# context7 vs serena
_MCP Servers · independent comparison_

> context7 and serena are both open-source mcp servers you can self-host for free. context7 has wider GitHub adoption — 60k stars vs 27k. Neither is universally better — pick by fit.

## Side by side

**context7**
- Open source · MCP server · 60k★ · TypeScript · MIT · active 1 day ago
- Best for: Giving coding agents up-to-date library documentation via MCP.
- Avoid if: Your stack is niche enough that its docs are not covered.
- [listing](https://agentsearchengine.app/agents/context7) · [official](https://context7.com)

**serena**
- Open source · SDK / library · 27k★ · Python · MIT · active today
- Best for: Giving a coding agent symbol-level code navigation, refactoring, and debugging via MCP.
- [listing](https://agentsearchengine.app/agents/serena) · [official](https://oraios.github.io/serena)

## Key differences

- context7 has wider GitHub adoption — 60k stars vs 27k.
- context7 is written primarily in TypeScript; serena in Python.

## Which to choose

**Choose context7 if:** Giving coding agents up-to-date library documentation via MCP.

**Choose serena if:** Giving a coding agent symbol-level code navigation, refactoring, and debugging via MCP.

## FAQ

**What's the main difference between context7 and serena?**
context7 has wider GitHub adoption — 60k stars vs 27k.

**Is context7 or serena better?**
Neither is universally better. context7 is the stronger fit for Giving coding agents up-to-date library documentation via MCP; serena for Giving a coding agent symbol-level code navigation, refactoring, and debugging via MCP. Use the side-by-side specs to decide by your own constraints.

**Is context7 or serena free?**
context7 is free to run and self-host; serena is free to run and self-host. Both are free to self-host — you only pay for the infrastructure and any model or API usage.

**Which is more popular, context7 or serena?**
By GitHub stars — a proxy for open-source adoption — context7 is ahead (60k vs 27k). Stars measure attention, not necessarily the better fit for you.

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Source: [Agent Search Engine](https://agentsearchengine.app) — https://agentsearchengine.app/compare/context7-vs-serena