A massive, professionally run project that's clear on what it is but hostile to newcomers and locked down for active development.
Readiness lenses
The same repo, two ways: how ready it is for an AI coding agent, and for a human newcomer. Switch lenses to see each one's score and checks.
How ready the repo is for an AI coding agent to read, build, and operate it.
72 / 10011 of 17 checks passed across 6 categories.
First Impression
88Crystal-clear purpose, mature brand, and extensive supporting material — you know exactly what TypeScript is.
Reasoning available in the full report.Getting Running
65Install is trivial, but building and developing locally require hidden knowledge and cross-referencing multiple files.
Reasoning available in the full report.Finding Your Way
76Clear module structure (src/compiler, src/harness, src/lib) and consistent naming, but no architecture guide or diagram to anchor a newcomer.
Reasoning available in the full report.Path to Contribute
44Contribution is officially discouraged; the project is on life-support for the JS version, and most PRs will be rejected outright.
Reasoning available in the full report.Signs of Life
88Active at scale — 109k stars, frequent commits, mature release cycle, and Microsoft-backed maintenance.
Reasoning available in the full report.Open Door
81Legal and social safety are clear: Apache 2.0 license, Code of Conduct, and explicit support channels, but AI contribution rules are unusually strict.
Reasoning available in the full report.
Machine Orientation
2 checks passed1 problem found
4 more checks in the full report.
Reproducible Setup
2 checks passed1 problem found
3 more checks in the full report.
Code Navigability
1 check passed1 problem found
Verification Surface
3 checks passed0 problems found
4 more checks in the full report.
Agent Safety
1 check passed2 problems found
4 more checks in the full report.
Context Economy
2 checks passed1 problem found
1 more check in the full report.
How ready the repo is for a human newcomer to understand, set up, and contribute.
15 of 18 checks passed across 6 categories.
First Impression
3 checks passed0 problems found
Getting Running
2 checks passed1 problem found
3 more checks in the full report.
Finding Your Way
1 check passed2 problems found
Path to Contribute
3 checks passed0 problems found
3 more checks in the full report.
Signs of Life
3 checks passed0 problems found
Open Door
3 checks passed0 problems found
1 more check in the full report.
Where the grip slips
5 more issues found — each with a concrete fix.
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