The official Rust SDK for the Model Context Protocol
The official Python SDK for Model Context Protocol servers and clients
The official TypeScript SDK for Model Context Protocol servers and clients
The official Go SDK for Model Context Protocol servers and clients. Maintained in collaboration with Google.
The official PHP SDK for Model Context Protocol servers and clients. Maintained in collaboration with The PHP Foundation.
The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.
A generic, modular server for implementing the Model Context Protocol (MCP).
A type-safe implementation of the official Model Context Protocol (MCP) schema in Rust.
Build autonomous AI agents in Python.
Interactive documents from Markdown. Extends MD with forms, approvals, webhooks, and more — built for next gen apps

Define intent once. Photon turns a single TypeScript file into CLI tools, MCP servers, and web interfaces.