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GDB MCP Server

by yywz1999

A GDB MCP (Model Context Protocol) server that supports AI-assisted debugging. It allows AI agents and other tools to interact with GDB via the MCP protocol.

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What is GDB MCP Server?

The GDB MCP server is a tool that enables AI agents and other programs to interact with the GDB debugger using the Model Context Protocol (MCP). It facilitates automated debugging and analysis by providing a standardized interface to GDB's functionalities.

How to use GDB MCP Server?

To use the server, clone the repository, install the dependencies, and run the mcp_server.py script. Then, use the MCP protocol to interact with GDB through the server. The server provides functions for attaching to GDB processes, executing commands, setting breakpoints, examining memory, and more. The README provides examples for using it with Cursor.

Key features of GDB MCP Server

  • Discovers and attaches to existing GDB processes

  • Communicates with GDB through a terminal window (optimized for iTerm2 on macOS)

  • Supports MCP protocol for integration with AI assistants

  • Intelligently handles GDB command blocking by automatically sending interrupt signals

  • Supports multi-architecture, multi-host, and remote debugging scenarios

  • Provides simple function calls for common GDB debugging operations

Use cases of GDB MCP Server

  • AI-assisted debugging

  • Automated testing and analysis

  • Remote debugging

  • Multi-architecture debugging

FAQ from GDB MCP Server

How do I attach to an existing GDB process?

Use the sys_attach_to_gdb function with the process ID.

What terminal emulator is recommended on macOS?

iTerm2 is recommended for optimal support.

How does the server handle blocking GDB commands?

The server automatically detects potentially blocking commands and sends an interrupt signal.

What is the Model Context Protocol (MCP)?

MCP is a protocol that allows AI agents and other tools to interact with debuggers like GDB.

What do I do if I encounter window activation issues on macOS?

Try manually bringing the GDB window to the foreground.