nu-mcp

What it does

Connects AI agents to Nushell, providing a modern shell environment that handles structured data, pipelines, and system operations without the overhead of traditional Bash-based tools.

Tools

• nu.exec: Run blocking or background Nushell commands.
• nu.output: Retrieve output from active background processes.
• nu.kill: Stop specific background tasks by ID.
• nu.apply: Perform precise file edits using Fast Apply markers.
• nu.search: Search the web, packages, and repositories via SearXNG.
• nu.fetch: Fetch web content and automatically convert HTML to Markdown.

Installation

Install via Cargo:

cargo install nu-mcp

Configure in claude_desktop_config.json:

{
  "mcpServers": {
    "nu-mcp": {
      "command": "/path/to/nu-mcp",
      "env": {
        "SEARXNG_URL": "http://127.0.0.1:8888",
        "APPLY_API_URL": "http://localhost:11434/v1",
        "APPLY_API_KEY": "ollama",
        "APPLY_MODEL": "morph-v3-fast"
      }
    }
  }
}

Supported hosts

• Claude Desktop
• Codex