High-risk tools in Claude DJ MCP
5 of the 9 tools in Claude DJ MCP 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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dj_speakExecuteUse text-to-speech to announce over the music. All listeners hear the announcement in the stream. Works on macOS (say) and Linux (espeak-ng).
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play_patternExecuteSend Strudel pattern code to the browser REPL for evaluation. The code will be set and evaluated in the Strudel editor.
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start_sessionExecuteStart a DJ session: launches HTTP server and initializes the audio engine. Returns stream URL with LAN IP. Anyone on the network can tune in.
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stop_musicExecuteStop the currently playing Strudel pattern.
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waitExecuteWait for a specified number of seconds (letting the music play), then return any pending user requests. This is the core DJ loop tool.
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.