langchain-ai/langgraphFrameworks & SDKs
Build resilient agents.
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Build resilient agents.
LangChain 🔌 MCP
Multi-language agent runtime and library for execution scope management, lifecycle events, and middleware on tool and LLM calls.
Connect AI agents across any network — zero config, encrypted, skill-based routing
CoexistAI is a modular, developer-friendly research assistant framework . It enables you to build, search, summarize, and automate research workflows using LLMs, web search, Reddit, YouTube, and mapping tools—all with simple MCP tool calls or API calls or Python functions.
PyWry is a cross-platform app factory, rendering engine and UI toolkit for Python that produces native desktop, web, and notebook experiences from a single API.