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fix: load default Actors for the /mcp route #86

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Merged
merged 1 commit into from
Apr 20, 2025
Merged

fix: load default Actors for the /mcp route #86

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8 changes: 4 additions & 4 deletions package-lock.json
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2 changes: 1 addition & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@
],
"dependencies": {
"@apify/log": "^2.5.16",
"@modelcontextprotocol/sdk": "^1.10.0",
"@modelcontextprotocol/sdk": "^1.10.1",
"ajv": "^8.17.1",
"apify": "^3.4.0",
"apify-client": "^2.12.1",
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8 changes: 8 additions & 0 deletions src/actor/server.ts
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Expand Up @@ -121,6 +121,14 @@ export function createExpressApp(
sessionIdGenerator: () => randomUUID(),
enableJsonResponse: true, // Enable JSON response mode
});
// Load MCP server tools
// TODO using query parameters in POST request is not standard
const urlSearchParams = new URLSearchParams(req.url.split('?')[1]);
if (urlSearchParams.get('actors')) {
await mcpServer.loadToolsFromUrl(req.url, process.env.APIFY_TOKEN as string);
} else {
await mcpServer.loadDefaultTools(process.env.APIFY_TOKEN as string);
}

// Connect the transport to the MCP server BEFORE handling the request
await mcpServer.connect(transport);
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10 changes: 8 additions & 2 deletions src/mcp/server.ts
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Expand Up @@ -57,7 +57,10 @@ export class ActorsMcpServer {
public async loadDefaultTools(apifyToken: string) {
const missingDefaultTools = defaults.actors.filter((name) => !this.tools.has(actorNameToToolName(name)));
const tools = await getActorsAsTools(missingDefaultTools, apifyToken);
if (tools.length > 0) this.updateTools(tools);
if (tools.length > 0) {
log.info('Loading default tools...');
this.updateTools(tools);
}
}

/**
Expand All @@ -69,7 +72,10 @@ export class ActorsMcpServer {
*/
public async loadToolsFromUrl(url: string, apifyToken: string) {
const tools = await processParamsGetTools(url, apifyToken);
if (tools.length > 0) this.updateTools(tools);
if (tools.length > 0) {
log.info('Loading tools from query parameters...');
this.updateTools(tools);
}
}

/**
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