Assert the agent did NOT invoke any tool matching name — the safety negative (e.g. a destructive MCP tool was never called). "File unchanged" can pass by accident; "the tool was never used" is the real invariant. Needs transcript.
name
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Assert the agent did NOT invoke any tool matching
name— the safety negative (e.g. a destructive MCP tool was never called). "File unchanged" can pass by accident; "the tool was never used" is the real invariant. Needstranscript.