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Mitsu

Mitsu is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Meet Mitsu, your chibi red-team operator. It has 535 GitHub stars, is released under the MIT license and runs locally with uvx mitsu.

github.com/ARCANGEL0/Mitsu (opens in a new tab)

Data as of from the GitHub API; description from the project's repository. Report an error

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Install Mitsu

Generated from the server's published package. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "mitsu": {
      "command": "uvx",
      "args": [
        "mitsu"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio mitsu -- uvx mitsu

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "mitsu": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mitsu"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "mitsu": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mitsu"
      ]
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

About Mitsu

An agentic pentest framework that can take an engagement from recon through post-exploitation on her own. Mitsu is an agentic framework client for authorized penetration-testing workflows. Given an in-scope target and objective, she can carry out reconnaissance, enumerate hosts and services, research vulnerabilities and exploits, validate findings, and continue into post-exploitation.

  • cybersecurity
  • ethical-hacking
  • llm
  • pentesting
  • python
  • agentic-workflow
  • ai
  • enumeration
  • hacking-tools
  • infosec

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FAQ

Mitsu FAQ

Still curious? Email info@appsgit.com.

How do I install the Mitsu MCP server?

Add the command uvx mitsu to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Mitsu free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is Mitsu actively maintained?

The most recent commit was on Oct 23, 2026. The latest release is v1.4.21, published Oct 24, 2026. appsgit only lists MCP servers with a commit in the last six months.