High-risk tools in Happy Server MCP
3 of the 15 tools in Happy Server 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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happy_send_messageExecuteSend a message to a Happy AI session to trigger it to work. The message will be sent with bypass permissions mode.
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happy_start_sessionExecuteStart a new Happy AI session on a machine. Use happy_list_machines to find available machines first. Use happy_list_environment_sets to see available environment presets. Option...
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happy_wait_for_idleExecuteWait for a Happy AI session to become idle (finish processing). Useful after sending a message to wait for AI to complete its work.
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.