context7
Context7 MCP Server -- Up-to-date code documentation for LLMs and AI code editors
Stars: 46304
Context7 is a powerful tool for analyzing and visualizing data in various formats. It provides a user-friendly interface for exploring datasets, generating insights, and creating interactive visualizations. With advanced features such as data filtering, aggregation, and customization, Context7 is suitable for both beginners and experienced data analysts. The tool supports a wide range of data sources and formats, making it versatile for different use cases. Whether you are working on exploratory data analysis, data visualization, or data storytelling, Context7 can help you uncover valuable insights and communicate your findings effectively.
README:
LLMs rely on outdated or generic information about the libraries you use. You get:
- ❌ Code examples are outdated and based on year-old training data
- ❌ Hallucinated APIs that don't even exist
- ❌ Generic answers for old package versions
Context7 MCP pulls up-to-date, version-specific documentation and code examples straight from the source — and places them directly into your prompt.
Add use context7 to your prompt (or set up a rule to auto-invoke):
Create a Next.js middleware that checks for a valid JWT in cookies
and redirects unauthenticated users to `/login`. use context7Configure a Cloudflare Worker script to cache
JSON API responses for five minutes. use context7Context7 fetches up-to-date code examples and documentation right into your LLM's context. No tab-switching, no hallucinated APIs that don't exist, no outdated code generation.
[!NOTE] API Key Recommended: Get a free API key at context7.com/dashboard for higher rate limits.
Install in Cursor
Go to: Settings -> Cursor Settings -> MCP -> Add new global MCP server
Pasting the following configuration into your Cursor ~/.cursor/mcp.json file is the recommended approach. You may also install in a specific project by creating .cursor/mcp.json in your project folder. See Cursor MCP docs for more info.
Since Cursor 1.0, you can click the install button below for instant one-click installation.
{
"mcpServers": {
"context7": {
"url": "https://mcp.context7.com/mcp",
"headers": {
"CONTEXT7_API_KEY": "YOUR_API_KEY"
}
}
}
}{
"mcpServers": {
"context7": {
"command": "npx",
"args": ["-y", "@upstash/context7-mcp", "--api-key", "YOUR_API_KEY"]
}
}
}Install in Claude Code
Run this command. See Claude Code MCP docs for more info.
claude mcp add --scope user context7 -- npx -y @upstash/context7-mcp --api-key YOUR_API_KEYclaude mcp add --scope user --header "CONTEXT7_API_KEY: YOUR_API_KEY" --transport http context7 https://mcp.context7.com/mcpRemove
--scope userto install for the current project only.
Install in Opencode
Add this to your Opencode configuration file. See Opencode MCP docs for more info.
"mcp": {
"context7": {
"type": "remote",
"url": "https://mcp.context7.com/mcp",
"headers": {
"CONTEXT7_API_KEY": "YOUR_API_KEY"
},
"enabled": true
}
}{
"mcp": {
"context7": {
"type": "local",
"command": ["npx", "-y", "@upstash/context7-mcp", "--api-key", "YOUR_API_KEY"],
"enabled": true
}
}
}Install with ctx7 setup
Set up Context7 MCP for your coding agents:
npx ctx7 setupAuthenticates via OAuth, generates an API key, and configures the MCP server and rule for your agents. Use --cursor, --claude, or --opencode to target a specific agent.
OAuth Authentication
Context7 MCP server supports OAuth 2.0 authentication for MCP clients that implement the MCP OAuth specification.
To use OAuth, change the endpoint from /mcp to /mcp/oauth in your client configuration:
- "url": "https://mcp.context7.com/mcp"
+ "url": "https://mcp.context7.com/mcp/oauth"OAuth is only available for remote HTTP connections. For local MCP connections using stdio transport, use API key authentication instead.
To avoid typing use context7 in every prompt, add a rule to your MCP client to automatically invoke Context7 for code-related questions:
-
Cursor:
Cursor Settings > Rules -
Claude Code:
CLAUDE.md - Or the equivalent in your MCP client
Example rule:
Always use Context7 MCP when I need library/API documentation, code generation, setup or configuration steps without me having to explicitly ask.If you already know exactly which library you want to use, add its Context7 ID to your prompt. That way, Context7 MCP server can skip the library-matching step and directly continue with retrieving docs.
Implement basic authentication with Supabase. use library /supabase/supabase for API and docs.The slash syntax tells the MCP tool exactly which library to load docs for.
To get documentation for a specific library version, just mention the version in your prompt:
How do I set up Next.js 14 middleware? use context7Context7 will automatically match the appropriate version.
Context7 MCP provides the following tools that LLMs can use:
-
resolve-library-id: Resolves a general library name into a Context7-compatible library ID.-
query(required): The user's question or task (used to rank results by relevance) -
libraryName(required): The name of the library to search for
-
-
query-docs: Retrieves documentation for a library using a Context7-compatible library ID.-
libraryId(required): Exact Context7-compatible library ID (e.g.,/mongodb/docs,/vercel/next.js) -
query(required): The question or task to get relevant documentation for
-
- More MCP Clients - Installation for 30+ clients
- Adding Libraries - Submit your library to Context7
- Troubleshooting - Common issues and solutions
- API Reference - REST API documentation
- Developer Guide - Run Context7 MCP locally
1- Context7 projects are community-contributed and while we strive to maintain high quality, we cannot guarantee the accuracy, completeness, or security of all library documentation. Projects listed in Context7 are developed and maintained by their respective owners, not by Context7. If you encounter any suspicious, inappropriate, or potentially harmful content, please use the "Report" button on the project page to notify us immediately. We take all reports seriously and will review flagged content promptly to maintain the integrity and safety of our platform. By using Context7, you acknowledge that you do so at your own discretion and risk.
2- This repository hosts the MCP server’s source code. The supporting components — API backend, parsing engine, and crawling engine — are private and not part of this repository.
Stay updated and join our community:
- 📢 Follow us on X for the latest news and updates
- 🌐 Visit our Website
- 💬 Join our Discord Community
- Better Stack: "Free Tool Makes Cursor 10x Smarter"
- Cole Medin: "This is Hands Down the BEST MCP Server for AI Coding Assistants"
- Income Stream Surfers: "Context7 + SequentialThinking MCPs: Is This AGI?"
- Julian Goldie SEO: "Context7: New MCP AI Agent Update"
- JeredBlu: "Context 7 MCP: Get Documentation Instantly + VS Code Setup"
- Income Stream Surfers: "Context7: The New MCP Server That Will CHANGE AI Coding"
- AICodeKing: "Context7 + Cline & RooCode: This MCP Server Makes CLINE 100X MORE EFFECTIVE!"
- Sean Kochel: "5 MCP Servers For Vibe Coding Glory (Just Plug-In & Go)"
MIT
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