
 
     @patch("sentry.receivers.outbox.cell.make_search_agent_start_request")
     def test_terminal_seer_failure_raises(self, mock_request: Mock) -> None:
         mock_request.return_value = Mock(status=400, json=Mock(return_value={}))
-        viewer_context = SeerViewerContext(
-            organization_id=self.organization.id, user_id=self.user.id
-        )
 
         with pytest.raises(SeerApiError):
             send_search_agent_start_request(
@@ -62,5 +49,4 @@ def test_terminal_seer_failure_raises(self, mock_request: Mock) -> None:
                 user_id=self.user.id,
                 project_ids=[self.project.id],
                 natural_language_query="errors today",
-                viewer_context=viewer_context,
             )