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Delve MCP

by dwisiswant0
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TypeScript
MIT License
18
  • Linux
  • Apple
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delve-mcp

MCP server for Delve debugger integration

This is a TypeScript-based MCP server that provides a complete interface to the Delve debugger for Go programs. It implements all major Delve commands and capabilities through MCP tools.

Features

Resources

  • List and access debug sessions via delve:// URIs
  • Each session has metadata about its type, target, and port
  • JSON representation for session details and state

Tools

Debug, trace, and analyze Go programs with:

  • Debug commands (debug, attach, exec, test)
  • Core dump analysis
  • Program tracing
  • Replay debugging with rr
  • DAP server support
  • Breakpoint management with conditions
  • Execution control (continue, step, next)
  • Variable inspection and evaluation
  • Backend selection (native, lldb, rr)
  • Logging configuration
  • Session management

Environment Setup

The server requires:

  • Go installed with Delve (go install github.com/go-delve/delve/cmd/dlv@latest)
  • For replay functionality: Mozilla rr (https://github.com/mozilla/rr)
  • Node.js and npm

Installation

To install Delve MCP server:

npm install @dwisiswant0/delve-mcp

Development

Install dependencies:

npm install

Build the server:

npm run build

For development with auto-rebuild:

npm run watch

Configuration

To use with Claude Desktop, add the server config:

  • On Linux: ~/.config/Claude/claude_desktop_config.json.
  • On MacOS: ~/Library/Application Support/Claude/claude_desktop_config.json.
  • On Windows: %APPDATA%/Claude/claude_desktop_config.json.
{ "mcpServers": { "delve-mcp": { "command": "/path/to/delve-mcp/build/index.js" } } }

Available Tools

Debug Commands

  • debug - Debug a Go package in current directory or specified package
  • attach - Attach to a running process by PID
  • exec - Execute and debug a precompiled binary
  • test - Debug tests in current package or specified package
  • core - Examine a core dump file with associated executable
  • dap - Start a Debug Adapter Protocol (DAP) server
  • replay - Replay an rr trace recording
  • trace - Trace program execution with function matching

Control Commands

  • setBreakpoint - Set a breakpoint with optional condition
  • removeBreakpoint - Remove an existing breakpoint
  • continue - Continue program execution
  • next - Step over to next line
  • step - Step into function call
  • stepout - Step out of current function
  • variables - List local variables in current scope
  • evaluate - Evaluate expression in current scope

Configuration Commands

  • version - Get Delve version information
  • setBackend - Configure debug backend (native, lldb, rr)
  • configureLogging - Configure debug logging components

Usage Examples

Starting a Debug Session

// Debug current package { name: "debug" } // Debug with specific package and build flags { name: "debug", arguments: { package: "./cmd/myapp", buildFlags: "-tags=integration" } }

Managing Breakpoints

// Set a breakpoint { name: "setBreakpoint", arguments: { sessionId: "abc123", file: "main.go", line: 42, condition: "count > 5" } }

Inspecting State

// List variables { name: "variables", arguments: { sessionId: "abc123" } } // Evaluate expression { name: "evaluate", arguments: { sessionId: "abc123", expr: "myVar.Field" } }

License

MIT.

Install Server
A
security – no known vulnerabilities
A
license - permissive license
A
quality - confirmed to work

How are these scores calculated?

hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

Tools

View all tools

Go プログラム用の Delve デバッガーへの完全なインターフェイスを提供する TypeScript ベースの MCP サーバー。自然言語コマンドを使用して Go コードのデバッグ、トレース、分析が可能になります。

  1. 特徴
    1. リソース
    2. ツール
    3. 環境設定
  2. インストール
    1. 発達
      1. 構成
    2. 利用可能なツール
      1. デバッグコマンド
      2. 制御コマンド
      3. 設定コマンド
    3. 使用例
      1. デバッグセッションの開始
      2. ブレークポイントの管理
      3. 検査状態
    4. ライセンス

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