Sonar

What it does

Sonar reads any codebase and writes a briefing tailored to your role: what the product does, who uses it, the main workflows, the risks, and what to ask next. Two things make it different: 1. It is grounded, and it proves it. Every claim links to the exact file and line behind it. If the evidence is not there, Sonar says so instead of inventing it. 2. It runs on your machine. Local-first, with a local model or any OpenAI-compatible endpoint you choose. Your code never has to leave your laptop.

Sonar creates local-first, source-grounded codebase briefings for people who need project context without a subscription to a frontier coding model. It helps product managers, founders, designers, support leads, operators, executives, and technical teammates understand what a repository does, where important workflows live, and what to ask next. Sonar is optimized for high-level orientation. For fine-grained debugging, refactoring, line-by-line code explanation, or implementation work, use an engineer or a frontier coding tool with full repository context. Sonar is intended to produce strong source-grounded briefing drafts, especially with local models. It is not a replacement for…from github.com

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