APIs.guru

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APIs.guru MCP — keyless directory of 2,500+ public APIs and their OpenAPI specs.

4 tools
0ms auth
free tier 50 calls/day

Tools

search_apis

Search the APIs.guru directory of 2,500+ public APIs by free-text query. Matches against the API's name/key, its title, description, and categories. Returns a list of matching APIs each with name (the

No parameters required.

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get_api

Get the full directory entry for one API by its exact APIs.guru name/key (e.g. "stripe.com" or "googleapis.com:calendar"). Returns every version of that API with its info (title, description, provider

No parameters required.

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list_providers

List all API providers (domains like "googleapis.com", "azure.com", "amazonaws.com") tracked in the APIs.guru directory. Returns { count, providers }. Use this to browse the directory by organization

No parameters required.

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get_metrics

Get aggregate statistics for the entire APIs.guru directory, e.g. total number of APIs, providers, endpoints, and specs (numAPIs, numEndpoints, numSpecs, ...). Use this for a high-level summary of how

No parameters required.

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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash 
curl -X POST https://gateway.pipeworx.io/apis-guru/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash 
curl -X POST https://gateway.pipeworx.io/apis-guru/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"search_apis","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript 
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("search_apis", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("apis");