"OpenAI Gym" matching MCP connectors:

Swift AI: Access a wide range of AI models⚡, including OpenAI 🤖,DeepSeek 🔍, Claude 🧠, Gemini 🌟, and.

DDG Agent ServicesB

io.github.daedalusdevelopmentgroup

Pay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.

Connect any two AI agents and let them talk directly. Claude to Claude, Claude to OpenAI, or any MCP-compatible agent

Run a prompt through a LangChain (system + human) chain over Gemini on Vertex AI; optional LangSmith

A paid remote MCP for OpenAI Codex agent coordination MCP, built to return verdicts, receipts, usage