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Merged
wch merged 10 commits into from
Aug 26, 2026
Merged

Add built-in Posit Connect provider #81

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0d02975
Honor baseUrl on Bedrock's Anthropic and Converse routes
ssinnott Aug 19, 2026
df92ae1
Add built-in Posit Connect provider
ssinnott Aug 24, 2026
7cb490b
Rename Connect env var to POSIT_CONNECT_URL and map CONNECT_API_KEY
ssinnott Aug 24, 2026
ebb4b42
Name Connect Bedrock models and stop over-reporting image support
ssinnott Aug 24, 2026
b8b8ec9
Warn on FIPS baseUrl override and thread customHeaders in BedrockClient
ssinnott Aug 24, 2026
df17f3a
Route Connect chats statelessly from stamped gateway URLs
ssinnott Aug 24, 2026
d33b4e7
Filter reserved headers and fail closed on Bedrock FIPS overrides
ssinnott Aug 24, 2026
b2c1413
Let model fetchers cache by a credential-derived key
ssinnott Aug 24, 2026
c7001d6
Scope Connect's integration cache to the calling credentials
ssinnott Aug 24, 2026
e2d35d8
Bound credential-partitioned provider caches
ssinnott Aug 25, 2026
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17 changes: 3 additions & 14 deletions package-lock.json
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230 changes: 230 additions & 0 deletions packages/ai-config/providers.schema.json
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Original file line number Diff line number Diff line change
Expand Up @@ -482,6 +482,236 @@
},
"type": "object"
},
"connect": {
"additionalProperties": false,
"properties": {
"baseUrl": {
"type": "string"
},
"customHeaders": {
"additionalProperties": {
"type": "string"
},
"propertyNames": {
"type": "string"
},
"type": "object"
},
"enabled": {
"type": "boolean"
},
"endpoint": {
"type": "string"
},
"endpoints": {
"additionalProperties": {
"type": "string"
},
"propertyNames": {
"enum": [
"anthropic-messages",
"openai-chat",
"openai-responses",
"mlflow-responses",
"bedrock-converse",
"google-generative"
],
"type": "string"
},
"type": "object"
},
"models": {
"additionalProperties": false,
"properties": {
"allow": {
"items": {
"type": "string"
},
"type": "array"
},
"custom": {
"items": {
"additionalProperties": false,
"properties": {
"baseUrl": {
"type": "string"
},
"family": {
"type": "string"
},
"id": {
"minLength": 1,
"type": "string"
},
"maxContextLength": {
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"maxInputTokens": {
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"maxOutputTokens": {
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"name": {
"minLength": 1,
"type": "string"
},
"protocol": {
"enum": [
"anthropic-messages",
"openai-chat",
"openai-responses",
"mlflow-responses",
"bedrock-converse",
"google-generative"
],
"type": "string"
},
"supportedInputMediaTypes": {
"items": {
"type": "string"
},
"type": "array"
},
"supportsImages": {
"type": "boolean"
},
"supportsToolResultImages": {
"type": "boolean"
},
"supportsTools": {
"type": "boolean"
},
"supportsWebSearch": {
"type": "boolean"
},
"thinkingEffortLevels": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"id",
"name",
"maxContextLength",
"supportsTools",
"supportsImages",
"supportsToolResultImages",
"supportsWebSearch"
],
"type": "object"
},
"type": "array"
},
"deny": {
"items": {
"type": "string"
},
"type": "array"
},
"discovery": {
"enum": [
"auto",
"off"
],
"type": "string"
},
"overrides": {
"additionalProperties": {
"additionalProperties": false,
"properties": {
"baseUrl": {
"type": "string"
},
"family": {
"type": "string"
},
"maxContextLength": {
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"maxInputTokens": {
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"maxOutputTokens": {
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"name": {
"type": "string"
},
"protocol": {
"enum": [
"anthropic-messages",
"openai-chat",
"openai-responses",
"mlflow-responses",
"bedrock-converse",
"google-generative"
],
"type": "string"
},
"supportedInputMediaTypes": {
"items": {
"type": "string"
},
"type": "array"
},
"supportsImages": {
"type": "boolean"
},
"supportsToolResultImages": {
"type": "boolean"
},
"supportsTools": {
"type": "boolean"
},
"supportsWebSearch": {
"type": "boolean"
},
"thinkingEffortLevels": {
"items": {
"type": "string"
},
"type": "array"
}
},
"type": "object"
},
"propertyNames": {
"type": "string"
},
"type": "object"
}
},
"type": "object"
},
"protocol": {
"enum": [
"anthropic-messages",
"openai-chat",
"openai-responses",
"mlflow-responses",
"bedrock-converse",
"google-generative"
],
"type": "string"
}
},
"type": "object"
},
"copilot": {
"additionalProperties": false,
"properties": {
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1 change: 1 addition & 0 deletions packages/ai-config/src/build-catalog.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,7 @@ const BUILTIN_CLIENT_KIND = {
databricks: "databricks",
litellm: "litellm",
portkey: "portkey",
connect: "connect",
} as const satisfies Record<BuiltinProviderId, ClientKind>;

/**
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3 changes: 3 additions & 0 deletions packages/ai-config/src/connection-env.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,9 @@ const CONNECTION_ENV_MAPPINGS: Partial<Record<BuiltinProviderId, ConnectionEnvMa
// mode, which determines what the stored key *is* — see base-url.ts's
// PORTKEY_HOSTED_BASE_URL and the bridge's resolvePortkeyConnection.
portkey: { baseUrl: "PORTKEY_BASE_URL" },
// The Connect server root URL (NOT a gateway route); integration discovery
// and the per-integration gateway routes are both derived from it.
connect: { baseUrl: "POSIT_CONNECT_URL" },
};

// ---------------------------------------------------------------------------
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6 changes: 6 additions & 0 deletions packages/ai-config/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,12 @@ export type {
// --- Model capability inference ---------------------------------------------
export { getAnthropicModelCapabilities } from "./model-capabilities/anthropic-helpers.js";
export { getBedrockMantleModelCapabilities } from "./model-capabilities/bedrock-mantle-helpers.js";
export {
CONNECT_BEDROCK_MODEL_IDS,
CONNECT_BEDROCK_MODELS,
getConnectBedrockModelCapabilities,
} from "./model-capabilities/connect-helpers.js";
export type { ConnectBedrockModelCapabilities } from "./model-capabilities/connect-helpers.js";
export { getDeepSeekModelCapabilities } from "./model-capabilities/deepseek-helpers.js";
export { inferDatabricksModelProfile } from "./model-capabilities/databricks-helpers.js";
export type {
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46 changes: 46 additions & 0 deletions packages/ai-config/src/model-capabilities/__tests__/connect-helpers.test.ts
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@@ -0,0 +1,46 @@
/*---------------------------------------------------------------------------------------------
* Copyright (C) 2026 Posit Software, PBC. All rights reserved.
*--------------------------------------------------------------------------------------------*/

import { describe, expect, it } from "vitest";

import { getAnthropicModelCapabilities } from "../anthropic-helpers.js";
import { getConnectBedrockModelCapabilities } from "../connect-helpers.js";

describe("getConnectBedrockModelCapabilities", () => {
it("borrows limits, family, and media types from the Anthropic-on-Bedrock table", () => {
const id = "us.anthropic.claude-sonnet-4-5-20250929-v1:0";
const claude = getAnthropicModelCapabilities(id)!;

const caps = getConnectBedrockModelCapabilities(id);

expect(caps.family).toBe(claude.family);
expect(caps.family).toBeDefined();
expect(caps.maxContextLength).toBe(claude.maxContextLength);
expect(caps.maxOutputTokens).toBe(claude.maxOutputTokens);
expect(caps.maxInputTokens).toBe(caps.maxContextLength - caps.maxOutputTokens);
expect(caps.supportedInputMediaTypes).toEqual(claude.supportedInputMediaTypes);
expect(caps).toMatchObject({
supportsTools: true,
supportsImages: true,
supportsToolResultImages: true,
supportsWebSearch: false,
});
});

it("falls back to conservative limits and image flags for an id the Anthropic table cannot answer", () => {
const caps = getConnectBedrockModelCapabilities("mistral.mistral-large-2407-v1:0");

expect(caps.family).toBeUndefined();
expect(caps.thinkingEffortLevels).toBeUndefined();
expect(caps.supportedInputMediaTypes).toBeUndefined();
expect(caps.maxContextLength).toBe(200_000);
expect(caps.maxOutputTokens).toBe(4_096);
expect(caps.maxInputTokens).toBe(caps.maxContextLength - caps.maxOutputTokens);
// Vision is not the norm across Bedrock chat models; over-reporting it
// produces hard API errors, so unknown ids must not claim image support.
expect(caps.supportsImages).toBe(false);
expect(caps.supportsToolResultImages).toBe(false);
expect(caps.supportsTools).toBe(true);
});
});
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