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mcp-toolbox

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Maintenance of a set of tools to enhance LLM through MCP protocols.

31 stars PythonOthers Updated Aug 4, 2026

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mcp-toolbox

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A comprehensive toolkit for enhancing LLM capabilities through the Model Context Protocol (MCP). This package provides a collection of tools that allow LLMs to interact with external services and APIs, extending their functionality beyond text generation.

  • GitHub repository:
  • (WIP)Documentation:

Features

> \*nix is our main target, but Windows should work too.

  • Command Line Execution: Execute any command line instruction through LLM
  • Figma Integration: Access Figma files, components, styles, and more
  • Extensible Architecture: Easily add new API integrations
  • MCP Protocol Support: Compatible with Claude Desktop and other MCP-enabled LLMs
  • Comprehensive Testing: Well-tested codebase with high test coverage

Installation

We recommend using uv to manage your environment.

bash
# Install uv
curl -LsSf https://astral.sh/uv/install.sh | sh  # For macOS/Linux
# or
powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"  # For Windows

Then you can use `uvx "mcp-toolbox@latest" stdio` as commands for running the MCP server for latest version. Audio and memory tools are not included in the default installation., you can include them by installing the `all` extra:

> [audio] for audio tools, [memory] for memory tools, [all] for all tools

bash
uvx "mcp-toolbox[all]@latest" stdio

Installing via Smithery

To install Toolbox for LLM Enhancement for Claude Desktop automatically via Smithery:

bash
npx -y @smithery/cli install @ai-zerolab/mcp-toolbox --client claude

Using pip

bash
pip install "mcp-toolbox[all]"

And you can use `mcp-toolbox stdio` as commands for running the MCP server.

Configuration

Environment Variables

The following environment variables can be configured:

  • `FIGMA_API_KEY`: API key for Figma integration
  • `TAVILY_API_KEY`: API key for Tavily integration
  • `DUCKDUCKGO_API_KEY`: API key for DuckDuckGo integration
  • `BFL_API_KEY`: API key for Flux image generation API

Memory Storage

Memory tools store data in the following locations:

  • macOS: `~/Documents/zerolab/mcp-toolbox/memory` (syncs across devices via iCloud)
  • Other platforms: `~/.zerolab/mcp-toolbox/memory`

Full Configuration

To use mcp-toolbox with Claude Desktop/Cline/Cursor/..., add the following to your configuration file:

json
{
  "mcpServers": {
    "zerolab-toolbox": {
      "command": "uvx",
      "args": ["--prerelease=allow", "mcp-toolbox@latest", "stdio"],
      "env": {
        "FIGMA_API_KEY": "your-figma-api-key",
        "TAVILY_API_KEY": "your-tavily-api-key",
        "DUCKDUCKGO_API_KEY": "your-duckduckgo-api-key",
        "BFL_API_KEY": "your-bfl-api-key"
      }
    }
  }
}

For full features:

json
{
  "mcpServers": {
    "zerolab-toolbox": {
      "command": "uvx",
      "args": [
        "--prerelease=allow",
        "--python=3.12",
        "mcp-toolbox[all]@latest",
        "stdio"
      ],
      "env": {
        "FIGMA_API_KEY": "your-figma-api-key",
        "TAVILY_API_KEY": "your-tavily-api-key",
        "DUCKDUCKGO_API_KEY": "your-duckduckgo-api-key",
        "BFL_API_KEY": "your-bfl-api-key"
      }
    }
  }
}

You can generate a debug configuration template using:

bash
uv run generate_config_template.py

Available Tools

Command Line Tools

ToolDescription
`execute_command`Execute a command line instruction

File Operations Tools

ToolDescription
`read_file_content`Read content from a file
`write_file_content`Write content to a file
`replace_in_file`Replace content in a file using regular expressions
`list_directory`List directory contents with detailed information

Figma Tools

ToolDescription
`figma_get_file`Get a Figma file by key
`figma_get_file_nodes`Get specific nodes from a Figma file
`figma_get_image`Get images for nodes in a Figma file
`figma_get_image_fills`Get URLs for images used in a Figma file
`figma_get_comments`Get comments on a Figma file
`figma_post_comment`Post a comment on a Figma file
`figma_delete_comment`Delete a comment from a Figma file
`figma_get_team_projects`Get projects for a team
`figma_get_project_files`Get files for a project
`figma_get_team_components`Get components for a team
`figma_get_file_components`Get components from a file
`figma_get_component`Get a component by key
`figma_get_team_component_sets`Get component sets for a team
`figma_get_team_styles`Get styles for a team
`figma_get_file_styles`Get styles from a file
`figma_get_style`Get a style by key

XiaoyuZhouFM Tools

ToolDescription
`xiaoyuzhoufm_download`Download a podcast episode from XiaoyuZhouFM with optional automatic m4a to mp3 conversion

Audio Tools

ToolDescription
`get_audio_length`Get the length of an audio file in seconds
`get_audio_text`Get transcribed text from a specific time range in an audio file

Memory Tools

ToolDescription
`think`Use the tool to think about something and append the thought to the log
`get_session_id`Get the current session ID
`remember`Store a memory (brief and detail) in the memory database
`recall`Query memories from the database with semantic search
`forget`Clear all memories in the memory database

Markitdown Tools

ToolDescription
`convert_file_to_markdown`Convert any file to Markdown using MarkItDown
`convert_url_to_markdown`Convert a URL to Markdown using MarkItDown

Web Tools

ToolDescription
`get_html`Get HTML content from a URL
`save_html`Save HTML from a URL to a file
`search_with_tavily`Search the web using Tavily (requires API key)
`search_with_duckduckgo`Search the web using DuckDuckGo (requires API key)

Flux Image Generation Tools

ToolDescription
`flux_generate_image`Generate an image using the Flux API and save it to a file

Usage Examples

Running the MCP Server

bash
# Run with stdio transport (default)
mcp-toolbox stdio

# Run with SSE transport
mcp-toolbox sse --host localhost --port 9871

Using with Claude Desktop

1. Configure Claude Desktop as shown in the Configuration section

1. Start Claude Desktop

1. Ask Claude to interact with Figma files:

    1. Ask Claude to execute command line instructions:

      1. Ask Claude to download podcasts from XiaoyuZhouFM:

        1. Ask Claude to work with audio files:

          1. Ask Claude to convert files or URLs to Markdown:

            1. Ask Claude to work with web content:

              1. Ask Claude to generate images with Flux:

                1. Ask Claude to use memory tools:

                  Development

                  Local Setup

                  Fork the repository and clone it to your local machine.

                  bash
                  # Install in development mode
                  make install
                  # Activate a virtual environment
                  source .venv/bin/activate  # For macOS/Linux
                  # or
                  .venv\Scripts\activate  # For Windows

                  Running Tests

                  bash
                  make test

                  Running Checks

                  bash
                  make check

                  Building Documentation

                  bash
                  make docs

                  Adding New Tools

                  To add a new API integration:

                  1. Update `config.py` with any required API keys

                  1. Create a new module in `mcp_toolbox/`

                  1. Implement your API client and tools

                  1. Add tests for your new functionality

                  1. Update the README.md with new environment variables and tools

                  See the development guide for more detailed instructions.

                  Contributing

                  Contributions are welcome! Please feel free to submit a Pull Request.

                  1. Fork the repository

                  1. Create a feature branch (`git checkout -b feature/amazing-feature`)

                  1. Commit your changes (`git commit -m 'Add some amazing feature'`)

                  1. Push to the branch (`git push origin feature/amazing-feature`)

                  1. Open a Pull Request

                  License

                  This project is licensed under the terms of the license included in the repository.

                  Frequently asked questions

                  What is mcp-toolbox?

                  mcp-toolbox is Maintenance of a set of tools to enhance LLM through MCP protocols.

                  How do I install mcp-toolbox?

                  Open the GitHub repository and follow its README. Most MCP servers are added to your client's MCP config, then called by your agent.

                  Is mcp-toolbox open source?

                  Yes — it is hosted on GitHub at https://github.com/ai-zerolab/mcp-toolbox and has 31 stars.

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