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…ktop apps The in-app browser draws an orange Muster cursor that glides to each control before the action, presses with a ripple, rings a field while typing and fades when the agent goes quiet. The macOS computer-use host draws the same cursor plus an outline around the window in use, above the target window only, and never in a capture.
…works without another desktop app
Dkm0315
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Part of #721 (the macOS part; Windows and Linux backends follow under the same contract).
What changes
muster-computer, Swift, built byscripts/build-computer-helper.mjs, unpacked from asar). It reads apps through the macOS Accessibility tree and captures windows with ScreenCaptureKit. It does not depend on any other desktop app being installed.muster_computerMCP server (computer-mcp.cjs). Tools:list_apps,get_app_state,click,type_text,set_value,press_key,perform_action,scroll,screenshot.Changed:/Appeared:/Gone:/No visible change.). It falls back to the full tree when most of the screen changed.MUSTER_COMPUTER_READ_ONLY=1) are not offered the mutating tools, and those tools are refused.Clicked “Add one” in MusterFixture.Timings (fixture app, M-series Mac)
get_app_statetype_textpress_keySpec and tests
docs/spec/clauses/14-agents-skills-plugins-and-automations.md, tests intests/computer-mcp.test.ts.MUSTER_REQUIRE_COMPUTER_E2E=1to make them mandatory; CI runners without the permission skip them with a reason.Not in this PR