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Claude Desktop Commander MCP

by wonderwhy-er
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MIT License
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Desktop Commander MCP

Search, update, manage files and run terminal commands with AI

Work with code and text, run processes, and automate tasks, going far beyond other AI editors - without API token costs.

Desktop Commander MCP

Table of Contents

All of your AI development tools in one place. Desktop Commander puts all dev tools in one chat. Execute long-running terminal commands on your computer and manage processes through Model Context Protocol (MCP). Built on top of MCP Filesystem Server to provide additional search and replace file editing capabilities.

Features

  • Execute terminal commands with output streaming
  • Command timeout and background execution support
  • Process management (list and kill processes)
  • Session management for long-running commands
  • Server configuration management:
    • Get/set configuration values
    • Update multiple settings at once
    • Dynamic configuration changes without server restart
  • Full filesystem operations:
    • Read/write files
    • Create/list directories
    • Move files/directories
    • Search files
    • Get file metadata
  • Code editing capabilities:
    • Surgical text replacements for small changes
    • Full file rewrites for major changes
    • Multiple file support
    • Pattern-based replacements
    • vscode-ripgrep based recursive code or text search in folders
  • Comprehensive audit logging:
    • All tool calls are automatically logged
    • Log rotation with 10MB size limit
    • Detailed timestamps and arguments

Installation

First, ensure you've downloaded and installed the Claude Desktop app and you have npm installed.

Option 1: Install through npx

Just run this in terminal:

npx @wonderwhy-er/desktop-commander@latest setup

For debugging mode (allows Node.js inspector connection):

npx @wonderwhy-er/desktop-commander@latest setup --debug

Restart Claude if running.

Option 2: Using bash script installer (macOS)

For macOS users, you can use our automated bash installer which will check your Node.js version, install it if needed, and automatically configure Desktop Commander:

curl -fsSL https://raw.githubusercontent.com/wonderwhy-er/DesktopCommanderMCP/refs/heads/main/install.sh | bash

This script handles all dependencies and configuration automatically for a seamless setup experience.

Option 3: Installing via Smithery

To install Desktop Commander for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @wonderwhy-er/desktop-commander --client claude

Option 4: Add to claude_desktop_config manually

Add this entry to your claude_desktop_config.json:

  • On Mac: ~/Library/Application\ Support/Claude/claude_desktop_config.json
  • On Windows: %APPDATA%\Claude\claude_desktop_config.json
  • On Linux: ~/.config/Claude/claude_desktop_config.json
{ "mcpServers": { "desktop-commander": { "command": "npx", "args": [ "-y", "@wonderwhy-er/desktop-commander" ] } } }

Restart Claude if running.

Option 5: Checkout locally

  1. Clone and build:
git clone https://github.com/wonderwhy-er/DesktopCommanderMCP.git cd DesktopCommanderMCP npm run setup

Restart Claude if running.

The setup command will:

  • Install dependencies
  • Build the server
  • Configure Claude's desktop app
  • Add MCP servers to Claude's config if needed

Updating Desktop Commander

When installed through npx (Option 1) or Smithery (Option 3), Desktop Commander will automatically update to the latest version whenever you restart Claude. No manual update process is needed.

For manual installations, you can update by running the setup command again.

Usage

The server provides a comprehensive set of tools organized into several categories:

Available Tools

CategoryToolDescription
Configurationget_configGet the complete server configuration as JSON (includes blockedCommands, defaultShell, allowedDirectories, fileReadLineLimit, fileWriteLineLimit, telemetryEnabled)
set_config_valueSet a specific configuration value by key. Available settings: • blockedCommands: Array of shell commands that cannot be executed• defaultShell: Shell to use for commands (e.g., bash, zsh, powershell)• allowedDirectories: Array of filesystem paths the server can access for file operations (⚠️ terminal commands can still access files outside these directories)• fileReadLineLimit: Maximum lines to read at once (default: 1000)• fileWriteLineLimit: Maximum lines to write at once (default: 50)• telemetryEnabled: Enable/disable telemetry (boolean)
Terminalexecute_commandExecute a terminal command with configurable timeout and shell selection
read_outputRead new output from a running terminal session
force_terminateForce terminate a running terminal session
list_sessionsList all active terminal sessions
list_processesList all running processes with detailed information
kill_processTerminate a running process by PID
Filesystemread_fileRead contents from local filesystem or URLs with line-based pagination (supports offset and length parameters)
read_multiple_filesRead multiple files simultaneously
write_fileWrite file contents with options for rewrite or append mode (uses configurable line limits)
create_directoryCreate a new directory or ensure it exists
list_directoryGet detailed listing of files and directories
move_fileMove or rename files and directories
search_filesFind files by name using case-insensitive substring matching
search_codeSearch for text/code patterns within file contents using ripgrep
get_file_infoRetrieve detailed metadata about a file or directory
Text Editingedit_blockApply targeted text replacements with enhanced prompting for smaller edits (includes character-level diff feedback)

Tool Usage Examples

Search/Replace Block Format:

filepath.ext <<<<<<< SEARCH content to find ======= new content >>>>>>> REPLACE

Example:

src/main.js <<<<<<< SEARCH console.log("old message"); ======= console.log("new message"); >>>>>>> REPLACE

Enhanced Edit Block Features

The edit_block tool includes several enhancements for better reliability:

  1. Improved Prompting: Tool descriptions now emphasize making multiple small, focused edits rather than one large change
  2. Fuzzy Search Fallback: When exact matches fail, it performs fuzzy search and provides detailed feedback
  3. Character-level Diffs: Shows exactly what's different using {-removed-}{+added+} format
  4. Multiple Occurrence Support: Can replace multiple instances with expected_replacements parameter
  5. Comprehensive Logging: All fuzzy searches are logged for analysis and debugging

When a search fails, you'll see detailed information about the closest match found, including similarity percentage, execution time, and character differences. All these details are automatically logged for later analysis using the fuzzy search log tools.

URL Support

  • read_file can now fetch content from both local files and URLs
  • Example: read_file with isUrl: true parameter to read from web resources
  • Handles both text and image content from remote sources
  • Images (local or from URLs) are displayed visually in Claude's interface, not as text
  • Claude can see and analyze the actual image content
  • Default 30-second timeout for URL requests

Fuzzy Search Log Analysis (npm scripts)

The fuzzy search logging system includes convenient npm scripts for analyzing logs outside of the MCP environment:

# View recent fuzzy search logs npm run logs:view -- --count 20 # Analyze patterns and performance npm run logs:analyze -- --threshold 0.8 # Export logs to CSV or JSON npm run logs:export -- --format json --output analysis.json # Clear all logs (with confirmation) npm run logs:clear

For detailed documentation on these scripts, see scripts/README.md.

Fuzzy Search Logs

Desktop Commander includes comprehensive logging for fuzzy search operations in the edit_block tool. When an exact match isn't found, the system performs a fuzzy search and logs detailed information for analysis.

What Gets Logged

Every fuzzy search operation logs:

  • Search and found text: The text you're looking for vs. what was found
  • Similarity score: How close the match is (0-100%)
  • Execution time: How long the search took
  • Character differences: Detailed diff showing exactly what's different
  • File metadata: Extension, search/found text lengths
  • Character codes: Specific character codes causing differences

Log Location

Logs are automatically saved to:

  • macOS/Linux: ~/.claude-server-commander-logs/fuzzy-search.log
  • Windows: %USERPROFILE%\.claude-server-commander-logs\fuzzy-search.log

What You'll Learn

The fuzzy search logs help you understand:

  1. Why exact matches fail: Common issues like whitespace differences, line endings, or character encoding
  2. Performance patterns: How search complexity affects execution time
  3. File type issues: Which file extensions commonly have matching problems
  4. Character encoding problems: Specific character codes that cause diffs

Audit Logging

Desktop Commander now includes comprehensive logging for all tool calls:

What Gets Logged

  • Every tool call is logged with timestamp, tool name, and arguments (sanitized for privacy)
  • Logs are rotated automatically when they reach 10MB in size

Log Location

Logs are saved to:

  • macOS/Linux: ~/.claude-server-commander/claude_tool_call.log
  • Windows: %USERPROFILE%\.claude-server-commander\claude_tool_call.log

This audit trail helps with debugging, security monitoring, and understanding how Claude is interacting with your system.

Handling Long-Running Commands

For commands that may take a while:

Configuration Management

⚠️ Important Security Warnings

  1. Always change configuration in a separate chat window from where you're doing your actual work. Claude may sometimes attempt to modify configuration settings (like allowedDirectories) if it encounters filesystem access restrictions.
  2. The allowedDirectories setting currently only restricts filesystem operations, not terminal commands. Terminal commands can still access files outside allowed directories. Full terminal sandboxing is on the roadmap.

Configuration Tools

You can manage server configuration using the provided tools:

// Get the entire config get_config({}) // Set a specific config value set_config_value({ "key": "defaultShell", "value": "/bin/zsh" }) // Set multiple config values using separate calls set_config_value({ "key": "defaultShell", "value": "/bin/bash" }) set_config_value({ "key": "allowedDirectories", "value": ["/Users/username/projects"] })

The configuration is saved to config.json in the server's working directory and persists between server restarts.

Best Practices

  1. Create a dedicated chat for configuration changes: Make all your config changes in one chat, then start a new chat for your actual work.
  2. Be careful with empty allowedDirectories: Setting this to an empty array ([]) grants access to your entire filesystem for file operations.
  3. Use specific paths: Instead of using broad paths like /, specify exact directories you want to access.
  4. Always verify configuration after changes: Use get_config({}) to confirm your changes were applied correctly.

Using Different Shells

You can specify which shell to use for command execution:

// Using default shell (bash or system default) execute_command({ "command": "echo $SHELL" }) // Using zsh specifically execute_command({ "command": "echo $SHELL", "shell": "/bin/zsh" }) // Using bash specifically execute_command({ "command": "echo $SHELL", "shell": "/bin/bash" })

This allows you to use shell-specific features or maintain consistent environments across commands.

  1. execute_command returns after timeout with initial output
  2. Command continues in background
  3. Use read_output with PID to get new output
  4. Use force_terminate to stop if needed

Debugging

If you need to debug the server, you can install it in debug mode:

# Using npx npx @wonderwhy-er/desktop-commander@latest setup --debug # Or if installed locally npm run setup:debug

This will:

  1. Configure Claude to use a separate "desktop-commander" server
  2. Enable Node.js inspector protocol with --inspect-brk=9229 flag
  3. Pause execution at the start until a debugger connects
  4. Enable additional debugging environment variables

To connect a debugger:

  • In Chrome, visit chrome://inspect and look for the Node.js instance
  • In VS Code, use the "Attach to Node Process" debug configuration
  • Other IDEs/tools may have similar "attach" options for Node.js debugging

Important debugging notes:

  • The server will pause on startup until a debugger connects (due to the --inspect-brk flag)
  • If you don't see activity during debugging, ensure you're connected to the correct Node.js process
  • Multiple Node processes may be running; connect to the one on port 9229
  • The debug server is identified as "desktop-commander-debug" in Claude's MCP server list

Troubleshooting:

  • If Claude times out while trying to use the debug server, your debugger might not be properly connected
  • When properly connected, the process will continue execution after hitting the first breakpoint
  • You can add additional breakpoints in your IDE once connected

Model Context Protocol Integration

This project extends the MCP Filesystem Server to enable:

  • Local server support in Claude Desktop
  • Full system command execution
  • Process management
  • File operations
  • Code editing with search/replace blocks

Created as part of exploring Claude MCPs: https://youtube.com/live/TlbjFDbl5Us

DONE

  • 20-05-2025 v0.1.40 Release - Added audit logging for all tool calls, improved line-based file operations, enhanced edit_block with better prompting for smaller edits, added explicit telemetry opt-out prompting
  • 05-05-2025 Fuzzy Search Logging - Added comprehensive logging system for fuzzy search operations with detailed analysis tools, character-level diffs, and performance metrics to help debug edit_block failures
  • 29-04-2025 Telemetry Opt Out through configuration - There is now setting to disable telemetry in config, ask in chat
  • 23-04-2025 Enhanced edit functionality - Improved format, added fuzzy search and multi-occurrence replacements, should fail less and use edit block more often
  • 16-04-2025 Better configurations - Improved settings for allowed paths, commands and shell environments
  • 14-04-2025 Windows environment fixes - Resolved issues specific to Windows platforms
  • 14-04-2025 Linux improvements - Enhanced compatibility with various Linux distributions
  • 12-04-2025 Better allowed directories and blocked commands - Improved security and path validation for file read/write and terminal command restrictions. Terminal still can access files ignoring allowed directories.
  • 11-04-2025 Shell configuration - Added ability to configure preferred shell for command execution
  • 07-04-2025 Added URL support - read_file command can now fetch content from URLs
  • 28-03-2025 Fixed "Watching /" JSON error - Implemented custom stdio transport to handle non-JSON messages and prevent server crashes
  • 25-03-2025 Better code search (merged) - Enhanced code exploration with context-aware results

Work in Progress/TODOs/Roadmap

The following features are currently being explored:

  • Support for WSL - Windows Subsystem for Linux integration
  • Support for SSH - Remote server command execution
  • Better file support for formats like CSV/PDF
  • Terminal sandboxing for Mac/Linux/Windows for better security
  • File reading modes - For example, allow reading HTML as plain text or markdown
  • Interactive shell support - ssh, node/python repl
  • Improve large file reading and writing

❤️ Support Desktop Commander

Supporters Hall of Fame

Generous supporters are featured here. Thank you for helping make this project possible!

Website

Visit our official website at https://desktopcommander.app/ for the latest information, documentation, and updates.

Media

Learn more about this project through these resources:

Article

Claude with MCPs replaced Cursor & Windsurf. How did that happen? - A detailed exploration of how Claude with Model Context Protocol capabilities is changing developer workflows.

Video

Claude Desktop Commander Video Tutorial - Watch how to set up and use the Commander effectively.

Publication at AnalyticsIndiaMag

Community

Join our Discord server to get help, share feedback, and connect with other users.

Testimonials

If you find this project useful, please consider giving it a ⭐ star on GitHub! This helps others discover the project and encourages further development.

We welcome contributions from the community! Whether you've found a bug, have a feature request, or want to contribute code, here's how you can help:

  • Found a bug? Open an issue at github.com/wonderwhy-er/DesktopCommanderMCP/issues
  • Have a feature idea? Submit a feature request in the issues section
  • Want to contribute code? Fork the repository, create a branch, and submit a pull request
  • Questions or discussions? Start a discussion in the GitHub Discussions tab

All contributions, big or small, are greatly appreciated!

If you find this tool valuable for your workflow, please consider supporting the project.

Frequently Asked Questions

Here are answers to some common questions. For a more comprehensive FAQ, see our detailed FAQ document.

What is Desktop Commander?

It's an MCP tool that enables Claude Desktop to access your file system and terminal, turning Claude into a versatile assistant for coding, automation, codebase exploration, and more.

How is this different from Cursor/Windsurf?

Unlike IDE-focused tools, Claude Desktop Commander provides a solution-centric approach that works with your entire OS, not just within a coding environment. Claude reads files in full rather than chunking them, can work across multiple projects simultaneously, and executes changes in one go rather than requiring constant review.

Do I need to pay for API credits?

No. This tool works with Claude Desktop's standard Pro subscription ($20/month), not with API calls, so you won't incur additional costs beyond the subscription fee.

Does Desktop Commander automatically update?

Yes, when installed through npx or Smithery, Desktop Commander automatically updates to the latest version when you restart Claude. No manual update process is needed.

What are the most common use cases?

  • Exploring and understanding complex codebases
  • Generating diagrams and documentation
  • Automating tasks across your system
  • Working with multiple projects simultaneously
  • Making surgical code changes with precise control

I'm having trouble installing or using the tool. Where can I get help?

Join our Discord server for community support, check the GitHub issues for known problems, or review the full FAQ for troubleshooting tips. You can also visit our website FAQ section for a more user-friendly experience. If you encounter a new issue, please consider opening a GitHub issue with details about your problem.

Data Collection & Privacy

Desktop Commander collects limited anonymous telemetry data to help improve the tool. No personal information, file contents, file paths, or command arguments are collected.

Telemetry is enabled by default. To opt out:

  1. Open the chat and simply ask: "Disable telemetry"
  2. The chatbot will update your settings automatically.

For complete details about data collection, please see our Privacy Policy.

License

MIT

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

local-only server

The server can only run on the client's local machine because it depends on local resources.

Tools

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Allows Claude desktop app to execute terminal commands and edit files on your computer through MCP, with features including command execution, process management, and diff-based file editing.

  1. Search, update, manage files and run terminal commands with AI
    1. Table of Contents
      1. Features
        1. Installation
          1. Option 1: Install through npx
          2. Option 2: Using bash script installer (macOS)
          3. Option 3: Installing via Smithery
          4. Option 4: Add to claude_desktop_config manually
          5. Option 5: Checkout locally
          6. Updating Desktop Commander
        2. Usage
          1. Available Tools
          2. Tool Usage Examples
          3. Enhanced Edit Block Features
          4. URL Support
        3. Fuzzy Search Log Analysis (npm scripts)
          1. Fuzzy Search Logs
            1. What Gets Logged
            2. Log Location
            3. What You'll Learn
          2. Audit Logging
            1. What Gets Logged
            2. Log Location
          3. Handling Long-Running Commands
            1. Configuration Management
              1. ⚠️ Important Security Warnings
              2. Configuration Tools
              3. Best Practices
            2. Using Different Shells
              1. Debugging
                1. Model Context Protocol Integration
                  1. DONE
                    1. Work in Progress/TODOs/Roadmap
                      1. ❤️ Support Desktop Commander
                        1. Supporters Hall of Fame
                      2. Website
                        1. Media
                          1. Article
                          2. Video
                          3. Publication at AnalyticsIndiaMag
                          4. Community
                        2. Testimonials
                          1. Frequently Asked Questions
                            1. What is Desktop Commander?
                            2. How is this different from Cursor/Windsurf?
                            3. Do I need to pay for API credits?
                            4. Does Desktop Commander automatically update?
                            5. What are the most common use cases?
                            6. I'm having trouble installing or using the tool. Where can I get help?
                          2. Data Collection & Privacy
                            1. License

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