Composio provider for Claude Agent SDK

The official TypeScript SDK for Model Context Protocol servers and clients

The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.

The official Python SDK for Model Context Protocol servers and clients

The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI

The official Rust SDK for the Model Context Protocol

The official PHP SDK for Model Context Protocol servers and clients. Maintained in collaboration with The PHP Foundation.

The official Ruby SDK for the Model Context Protocol servers and clients.

Local first, desktop companion platform with animated pets, plugin SDK and coding-agent integrations.

Create AI Agents in a No-Code Visual Builder or TypeScript SDK with full 2-way sync. For shipping AI assistants and multi-agent AI workflows.

Mimi Seed MCP server — Firebase + AdMob + Google Play + App Store management for Claude Code / Codex / Cursor / any MCP client.

🚀 Universal SDK for building next-gen MCP servers

Hivemind turns your traces into reusable skills across agents

Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More

A toolkit for frontier forecasting.

Public MCP server for the TokPortal API.

BitFun combines a high-performance agent runtime written in Rust with a polished desktop application. It pairs the depth of a Code Agent with open, general-purpose capabilities for work beyond software development.

Skybridge is a full-stack TypeScript framework for MCP Apps and ChatGPT Apps. Type-safe. React-powered. Platform-agnostic.

Local Anthropic API powered by your Claude Max subscription. One subscription, every agent.

Claude Code harness adapter for TanStack AI — run Claude Code as a chat backend with local tool execution and stateful sessions.

The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.

Always-current official Claude docs inside Claude Code. A 3 MB metadata plugin: live on-demand fetching from Anthropic's servers, zero content redistributed. Auto-discovery skill, instant search, interactive HTML courses, and doc changelog reports.

Testing and evaluation platform to chat, inspect, and debug MCP servers, MCP apps, and ChatGPT apps.

🚀Apache RocketMQ build in Rust🦀. Faster, safer, and with lower memory usage. ⭐ Star to support our work❤️!