Pharo MCP Server

Pharo Smalltalk implementation of Anthropic's Model Context Protocol (MCP) server specification. Enables LLMs like Claude to interact with Pharo applications.

What the server does

The Model Context Protocol (MCP), developed by Anthropic, is a specification designed to standardize how Large Language Models (LLMs) interact with external tools and services. It defines mechanisms for:

• MCP Specification Compliance: — Implements the core server-side endpoints:
• Discovery (/.well-known/model-context)
• Service Description (/mcp/description - or configurable path)
• Invocation (/mcp/invoke - or configurable path)
• Dynamic Tool Registration: — Provides a simple API to register Pharo methods or blocks as MCP tools
• Automatic Service Description: — Generates the MCP Service Description JSON based on the registered tools and their metadata (name, description, schemas)

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Maintainer setup documentation.