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Rings
Tree rings for your codebase: see when AI shows up in git
Rings cuts any Git repo open like a tree trunk: one ring per month since the first commit, wider when the month was busier, coloured wherever the commit history itself discloses AI: a Co-authored-by or Assisted-by line naming a coding agent (Claude, Codex, Copilot, Cursor…), an AI agent's own account, or a bot-named account. Browse 37 famous repos or ring your own with an open-source Agent Skill and CLI. Node built-ins only, no API keys, nothing uploaded. Disclosure is not usage.
Hey Product Hunt 👋
I wanted to see when AI coding agents start showing up in the git history of projects I use every day, at least where the history says so.
Rings cuts a repo open like a log. The pith is the first commit and the bark is today, one ring per month, wider when the month was busier. Coloured arcs show the share of each month's commits whose history discloses an AI co-author (a Co-authored-by, Assisted-by or "AI-assisted" line), an AI agent's own account (Copilot, Devin, Jules, opencode…), or a bot-named account.
A few things from the gallery, all from public history:
• VS Code: commits with an AI co-author trailer (almost all Copilot) went from 5% in January to 68% in September.
• Bun: Claude co-author trailers peaked at 62% of commits in February, while monthly commits grew from 175 to 1,042 by August.
• Node.js: commits with an Assisted-by line naming an AI tool rose from 11% in July to 36% in September.
One caveat I care about: disclosure is not usage. Trailers follow tool settings, squash merges and agents that commit under their own accounts, so a ring with no colour means no signal, never "written by a human". Every page says so.
Try it on your own repo:
npx skills add vnmoorthy/rings -g then /rings in Claude Code or Codex
or npx github:vnmoorthy/rings owner/name
Node built-ins only, no API keys, nothing uploaded, MIT. Every page exports a PNG and a social card.
Which repo would you cut open first? If a ring looks wrong, tell me; the matching rules and their tests are in the repo and I'll fix them.
About Rings on Product Hunt
“Tree rings for your codebase: see when AI shows up in git”
Rings was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #104 on the daily leaderboard. Rings cuts any Git repo open like a tree trunk: one ring per month since the first commit, wider when the month was busier, coloured wherever the commit history itself discloses AI: a Co-authored-by or Assisted-by line naming a coding agent (Claude, Codex, Copilot, Cursor…), an AI agent's own account, or a bot-named account. Browse 37 famous repos or ring your own with an open-source Agent Skill and CLI. Node built-ins only, no API keys, nothing uploaded. Disclosure is not usage.
On the analytics side, Rings competes within Open Source, Developer Tools and GitHub — topics that collectively have 633.5k followers on Product Hunt. The dashboard above tracks how Rings performed against the three products that launched closest to it on the same day.
Who hunted Rings?
Rings was hunted by NarasingaMoorthy V. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Rings including community comment highlights and product details, visit the product overview.
NarasingaMoorthy V