I built pecto – it reads your code and tells you what it does

Alicia — Tue, 31 Mar 2026 17:14:43 +0000

Hi everyone, i’m Alicia and i built pecto cause i’m working on a legacy code project which drives me nuts :-) i wanted to visualize the codebase and figure out a way to see what the code actually does not just API endpoints.

This is my first open source project and i hope pecto can grow and be useful for more devs who have to work on legacy code or just want a way to visualize their code.

I wanted the analysis to be really fast, local and not dependet on LLM’s. It uses tree-sitter for parsing and is written in Rust.

I really like the pecto serve command which gives you a dashboard where you see the flows of behavior directly from your codebase.

Please feel free to check it out and give me feedback, as for now i’m the only one who used it ^^

Website: https://pecto.dev
Github: https://github.com/AliciaMartinelli/pecto

You can install it with: cargo install pecto, then go into your project and run pecto init for the specs and pecto serve for the fancy dashboard :-)

Please give me feedback and if you want to contribute just let me know! :-)

DEV Community: Alicia

I built pecto – it reads your code and tells you what it does