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mcp-log-proxy intercepts and displays messages between an MCP client and server via a web interface, primarily supporting STDIO interfaces for debugging and monitoring.
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mcp-log-proxy intercepts and displays messages between an MCP client and server via a web interface, primarily supporting STDIO interfaces for debugging and monitoring.
The mcp-log-proxy is relatively safe for monitoring MCP traffic, but it's crucial to secure the web interface and log files to prevent unauthorized access to sensitive information. Avoid exposing the web interface to the public internet without proper authentication.
Performance is limited by the network bandwidth and the processing power of the machine running the proxy. High traffic volumes may impact performance.
The tool itself is free, but running it incurs resource costs (CPU, memory, disk space) on the host machine.
brew install emicklei/tap/mcp-log-proxymcp-log-proxyIntercepts and displays messages between an MCP client and server via a web interface.
Primarily read-only, monitoring network traffic.
None
hybrid
The mcp-log-proxy is relatively safe for monitoring MCP traffic, but it's crucial to secure the web interface and log files to prevent unauthorized access to sensitive information. Avoid exposing the web interface to the public internet without proper authentication.
The tool primarily observes traffic; autonomy is limited.
Production Tip
Ensure the log file is secured and rotated regularly to prevent disk space exhaustion and information leakage.
Currently, only the STDIO interface is supported.
The mcp-log-proxy does not provide built-in authentication. Consider using a reverse proxy with authentication enabled to protect the web interface.
The logs are stored in a file specified by the `-log` flag. If not specified, the logs are written to standard output.
You can run multiple instances of mcp-log-proxy, each with a different port specified by the `-port` flag. The web UI will allow you to switch between running proxies.
The mcp-log-proxy will detect whether a HTTP port is taken and choose a different port instead.
The current version does not support message filtering. All messages are displayed.
No, the mcp-log-proxy is designed for read-only monitoring of MCP traffic. It does not allow modification of messages.