arcade-mcp/libs/arcade-mcp-server
Eric Gustin b780e5b807
Fix stdio bugs (#608)
1. Updates `arcade configure claude --from-local` to create a valid json
config for claude desktop. NOTE: The `arcade configure` command needs
some re-work. It's fragile.
2. Fixes bug where stdio servers were sending logs to the wrong sink.
3. Disabled colorized logs for stdio.
4. Added missing dependency `httpx` for servers created with `arcade
new`

## Claude Desktop json configuration for stdio
Personally I like option 1 because the configuration looks the simplest
### Option 1:
Equivalent to `python server.py stdio`
```
{
  "globalShortcut": "Alt+Ctrl+Space",
  "mcpServers": {
    "my_server": {
      "command": "/path/to/my/mcp/server/directory/.venv/bin/python",
      "args": [
        "/path/to/my/mcp/server/directory/server.py",
        "stdio"
      ]
    }
  }
}
```
### Option 2:
Equivalent to `uv run server.py stdio`
```
{
  "mcpServers": {
    "my_server": {
      "command": "uv",
      "args": [
        "run",
        "--directory",
        "/path/to/my/mcp/server/directory",
        "python",
        "server.py",
        "stdio"
      ]
    }
  }
}
```
### Option 3:
Equivalent to `python -m arcade_mcp_server stdio --cwd ./`
```
{
  "mcpServers": {
    "my_server": {
      "command": "/path/to/my/mcp/server/directory/.venv/bin/python",
      "args": [
        "-m",
        "arcade_mcp_server",
        "stdio",
        "--cwd",
        "/path/to/my/mcp/server/directory"
      ]
    }
  }
}
```
2025-10-07 18:53:53 -07:00
..
arcade_mcp_server Fix stdio bugs (#608) 2025-10-07 18:53:53 -07:00
docs Update arcade-mcp-server docs (#597) 2025-10-02 17:16:38 -07:00
Makefile docs build commands for arcade-mcp (#587) 2025-09-26 15:30:52 -07:00
mkdocs.yml Update arcade-mcp-server docs (#597) 2025-10-02 17:16:38 -07:00
pyproject.toml Fix stdio bugs (#608) 2025-10-07 18:53:53 -07:00
README.md MCP Local (#563) 2025-09-25 15:28:15 -07:00

Arcade MCP Server

Arcade Logo

Arcade MCP (Model Context Protocol) Server enables AI assistants and development tools to interact with your Arcade tools through a standardized protocol. Build, deploy, and integrate MCP servers seamlessly across different AI platforms.

Features

  • 🚀 FastAPI-like Interface - Simple, intuitive API with MCPApp
  • 🔧 Tool Discovery - Automatic discovery of tools in your project
  • 🔌 Multiple Transports - Support for stdio and HTTP/SSE
  • 🤖 Multi-Client Support - Works with Claude, Cursor, and more
  • 📦 Package Integration - Load installed Arcade packages
  • 🔐 Built-in Security - Environment-based configuration and secrets
  • 🔄 Hot Reload - Development mode with automatic reloading
  • 📊 Production Ready - Deploy with Docker, systemd, PM2, or cloud platforms

Getting Started

Installation

pip install arcade-mcp-server

Create Your First Server

from arcade_mcp_server import MCPApp
from typing import Annotated

app = MCPApp(name="my-tools", version="1.0.0")

@app.tool
def greet(name: Annotated[str, "Name to greet"]) -> str:
    """Greet someone by name."""
    return f"Hello, {name}!"

if __name__ == "__main__":
    app.run()

Run Your Server

# For development
python my_tools.py

# For Claude Desktop
python -m arcade_mcp_server stdio

# For HTTP clients
python -m arcade_mcp_server --host 0.0.0.0 --port 8080

Community

License

Arcade MCP Server is open source software licensed under the MIT license.