What is Context7?
Context7 is a MCP server by upstash that up-to-date code documentation for LLMs and AI code editors. It is listed under Knowledge & memory and has 63,215 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | upstash |
| Repository | upstash/context7 |
| Popularity | 63,215 GitHub stars |
| Category | Knowledge & memory |
| Security | Review before installing (72/100) |
| Rank | #12 of 4,418 MCP servers; #2 in Knowledge & memory |
| License | MIT |
| Last commit | 2026-10-17 |
| Stars this week | +306 |
| Runs | Cloud service |
| Language | TypeScript |
Is Context7 safe to install?
Context7 scores 72/100 on the MCPMods security check: Review before installing. Things to review: sends your data to a cloud service; can take actions such as send, write or deploy. It passed 3 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Sends your data to a cloud service | Review |
| No credentials mentioned | Pass |
| Can take actions such as send, write or deploy | Review |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install Context7?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/upstash/context7
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add context7 -- <command from README> claude mcp add --transport http context7 <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs Context7 for you:
Add the "Context7" MCP server from https://github.com/upstash/context7 to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.