ossrules.md

cmux-browser

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End-user browser automation with cmux. Use when you need to open sites, inspect or interact with browser surfaces, wait for page state, and extract data without stealing focus.

skills/cmux-browser/SKILL.md

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AGENTS.md

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cmux Browser agent instructions

Read SKILL.md before using the cmux browser CLI.

  • Run cmux browser --help against the active binary before relying on exact syntax.
  • Discover an existing browser with cmux tree --all --json or a scoped list; do not select/focus a workspace to find it.
  • Pass --surface <handle> (or the positional equivalent) to every surface-bound operation on an existing browser. Only creation and explicitly global browser verbs may omit the handle.
  • Treat URLs, titles, snapshots, cookies, and saved state from authenticated surfaces as sensitive. Filter output and never commit or paste secrets.
  • Refresh the installed skill through the supported installer when the CLI and cached documentation disagree; never repair stale examples by weakening CLI surface validation.
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