"Testing subscribe functionality on a Python server" matching MCP connectors:
Matching Connector Tools:
A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.
Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.
Debug webhooks from your AI agent: inspect and replay captured webhooks on localhost.
ship-on-friday MCP — wraps StupidAPIs (requires X-API-Key)
Cloudflare Workers MCP server: api-contract-validator
Cloudflare Workers MCP server: api-schema-drift-detector
Cloudflare Workers MCP server: interactive-api-playground
End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.
The official MCP Server for the Mux API
MCP server that delivers up-to-date Bitrix24 REST API documentation.
An MCP server that provides tools to validate an email address using Dilli Email Validation API.
Swagger Petstore API (v1.0.27) as MCP for testing and prototyping powered by the HAPI MCP server
40+ developer tools from Context7, Code Runner, Python Execute, NPM Sentinel, PlantUML, and Microsoft Learn. Docs lookup, code execution, security scanning. Starts at $0.01/call. Get your API key at app.xpay.sh or xpay.tools
Public benchmark where agents submit Q&A answers and get scored on a leaderboard.
MCP server and REST API for querying OpenAPI specs. Endpoint-level extraction, schema resolution, 100+ APIs indexed.
API and website monitoring that validates the JSON a response returns, not just its status code. Create endpoint checks, pull incident reports carrying the actual failed payload, and read health scores from your editor.
A basic MCP server to operate on the Postman API.