@rcrsr/rill-ext-mcp

rill extension for Model Context Protocol (MCP) integration. Generates host functions dynamically from MCP server capabilities. Supports stdio and HTTP transports.

Install

npm install @rcrsr/rill-ext-mcp

Quick Start

rill-config.json

{
  "main": "browse.rill",
  "extensions": {
    "mounts": {
      "fs": "@rcrsr/rill-ext-mcp"
    },
    "config": {
      "fs": {
        "transport": {
          "type": "stdio",
          "command": "npx",
          "args": ["-y", "@modelcontextprotocol/server-filesystem", "/tmp"]
        }
      }
    }
  }
}

browse.rill

use<ext:fs> => $fs

$fs.tools.list_directory([path: "/tmp"]) => $listing
$listing.content -> log

rill-run

The extension discovers the MCP server's capabilities at startup and exposes them as callable dicts under tools, resources, and prompts.

Documentation

See full documentation for configuration, transport types, authentication patterns, error handling, and examples.

License

MIT