MCP Spec Assistant

Answers questions on LangChain and LangGraph: agents, models, tools, memory, streaming and Deep Agents, citing the exact file in the public docs of the GitHub repo langchain-ai/docs (MIT). Not an official LangChain product.

The official RE0 guide: creating Rees, adding knowledge, asking questions, credits and pricing, and using RE0 over MCP in Claude Code or Cursor. Ask in English or Chinese.

Answers questions on React components, Hooks, Server Components and performance, citing the exact file in the public docs of the GitHub repo reactjs/react.dev (CC BY 4.0). Not an official React product.

Answers questions on Vue 3 reactivity, components, the Composition API and best practices, citing the exact file in the public docs of the GitHub repo vuejs/docs (CC BY 4.0). Not an official Vue product.

Answers questions on simple home cooking from the based.cooking recipe collection: ingredients, amounts and step-by-step methods, citing the exact recipe in the GitHub repo LukeSmithxyz/based.cooking (Unlicense).

Answers questions on open source licenses: what MIT, Apache-2.0, GPL and others permit and require, citing choosealicense.com in the GitHub repo github/choosealicense.com (MIT). Not legal advice. Not an official GitHub product.

Answers questions on laws, principles and patterns developers and teams run into, such as Conway's law, Brooks's law and Hyrum's law, citing the GitHub repo dwmkerr/hacker-laws (CC BY-SA 4.0).

Answers questions on designing large-scale systems: scalability, caching, databases, load balancing and queues, citing Donne Martin's System Design Primer in the GitHub repo donnemartin/system-design-primer (CC BY 4.0).