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mcp-debug
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Advanced tools
mcp-debug
A debugging and development tool for MCP servers with hot-swapping, session recording, and automated playback testing
MCP Debug
A debugging and development tool for Model Context Protocol (MCP) servers.
Installation
# Run directly with uvx (recommended)
uvx mcp-debug --help
# Or install with pip
pip install mcp-debug
mcp-debug --help
Features
- Hot-Swap Development - Replace server binaries without disconnecting MCP clients
- Session Recording & Playback - Record JSON-RPC traffic for debugging and testing
- Development Proxy - Multi-server aggregation with tool prefixing
- Dynamic Server Management - Add/remove servers at runtime
Quick Start
# Start proxy with config
uvx mcp-debug --proxy --config config.yaml
# Record a session
uvx mcp-debug --proxy --config config.yaml --record session.jsonl
# Playback recorded requests
uvx mcp-debug --playback-client session.jsonl | ./your-mcp-server
Documentation
See the GitHub repository for full documentation.
License
MIT License
FAQs
A debugging and development tool for MCP servers with hot-swapping, session recording, and automated playback testing
We found that mcp-debug demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
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