LangChain vs Model Context Protocol (MCP): licensing, GitHub activity, and what each is actually for. Neutral comparison, no paid rankings.
LangChain: Open source. 147,760 GitHub stars. Framework for developing applications powered by LLMs. Build and test RAG pipelines, agents, and chains with built-in evaluation tools.
Model Context Protocol (MCP): Open source. 91,208 GitHub stars. Anthropic's open protocol connecting AI systems to data sources. Test integrations between LLMs and external tools/databases.