Everything (reference server)
Developer toolsTest server that exercises every MCP feature
- Stars
- ★ 91.4k
- Licence
- Apache-2.0 / MIT (MCP licence transition)
- Updated
- MCP server
- Official

Symbol-level code search and editing for agents
From GitHub, fetched 19 Oct 2026.
Uses language servers to give an agent IDE-like tools: find symbols, references and definitions, and edit code at the symbol level instead of by line. Works with many languages.
| Runs as | Local |
|---|---|
| Type | MCP server |
| Maintained by | Community |
| Install | PyPI: serena-agent |
Sources: registry.modelcontextprotocol.io/v0/servers/io.github.oraios%2Fserena/versions/latest · github.com/oraios/serena, checked 19 Oct 2026. “Runs as” is from this listing. Blank means we haven't found it in official docs yet, not that it's unsupported.
Test server that exercises every MCP feature
Lets an agent read and work with a local Git repository
Current library documentation for coding agents
GitHub's own server for repos, issues, pull requests and Actions
Terminal, process and file tools on your own computer
Turns any public GitHub repo into a docs server