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MCPJam

Coding

Testing, debugging and evals for MCP servers

Open source
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What is MCPJam?

MCPJam helps developers test and debug MCP servers locally, trace OAuth flows and check behavior across different AI clients. It includes LLM-powered evals, a CLI, an SDK and CI/CD actions to catch regressions in pull requests. The project is open source and runs locally, with plans for teams and enterprises.

Key facts

Pricing
Open source
Category
Coding
Website
https://www.mcpjam.com/
Listing updated
Nov 11, 2026

MCPJam FAQ

What is MCPJam?

MCPJam helps developers test and debug MCP servers locally, trace OAuth flows and check behavior across different AI clients. It includes LLM-powered evals, a CLI, an SDK and CI/CD actions to catch regressions in pull requests. The project is open source and runs locally, with plans for teams and enterprises.

What does MCPJam cost?

MCPJam pricing is listed as Open source.

What are alternatives to MCPJam?

Coding alternatives to MCPJam include GitHub Copilot, Together AI, Baseten, Straion, Cursor and Pinecone.

Alternatives to MCPJam

GitHub CopilotThe premier AI pair programmer for software developers.$10 moTogether AIThe fastest cloud for fine-tuning open-source models.Usage-basedBasetenPlatform for AI model inference and trainingUsage-basedStraionManage rules and guardrails for AI coding agents.$49 moCursorAn AI-native code editor designed for pair programming.Free / $20 moPineconeA vector database for building high-performance AI applications.Free / Usage-based

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