Gymnasium

Standard API and reference environments for single-agent reinforcement learning, the maintained successor to OpenAI Gym.

Connects to: Atari, MuJoCo · Python · MIT 12,057★

Use it with an AI agent

Loadbay is an MCP server, so an agent can search the catalog and find this harness:

claude mcp add --transport http loadbay https://loadbay.xyz/api/mcp

• Source: https://github.com/Farama-Foundation/Gymnasium
• This harness as JSON: /api/harnesses/gymnasium
• Agent setup: /setup.md
• Browse all 370+ harnesses on Loadbay