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fix: hack tool call from claude-desktop. Claude is using prefix local #133

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merged 1 commit into from
Jun 4, 2025
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fix: hack tool call from claude-desktop. Claude is using prefix local #133

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13 changes: 12 additions & 1 deletion src/mcp/server.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -345,7 +345,8 @@ export class ActorsMcpServer {
* @throws {McpError} - based on the McpServer class code from the typescript MCP SDK
*/
this.server.setRequestHandler(CallToolRequestSchema, async (request) => {
const { name, arguments: args } = request.params;
// eslint-disable-next-line prefer-const
let { name, arguments: args } = request.params;
const apifyToken = (request.params.apifyToken || process.env.APIFY_TOKEN) as string;

// Remove apifyToken from request.params just in case
Expand All @@ -362,6 +363,16 @@ export class ActorsMcpServer {
);
}

// Claude is saving tool names with 'local__' prefix, name is local__apify-actors__compass-slash-crawler-google-places
// We are interested in the Actor name only, so we remove the 'local__apify-actors__' prefix
if (name.startsWith('local__')) {
// we split the name by '__' and take the last part, which is the actual Actor name
const parts = name.split('__');
log.info(`Tool name with prefix detected: ${name}, using last part: ${parts[parts.length - 1]}`);
if (parts.length > 1) {
name = parts[parts.length - 1];
}
}
// TODO - if connection is /mcp client will not receive notification on tool change
// Find tool by name or actor full name
const tool = Array.from(this.tools.values())
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