feat(tracking): identify CLI and detect AI agent harness#175
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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Pass app=cli and detected AI agent (Claude Code, Cursor, etc.) as query params when creating a repository so the server-side Repository Created event can distinguish CLI from UI and attribute which harness triggered it. Attach the agent to Prismic CLI Start/End events as well.
jomifepe
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tomaboro
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May 8, 2026
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Description
detectAgenthelper that identifies the AI coding agent (Claude Code, Codex, Cursor, Cline, Copilot, etc.) invoking the CLI based on environment variables. Groundwork for harness-aware tracking.createRepositorynow sends?app=cli(and&agent=<harness>when detected) onPOST /app/dashboard/repositories. On the API side (paired PR: prismicio/wroom#3189),app=climaps to a newExternalApp.CLIcase so theRepository CreatedSegment event reportssource=cli, and theagentquery param is propagated as anagenttrait on the same event.Prismic CLI StartandPrismic CLI Endevents now carry anagentproperty as well, so harness usage can be analyzed across the full CLI lifecycle, not only repo creation.How to QA 1
Deployed to dev-tools
PRISMIC_HOST=dev-tools-wroom.com npx prismic@pr-175 repo create -n my-repoPRISMIC_HOST=dev-tools-wroom.com npx prismic@pr-175 init -r my-reposourceandagentpropertiesNeed help on this PR? Tag
@codesmithwith what you need.Note
Low Risk
Low risk: adds a new standalone helper that only reads environment variables (and optionally checks a Linux file path) without changing existing execution paths.
Overview
Introduces
src/lib/ai.tswith a new asyncdetectAgent()helper that identifies the active AI agent by checking a prioritized set of environment variables (Claude Code/Cowork, Codex, Cursor, Cline, Copilot, etc.).On Linux it additionally probes for a Devin marker at
file:///opt/.devin, and it returnsunknown-sandboxwhenIS_SANDBOX=yes.Reviewed by Cursor Bugbot for commit cd2983c. Bugbot is set up for automated code reviews on this repo. Configure here.
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