Radar check
What we found when we opened it. Every bar is one fact, with its date.
Last code pushed 20 Oct 2026, 5 days before this check.
Latest release v2.1.0 on 19 Oct 2026.
Public since March 2025, a little over 1 year.
30,723 stars and 2,089 forks.
390 commits and 168 new issues in the last 90 days.
264 contributors. 162 pull requests merged in 90 days.
No security policy file says how to report a problem. 3 published security advisories.
How the bars are scored
- Alive. Days since the last code push: a week or less 100, a month 90, three months 70, six months 50, a year 30, eighteen months 15, older 0.
- Releases. Age of the latest GitHub release, on a similar scale; no bar when the project publishes no releases.
- Maturity. Age of the project: eight years 100, five 90, three 70, two 55, one 40, six months 25, younger 10.
- Adoption. Stars on a log scale: 100,000 stars is 100, 10,000 is 80, 1,000 is 60, 100 is 40.
- Activity. Commits in the last 90 days: 300 or more 100, 100 85, 30 65, 10 45, any 25.
- Community. People who have contributed: 100 or more 100, 30 80, 10 60, 5 40, 2 25, one 10.
- Security. A published security policy 80, none 40; published advisories are listed, not scored.
Checked by Repo Radar on 26 Oct 2026 from the repository on GitHub.
In simple English
Serena is a helper tool for AI coding assistants. It lets the AI understand your code by its structure rather than just raw text. When you ask the AI to rename a function or find where a variable is used, it does this instantly. You install it once on your computer and connect it to your favourite AI terminal tool. It costs nothing in money, but you need to spend a few minutes setting it up.
What it is
An MCP (Model Context Protocol, a way for AI models to talk to external tools) toolkit that provides semantic code retrieval, editing, refactoring, and debugging capabilities to AI coding assistants.
What it is good for
Solo builders who use AI coding tools in large projects and want fewer broken references and clumsy text edits.
- Understands code structure across more than forty programming languages.
- Handles complex refactoring like cross-file symbol renames in one step.
- Connects easily with modern terminal AI tools like Claude Code.
- Requires an external tool called uv for installation.
- Language server backends may need extra dependencies installed for specific languages.
- Custom licence terms apply to the main application package.
manual search-and-replace edits
Claude Code
- anthropics/claude-code153k stars
An official terminal coding assistant that can connect to MCP toolkits like Serena.
- modelcontextprotocol/servers92k stars
A collection of official servers that extend AI assistant capabilities using the same protocol.
- Kong/insomnia40k stars
A desktop application for sending requests to an interface and reading what comes back.
- microsoft/playwright-mcp39k stars
A server that lets an AI assistant drive a real browser, using the page's own structure rather than screenshots.
- Kilo-Org/kilocode28k stars
An open-source coding assistant for VS Code, JetBrains editors and the terminal, which can edit several files at once.
uv tool install -p 3.13 serena-agent serena init