MDX, marked
Every repository here has at least 1,000 stars and was marked against the same scheme. Curated lists, books, and tutorials are marked separately and left out, since asking whether an agent can install a list of links means nothing.
The class as a whole
873
repositories marked
63
median mark out of a hundred
37%
have no test command an agent can find
35%
ship an AGENTS.md
Seeded from the 864 most-starred repositories on 25 August 2026 and re-marked since. Figures current to 10 October 2026.
| Repository | MD | Language | Added | Stars | Mark | ||
|---|---|---|---|---|---|---|---|
| 1 | thedaviddias/Front-End-Checklist 🗂 The essential checklist for modern web development, for humans and AI agents | ✓ | MDX | 25 Aug | 74k | 88 | A |
| 2 | twbs/bootstrap The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web. | ✓ | MDX | 25 Aug | 175k | 81 | A- |
| 3 | dair-ai/Prompt-Engineering-Guide 🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents. | ~ | MDX | 25 Aug | 79k | 61 | B- |
| 4 | inkonchain/docs Ink Documentation | · | MDX | 25 Aug | 36k | 50 | C+ |
Mark yours.
Two API calls. Nothing cloned, nothing executed, no account.