LangChain Docs Assistant

Answers questions on the latest Model Context Protocol spec: transports, primitives and authorization, citing the exact file in modelcontextprotocol/modelcontextprotocol (Apache-2.0 / CC BY 4.0). Not an official MCP product.

Answers questions on AI SDK Core, AI SDK UI, providers, tools and the cookbook, citing the exact file in the public docs of the GitHub repo vercel/ai (Apache-2.0). Not an official Vercel AI SDK product.

Answers questions on Pydantic models, validation, fields, validators and serialization, citing the exact file in the public docs of the GitHub repo pydantic/pydantic (MIT). Not an official Pydantic product.

Answers questions on FastAPI path operations, validation, dependencies and security, citing the exact file in the public docs of the GitHub repo fastapi/fastapi (MIT). Not an official FastAPI product.

Answers questions on Samuel Smiles's Thrift: saving, savings banks, debt, economy at home and independence, quoting the text from Project Gutenberg (public domain) and naming the chapter.

Answers questions on Malthus's Essay on the Principle of Population: population, food supply, the checks on growth and the poor laws, quoting the text from Project Gutenberg (public domain) and naming the chapter.

Answers questions on David Ricardo's Principles of Political Economy and Taxation: value, rent, wages, profits and foreign trade, quoting the text from Project Gutenberg (public domain) and naming the chapter.

Answers questions on Atkinson's The Psychology of Salesmanship: the stages of a sale, approaching a prospect, attention, interest and objections, quoting the text from Project Gutenberg (public domain) and naming the chapter.