mcp-log-proxyThis tool sits between your AI assistant and its server to capture every message they exchange. It displays all the conversations on a simple webpage so you can watch exactly what is being sent and ho

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Reviewed by Daniel Nikulshyn·Updated July 2026

Overview

mcp-log-proxy is a tool that captures and displays messages exchanged between an AI assistant and its server. It sits between the client and server to intercept communication, currently supporting the STDIO interface, and displays conversations on a simple webpage. This allows users to monitor exactly what is being sent and received. The tool can be installed via Homebrew or Go, and it requires one argument, '-command', which contains the full command line for starting the MCP server. Multiple proxies can run simultaneously, registering themselves in a JSON file, and can be switched between on the web page. The tool also supports optional flags for customizing the HTTP host, port, and web page title.

Key features

Message capture
Web interface
Multiple proxy support
Customizable host and port
Log file location override

Pricing

Model: Free
Category: MCP Servers
Rating: No reviews yet

Use cases

AI Assistant Debugging

Use mcp-log-proxy to intercept and monitor communication between an AI assistant and its server for debugging purposes

MCP Server Testing

Utilize mcp-log-proxy to capture and display messages exchanged between an MCP client and server during testing

Conversation Analysis

Employ mcp-log-proxy to analyze conversations between AI assistants and their servers for research or improvement purposes

Pros & Cons

Pros

Captures and displays messages between AI assistant and server
Supports STDIO interface
Simple web interface for monitoring conversations
Multiple proxies can run simultaneously
Optional flags for customization

Cons

Currently only supports STDIO interface
Requires command line setup
Limited to monitoring MCP client-server communication

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Q&A

What optional flags are available for customization?

Optional flags include host, port, title, and log, which can be used to customize the HTTP host, port, web page title, and log file location.

Asked by Anders Lindgren · Apr 10, 2026

How do I install mcp-log-proxy?

Mcp-log-proxy can be installed via Homebrew or Go.

Asked by Björn Karlsson · Jan 11, 2026

Can multiple proxies run simultaneously?

Yes, multiple proxies can run simultaneously and register themselves in a JSON file, allowing users to switch between them on the web page.

Asked by Youssef El-Sayed · Jan 11, 2026

What interfaces does mcp-log-proxy support?

Mcp-log-proxy currently supports the STDIO interface.

Asked by Vera Nováková · Dec 30, 2025

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