MCPJam
Test, debug and evaluate MCP servers across ChatGPT, Claude, Cursor and Copilot
Why it made the rally
Run the inspector locally with one npx command, replay a failure request by request and gate merges on evals in CI. The client, inspector, CLI, SDK and local evals are open source and free, and paid tiers add live client emulation and swarm testing with agent personas.
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Discussion
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Quiet so far. Say what you noticed and start the thread.