Context7

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Context7 pulls up-to-date, version-specific documentation and code examples directly from the source. Paste accurate, relevant documentation directly into tools like Cursor, Claude, or any LLM. Get better answers, no hallucinations and an AI that actually understands your stack.0
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What is Context7?

Context7 MCP is an essential tool from Upstash designed to bridge the "knowledge cutoff" gap in large language models (LLMs) and AI code editors. It ensures your AI generates accurate, functional code by automatically providing the latest, version-specific documentation and code snippets directly from official sources. For developers relying on AI for coding, Context7 MCP eliminates frustrating hallucinations and outdated API usage, boosting efficiency and reliability.

Key Features

  • 📚 Automated, Up-to-Date Documentation: Context7 MCP automatically integrates the most current official documentation, API specifications, and code examples for your chosen libraries and frameworks directly into your AI prompts. This eliminates the need for manual copy-pasting and ensures your AI always references the latest information.

  • 🎯 Version-Specific & Verified Source Data: Unlike generic web searches, Context7 MCP extracts documentation directly from source code, guaranteeing version-specific accuracy and authenticity. This structured retrieval process prevents AI hallucinations and ensures the code generated is based on real, functional APIs.

  • 🧠 LLM-Optimized Information Delivery: The tool doesn't just crawl; it employs structured extraction and on-demand recall to format documentation in a way LLMs can effectively "understand and use." This intelligent processing translates raw data into actionable context for superior code generation.

  • 🌐 Broad Library & Framework Support: With support for over 6000 popular libraries and frameworks—and growing—Context7 MCP covers most mainstream development needs. You can also manually add support for any niche libraries not yet included, ensuring comprehensive coverage.

Use Cases

  • Integrating Cutting-Edge Libraries: When you're developing with a newly released library or framework, Context7 MCP provides your AI with its official, up-to-the-minute documentation. This enables the AI to generate correct, runnable code for features it wouldn't otherwise know, accelerating your adoption of new technologies.

  • Ensuring API Compatibility: If you need to implement features using a specific, perhaps older or very recent, version of a library, Context7 MCP guides the AI to use the exact APIs for that version. This prevents common errors where AI defaults to an incorrect or outdated API, saving you debugging time.

  • Accelerating Code Generation & Learning: Leverage Context7 MCP to quickly generate accurate code snippets and examples for any supported library. This is invaluable for rapid prototyping, exploring new functionalities, or quickly understanding complex APIs without sifting through dozens of documentation pages yourself.

Why Choose Context7 MCP?

Context7 MCP addresses critical limitations of current LLMs, offering distinct advantages:

  • Eliminate AI Hallucinations: Traditional LLMs often "hallucinate" or invent code when faced with information beyond their knowledge cutoff. Context7 MCP directly feeds them verified, current documentation, ensuring the generated code is grounded in reality and functionality.

  • Guaranteed Code Accuracy: By sourcing documentation directly from official repositories and ensuring version specificity, Context7 MCP significantly boosts the accuracy and reliability of AI-generated code. Our real-world tests demonstrate a dramatic improvement in code that runs correctly and meets expectations, unlike AI outputs that ignore new libraries and revert to outdated APIs.

  • Massive Time Savings: Stop wasting hours manually searching, copy-pasting, and validating documentation for your AI. Context7 MCP automates this entire process, freeing you from the "manual labor" of context provision and allowing you to focus on actual development.

Conclusion

Context7 MCP transforms how you collaborate with AI for coding, turning potential frustration into seamless productivity. By consistently providing LLMs with the precise, up-to-date information they need, it empowers you to build faster, more reliably, and with confidence.

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More information on Context7

Launched
2025-01
Pricing Model
Free
Starting Price
Global Rank
75214
Follow
Month Visit
537.4K
Tech used

Top 5 Countries

23.24%
6.87%
6.75%
6.38%
4.64%
United States China Vietnam India Korea, Republic of

Traffic Sources

8.31%
0.73%
0.1%
6.68%
36.65%
47.53%
social paidReferrals mail referrals search direct
Source: Similarweb (Oct 5, 2025)
Context7 was manually vetted by our editorial team and was first featured on 2025-10-05.
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