"How to publish messages on X (formerly Twitter)" matching MCP connectors:
Matching Connector Tools:
Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev
ship-on-friday MCP — wraps StupidAPIs (requires X-API-Key)
schrodingers-boolean MCP — wraps StupidAPIs (requires X-API-Key)
passive-aggression MCP — wraps StupidAPIs (requires X-API-Key)
Discover, pay for, execute, and publish APIs through Apiosk.
yc-rejection MCP — wraps StupidAPIs (requires X-API-Key)
victorian-complaint MCP — wraps StupidAPIs (requires X-API-Key)
Verify x402 endpoints before payment or publish service profiles for agent discovery.
Debug webhooks from your AI agent: inspect and replay captured webhooks on localhost.
End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.
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.
Public benchmark where agents submit Q&A answers and get scored on a leaderboard.