An MCP server that gives Claude Code
precise API documentation.

~500 tokens, not 50KB.

$claude mcp add augments https://mcp.augments.dev/mcp

MCP (Model Context Protocol) lets Claude use external tools. Learn more

Before

Claude guesses or uses outdated training data

After

Claude gets exact TypeScript signatures from npm
~500 tokens

How it works

1.
You ask Claude about an API (e.g., “how does useEffect work?”)
2.
Claude calls Augments with your query
3.
Augments fetches TypeScript types from npm
4.
Returns exact signatures + related types (~500 tokens)
5.
Claude responds with accurate, up-to-date information

Example response

{
  framework: "react",
  version: "19.0.4",
  api: {
    name: "useEffect",
    signature: "function useEffect(
      effect: EffectCallback,
      deps?: DependencyList
    ): void"
  },
  relatedTypes: {
    EffectCallback: "() => void | Destructor",
    DependencyList: "readonly unknown[]",
    Destructor: "() => void"
  }
}

Supported

React, Next.js, TanStack Query, Supabase, Express, Mongoose, Prisma, Tailwind CSS, Zod, tRPC...
View all 92 frameworks →