Skillget

claude-code-emacs

mcp
Guvenlik Denetimi
Basarisiz
Health Gecti
  • License — License: GPL-3.0
  • Description — Repository has a description
  • Active repo — Last push 0 days ago
  • Community trust — 62 GitHub stars
Code Basarisiz
  • rm -rf — Recursive force deletion command in mcp-server/package.json
Permissions Gecti
  • Permissions — No dangerous permissions requested
Purpose
This package provides seamless integration for running AI-powered Claude Code sessions directly within the Emacs text editor, utilizing a Model Context Protocol (MCP) server for deep environment interaction.

Security Assessment
Risk Rating: Medium.
The tool inherently executes shell commands to run its underlying Node.js server and the Claude Code CLI. Through its MCP integration, it is designed to interact deeply with your system, accessing sensitive data like open text buffers, reading files, and capturing LSP diagnostics. It also features the ability to apply patches and view git changes. The automated code scan flagged a `rm -rf` (recursive force deletion) command inside the `package.json` file, which is a common build cleanup step but warrants caution if modified. No hardcoded secrets or explicitly dangerous permission requests were found.

Quality Assessment
The project is actively maintained, with its most recent code push occurring today. It is legally cleared for use under the GPL-3.0 license. The tool demonstrates solid community trust and interest, having accumulated 62 GitHub stars. Additionally, the presence of automated CI testing indicates a reliable development standard.

Verdict
Use with caution. While it is a well-maintained and officially licensed project, the deep system access required for its features and the presence of a recursive deletion script in the build process mean you should review the code before executing it on sensitive projects.
SUMMARY

This package provides seamless integration with Claude Code, allowing you to run AI-powered coding sessions directly in your Emacs environment.

README.md

Claude Code Emacs

CI Tests

Run Claude Code AI coding sessions directly in Emacs with powerful MCP integration.

Quick Start

;; Add to your init.el
(add-to-list 'load-path "/path/to/claude-code")
(require 'claude-code)
(global-set-key (kbd "C-c c") 'claude-code-transient)

# Install MCP server globally
npm install -g claude-code-mcp-server

# Configure Claude Code to use MCP
claude mcp add-json emacs '{
  "type": "stdio",
  "command": "claude-code-mcp"
}'

Now run M-x claude-code-run to start a session!

Key Features

🚀 Core Features

  • Project-isolated sessions - Each project gets its own Claude Code buffer
  • Smart file completion - Type @ in prompts to reference project files
  • Transient menus - Press C-c c for the main menu with all commands
  • Custom commands - Define reusable commands in .claude/commands/*.md
  • Project prompts - .claude-code.prompt.md file per project for persistent context

🔌 MCP Integration

Claude Code can directly interact with your Emacs environment:

  • Buffer operations - List/read open buffers, get selected text
  • LSP integration - Get diagnostics, find definitions/references, describe symbols
  • Diff tools - Compare files, view git changes, apply patches
  • Real-time events - Buffer changes and diagnostics sent to Claude Code automatically

⌨️ Key Bindings

Global

Key Action
C-c c Open main transient menu
C-u M-x claude-code-run Start with options (model, resume, etc.)

In Claude Code Session (vterm mode)

Key Action
C-c C-q Close Claude Code window
C-c C-k Send Escape key
C-c C-o Send Ctrl+O (toggle expand)
C-c C-e Send Ctrl+E (toggle expand more)
C-c C-d Send Ctrl+T (toggle TODO display)
C-c C-n Send Tab (toggle thinking mode)
C-c RET Send Return key
C-c TAB Send Shift+Tab (toggle auto-accept)
C-c C-t Open transient menu

In Prompt Buffer

Key Action
C-c C-s Send section at point
C-c C-r Send selected region
C-c C-o Open Claude Code session
C-c C-t Open prompt transient menu
@ File completion

In Transient Menu (C-c c)

Key Action
1/y Send 1 (yes)
2 Send 2
3 Send 3
k Send Escape
e Send Ctrl+E (toggle expand more)
o Send Ctrl+O (toggle expand)
t Send Ctrl+T (toggle TODO display)
h Send Tab (toggle thinking mode)
g Git & GitHub menu
/ Slash commands menu

Common Workflows

Project Prompts

Each project gets a .claude-code.prompt.md file at the project root. When you open this file, it automatically positions at the end for quick prompt entry:

# Claude Code Prompts for my-project

This file contains prompts for Claude Code sessions.

## Example Prompts

Fix the bug in @src/utils.js where the parser fails on empty strings

---

Add unit tests for @src/api/auth.js

Open with M-x claude-code-open-prompt-file or p in transient menu.

Fix LSP Errors

M-x claude-code-fix-diagnostic
;; or press 'f' in transient menu

Custom Commands

Create .claude/commands/refactor.md:

Refactor the following code: $ARGUMENTS

Execute with x in transient menu → select "refactor"

Git Operations

Press g in main menu for git commands:

  • g - commit
  • p - push
  • r - review changes
  • c - PR comments

Requirements

  • Emacs 28.1+
  • Claude Code CLI installed
  • Node.js 16+ (for MCP)
  • Required packages: projectile, vterm, transient, markdown-mode
  • Optional packages:
    • lsp-mode (9.0.0+): For LSP diagnostic fixing and MCP tools integration
    • websocket (1.15+): For MCP server WebSocket communication
    • alert: For desktop notifications

Installation Details

MCP Server Installation

Option 1: Global Installation (Recommended)

# Install globally from npm
npm install -g claude-code-mcp-server

# Configure Claude Code
claude mcp add-json emacs '{
  "type": "stdio",
  "command": "claude-code-mcp"
}'

Option 2: Using npx (No Installation Required)

# Configure Claude Code to use npx
# npx will download and run the package on demand
claude mcp add-json emacs '{
  "type": "stdio",
  "command": "npx",
  "args": ["claude-code-mcp-server"]
}'

Option 3: Build from Source

# If you cloned the repository
cd /path/to/claude-code/mcp-server
npm install
npm run build

# Configure Claude Code
claude mcp add-json emacs '{
  "type": "stdio",
  "command": "node",
  "args": ["/path/to/claude-code/mcp-server/dist/index.js"]
}'

See docs/MCP-SETUP.md for detailed MCP configuration.

Architecture

  • Modular design - Separate modules for buffer management, commands, UI, MCP
  • Per-project WebSocket - Each project maintains its own MCP connection
  • Automatic reconnection - MCP connection health monitoring with ping/pong
  • Event batching - Efficient real-time notifications with debouncing

Contributing

  1. Fork the repository
  2. Create a feature branch
  3. Add tests for new functionality
  4. Run make test to ensure all tests pass
  5. Submit a pull request

Development Commands

# Compile with all dependencies (including optional ones)
make compile

# Compile without optional dependencies (websocket, lsp-mode)
# Useful for testing MELPA compatibility
make compile-minimal

# Run tests
make test

# Run package-lint
make lint

Release Process

Releases are automated using GitHub Actions:

Creating a New Release

Option 1: Using GitHub CLI (Recommended)

# Create a draft release
./scripts/create-release.sh 0.2.0

# Or create and publish immediately
./scripts/create-release.sh 0.2.0 --publish

Option 2: Using GitHub Actions

  1. Go to Actions → Create Release Draft → Run workflow
  2. Enter version number (e.g., 0.2.0)

Final Steps

  1. Review the auto-generated release notes

  2. Edit if needed

  3. Click "Publish release" (if using draft)

  4. Automated Steps (After publishing):

    • Git tag is created automatically
    • Version numbers are updated in:
      • claude-code.el
      • mcp-server/package.json
    • MCP server is published to npm
    • MELPA recipe is generated

Manual Version Update

For local version updates:

./scripts/update-version.sh 0.2.0

License

GPL-3.0-or-later

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