High-risk tools in macOS MCP Servers
10 of the 41 tools in macOS MCP Servers are classified as high risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at high risk
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end_current_callExecuteEnd the current FaceTime call
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next_trackExecuteSkip to the next track in Apple Music
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play_pauseExecuteToggle play/pause in Apple Music
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play_playlistExecutePlay a specific playlist by name
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play_trackExecutePlay a specific track by Spotify URI
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previous_trackExecuteGo to the previous track in Apple Music
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start_facetime_audio_callExecuteStart a FaceTime audio call with a contact
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start_facetime_callExecuteStart a FaceTime video call with a contact
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toggle_muteExecuteToggle mute/unmute for the current FaceTime call
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toggle_videoExecuteToggle video on/off for the current FaceTime call
Attacks that target this class
High-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.