Astrid is a portable, capability-secure operating system for composable software.
Mastra is the modern TypeScript framework for AI-powered applications and agents.
The React Framework

Build and run agents you can see, understand and trust.
AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw alternative. ✨
AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework

The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.
The official TypeScript SDK for Model Context Protocol servers and clients

An open-source, code-first Go toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.
Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.
The full-stack TypeScript framework to build, test, and deploy production-ready MCP servers and AI-native apps.
Trigger.dev – build and deploy fully‑managed AI agents and workflows

Your ultimate Go microservices framework for the cloud-native era.
The first open-source agent skills builder. Define skills by vibe workflow, run on Claude Code, Cursor, Codex & more. Build Clawdbot 🦞· APIs for Lovable · Bots for Slack & Lark/Feishu · Skills are infrastructure, not prompts.

Skybridge is a full-stack TypeScript framework for MCP Apps and ChatGPT Apps. Type-safe. React-powered. Platform-agnostic.
Cloud Native Agentic AI | Discord: https://bit.ly/kagentdiscord
The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI
A TypeScript framework for building MCP servers.
Build effective agents using Model Context Protocol and simple workflow patterns
A Go agent harness and service framework
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.
A Go framework for building production agent systems with graph workflows, tools, memory, A2A, AG-UI, MCP, evaluation, and observability.
The Rust SDK for building coding agents. Tools, streaming, graph, sub-agent orchestration, MCP — as composable functions
AI agent microservice