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Allows passing input as a query param like other options from the demo app #663

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Allows passing input as a query param like other options from the demo app #663

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19 changes: 13 additions & 6 deletions examples/basic-host/src/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -55,14 +55,17 @@ interface HostProps {
type ToolCallEntry = ToolCallInfo & { id: number };
let nextToolCallId = 0;

// Parse URL query params for debugging: ?server=name&tool=name&call=true&theme=hide
// Parse URL query params for debugging:
// ?server=name&tool=name&call=true&theme=hide
// &input={"question":"..."} (URL-encoded JSON to pre-fill tool arguments)
function getQueryParams() {
const params = new URLSearchParams(window.location.search);
return {
server: params.get("server"),
tool: params.get("tool"),
call: params.get("call") === "true",
hideThemeToggle: params.get("theme") === "hide",
input: params.get("input"),
};
}

Expand Down Expand Up @@ -123,6 +126,7 @@ function Host({ serversPromise }: HostProps) {
addToolCall={(info) => setToolCalls([...toolCalls, { ...info, id: nextToolCallId++ }])}
initialServer={queryParams.server}
initialTool={queryParams.tool}
initialInput={queryParams.input}
autoCall={queryParams.call}
/>
</>
Expand All @@ -136,12 +140,13 @@ interface CallToolPanelProps {
addToolCall: (info: ToolCallInfo) => void;
initialServer?: string | null;
initialTool?: string | null;
initialInput?: string | null;
autoCall?: boolean;
}
function CallToolPanel({ serversPromise, addToolCall, initialServer, initialTool, autoCall }: CallToolPanelProps) {
function CallToolPanel({ serversPromise, addToolCall, initialServer, initialTool, initialInput, autoCall }: CallToolPanelProps) {
const [selectedServer, setSelectedServer] = useState<ServerInfo | null>(null);
const [selectedTool, setSelectedTool] = useState("");
const [inputJson, setInputJson] = useState("{}");
const [inputJson, setInputJson] = useState(initialInput ?? "{}");
const [hasAutoCalledRef] = useState({ called: false });

// Filter out app-only tools, prioritize tools with UIs
Expand Down Expand Up @@ -174,8 +179,9 @@ function CallToolPanel({ serversPromise, addToolCall, initialServer, initialTool
: visibleTools[0]?.name ?? "";

setSelectedTool(targetTool);
// Set input JSON to tool defaults (if any)
setInputJson(getToolDefaults(server.tools.get(targetTool)));
if (!initialInput) {
setInputJson(getToolDefaults(server.tools.get(targetTool)));
}
};

const handleToolSelect = (toolName: string) => {
Expand All @@ -197,7 +203,8 @@ function CallToolPanel({ serversPromise, addToolCall, initialServer, initialTool
const url = new URL(window.location.href);
url.searchParams.set("server", server.name);
url.searchParams.set("tool", tool);
url.searchParams.set("call", "true"); // Auto-call on refresh
url.searchParams.set("call", "true");
url.searchParams.set("input", inputJson);
history.replaceState(null, "", url.toString());
};

Expand Down