Serena
MCP toolkit that gives coding agents semantic code retrieval and editing, like IDE features.
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Use cases
About Serena
Serena is listed in our MCP servers category and is aimed at builders. MCP toolkit that gives coding agents semantic code retrieval and editing, like IDE features. Pricing, as the maker states it: Open source. Maturity: Mature. We last checked the official link on 2026-10-16.
What is Serena?
Serena is an MCP toolkit that gives coding agents semantic code retrieval, editing, refactoring and debugging tools akin to an IDE's, working at the symbol level.
It integrates with any client or LLM via MCP, and its agent-first tool design uses high-level abstractions rather than line numbers.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: oraios.github.io/serena.
Who is Serena for?
Developers who want coding agents to navigate and edit code by symbols, like an IDE.
Serena at a glance
- Open source: Yes (GPL-3.0-or-later for the Serena application; MIT for SolidLSP)
- GitHub: oraios/serena · 30,558 stars (as of Oct 21, 2026)
Key features
- Symbol-level retrieval and editing
- Refactoring and debugging tools
- Works with any MCP client
Serena FAQ
What is Serena?
Serena is an MCP toolkit that gives coding agents semantic code retrieval, editing, refactoring and debugging tools akin to an IDE's, working at the symbol level.
Who is Serena for?
Developers who want coding agents to navigate and edit code by symbols, like an IDE.
Is Serena free?
Serena's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is Serena open source?
Yes. Serena is released under GPL-3.0-or-later for the Serena application; MIT for SolidLSP, according to its GitHub repository.
What are alternatives to Serena?
Similar tools include GitMCP, LinkedIn MCP Server, Stripe Agent Toolkit, Wolfram MCP, Desktop Commander MCP and Power BI Modeling MCP.
Serena ratings and reviews
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