AI Agent Config Files on GitHubLive

How many public GitHub files exist for each AI coding agent's instruction file — CLAUDE.md, AGENTS.md, Cursor rules and more. A file in a repo means a team has set it up for that agent.

CLAUDE.md files

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public files

AGENTS.md files

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cross-tool standard

All tracked files

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across — file types

Days tracked

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since first snapshot

Config Files by Agent

Public files per instruction-file type, latest snapshot. Log scale, so small files stay visible next to the big ones.

Growth Since Tracking Began

Daily snapshots of the same counts. History starts on the first snapshot, because GitHub code search cannot be filtered by date.

Daily Commits Mentioning Each File

Public commits per day whose message names the file (7-day average, log scale). Unlike the snapshot counts above this goes back to February 2025, because commit search can be filtered by date.

How To Read This

Files, not repos or commits. A repo can hold several instruction files (one per folder), and a file only shows that a team set the agent up, not how much it is used. For commit volume see the AI coding agent commits report.

AGENTS.md belongs to no single tool. It is an open convention read by several agents (Codex and others), so treat it as a cross-tool signal rather than one product's adoption. Many repos carry both AGENTS.md and a tool-specific file.

Mentions are activity, not files. The daily-commits chart counts commit messages that name a file, such as "add CLAUDE.md" or "update AGENTS.md", so edits and removals count too. It shows when each convention took off, not how many files exist.

Counts are approximate. GitHub's code-search totals move in coarse steps and exclude forks, so small day-to-day changes are noise. Read the direction over weeks, not single days. Copies of template or example repos are included.

Methodology & Source

Data source: GitHub code-search API, one query per file type (for example filename:CLAUDE.md), the reported total_count stored once a day at 02:15 UTC. Code search indexes files as they exist now and has no date filter, so this series is a daily snapshot that begins at the first run rather than a back-filled history.

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