How I Built a Local Tool That Maps Any Codebase in 55 Seconds No Cloud, No Uploads

I spend a lot of time working with AI coding agents Claude Code, Cline, Cursor, OpenCode. And every...

giovedì 18 giugno 2026 New tab

146 words~1 min read

I spend a lot of time working with AI coding agents Claude Code, Cline, Cursor, OpenCode. And every time I start a new task in a large repo, I hit the same wall: the agent has no idea what the codebase looks like.

So I built Sentinel.

What it does

Point it at any repo. It scans everything locally (no uploads, no API keys, no internet needed) and produces:

Why local-only matters

How I Built a Local Tool That Maps Any Codebase in 55 Seconds No Cloud, No Uploads

How I Built a Local Tool That Maps Any Codebase in 55 Seconds No Cloud, No Uploads

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