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upstash/context7

Provides up-to-date, version-specific code documentation directly to LLMs and AI code editors, preventing outdated or hallucinated code generation.

Core Features

Fetches up-to-date, version-specific documentation from source.

Integrates directly into LLM prompts and AI code editors.

Prevents hallucinated APIs and outdated code examples.

Supports CLI + Skills and MCP integration modes.

Allows specifying library IDs and versions for precise documentation.

Quick Start

npx ctx7 setup

Detailed Introduction

Context7 Platform addresses a critical challenge faced by developers using Large Language Models (LLMs) and AI code editors: the reliance on outdated or generic training data, leading to inaccurate, hallucinated, or non-existent API suggestions. This project acts as a bridge, fetching real-time, version-specific code documentation and examples directly from source repositories. By injecting this up-to-date context into AI prompts, Context7 ensures that code generation is accurate, relevant, and free from common pitfalls. It integrates seamlessly via a CLI tool with 'skills' or through a native MCP server, empowering developers to leverage AI for coding with unprecedented reliability and precision, ultimately boosting productivity and reducing debugging time.