lcsa-mcp

MCP (Model Context Protocol) server for LCSA. Exposes local context signals to AI tools like Claude, Cursor, Windsurf, and others.

Installation

cargo install lcsa-mcp

Or build from source:

git clone https://github.com/pranay1610/LCSA
cd LCSA
cargo build --release -p lcsa-mcp

Usage

Run the server (stdio transport):

lcsa-mcp

Configure Claude Desktop

Add to ~/.config/claude/mcp_servers.json:

{
  "lcsa": {
    "command": "lcsa-mcp"
  }
}

Or with full path:

{
  "lcsa": {
    "command": "/path/to/lcsa-mcp"
  }
}

Configure Cursor

Add to your MCP configuration:

{
  "mcpServers": {
    "lcsa": {
      "command": "lcsa-mcp"
    }
  }
}

MCP Resources

URI	Description
`lcsa://context/current`	Snapshot of all latest signals
`lcsa://signals/latest/clipboard`	Latest clipboard signal (metadata)
`lcsa://signals/latest/selection`	Latest selection signal
`lcsa://signals/latest/focus`	Latest focus signal

MCP Tools

Tool	Description
`get_supported_signals`	Query which signal types are supported on this platform
`get_current_context`	Get a snapshot of all latest signals
`get_clipboard_content`	Get raw clipboard content (requires permission and reason)

Example Tool Responses

get_current_context

{
  "device": {
    "id": "abc123",
    "name": "workstation",
    "platform": "Linux"
  },
  "application": {
    "id": "lcsa-mcp",
    "name": "lcsa-mcp"
  },
  "supported_signals": ["clipboard", "selection", "focus"],
  "latest_signals": {
    "clipboard": {
      "content_type": "Text",
      "size_bytes": 42,
      "source_app": "firefox",
      "likely_sensitive": false,
      "likely_command": false
    }
  }
}

get_clipboard_content

{
  "preview": "Hello w...",
  "source_app": "firefox",
  "payload": "Hello world"
}

Privacy

LCSA separates signal metadata from content. The get_current_context tool returns only metadata (content type, size, source app, sensitivity flags). Raw clipboard content requires explicit permission via get_clipboard_content with a stated reason.

License

Apache-2.0

lcsa-mcp 0.1.0