MCPEx is an Elixir client library for the Model Context Protocol (MCP).

This library provides a complete, spec-compliant implementation of the Model Context Protocol (MCP) client, supporting version 2025-03-26 of the specification.

Features

• Full protocol implementation with capability negotiation
• Multiple transport options (stdio, HTTP)
• Resource handling with subscriptions
• Tool invocation support
• Prompt template handling
• Shell environment integration