RepoAtlas

Repository Brief Generator

Map any codebase in seconds.

Understand unfamiliar code faster, onboard new teammates with confidence, and spot risky hotspots before they slow you down.

Onboard fasterSpot risksExport docs

Analyze a repository

Upload a zip of your repository. Deep analysis is available for TS/JS, Python, and Java repos.

No file chosenChoose file

Reads repo files only. Never runs code.

Max 100MB · Analysis up to 2 min

Sample Repo

Read-only sample

Read-only sample report with export preview.

Repository

Name:
repo-atlas
URL:
https://github.com/owner/repo-atlas
Branch:
main
Analyzed:
2026-02-14T12:34:00Z

Run commands

  • npm run dev - Start dev server
  • npm run build - Build for production
  • npm run test - Run test suite

Repo Brief: repo-atlas

https://github.com/owner/repo-atlas

Repository

Name:
repo-atlas
URL:
https://github.com/owner/repo-atlas
Branch:
main
Analyzed:
2026-02-14T12:34:00Z

Folder Map

-src3
-app3
•page.tsx
•layout.tsx
-api1
•route.ts
-analyzer2
•index.ts
•scoring.ts
-components2
•InputForm.tsx
•ReportTabs.tsx

Architecture Map

Computing layout...

Start Here

Suggested reading order for onboarding

Priority 0–100; 100 is the top recommendation. Hover a score for details.

Path Priority (0–100) ↓Signals
README.md95Project scope, setup, and quick start for onboarding.
src/app/page.tsx90Main app shell, UX, and report wiring.
src/app/api/analyze/route.ts86Entry point for analysis and report generation.

Scores are computed from repo structure and imports only; no code execution.

Danger Zones

Files that may need extra attention

Risk 0–100 from size, coupling, complexity, and test proximity. Hover a score for details.

Path Risk (0–100) ↓Breakdown
src/analyzer/scoring.ts82Dense logic with multiple weighted heuristics and branching.
src/analyzer/packs/tsjs.ts76High fan-out and parser-like control flow patterns.

Scores are computed from repo structure and imports only; no code execution.

Run & Contribute

Run commands

  • npm run dev(from package.json) — Start dev server
  • npm run build(from package.json) — Build for production
  • npm run test(from package.json) — Run test suite

Contribute signals

Key docs

  • README.md
  • docs/guardrails.md

CI configs

  • .github/workflows/ci.yml

What you get

Folder Map

A quick top-down view of key directories and where major functionality lives.

Architecture Map

A concise Mermaid-ready outline of system components and relationships.

Start Here

A ranked reading path with deterministic signals showing why each file matters.

Danger Zones

Potentially risky hotspots flagged for complexity, coupling, or churn.

Run & Contribute

Useful run commands and contribution pointers extracted from the repo.

Export

Structured JSON and markdown-friendly output for docs and handoff notes.

How it works

  1. 1

    Upload a zip of your repo

    Zip the repo folder and upload. No GitHub link required.

  2. 2

    RepoAtlas maps structure and import relationships

    Deterministic signals highlight architecture and coupling.

  3. 3

    Get a Repo Brief with ranked start points and risk zones

    Export JSON or Markdown for docs, handoffs, and reviews.