/slack-channel:policy Author, lint, and remove policy rules under 's top-level field. The evaluator ( in ) is the veto layer for every MCP tool call — this skill is the ergonomic front door to authoring rules without opening in a text editor. See §Policy schema for the full rule shape and semantics. This skill does not replace the hand-edit path; it complements it. Usage Effect is one of , , . json-match is a JSON object literal for the field — e.g. . At least one field must be populated; the validator rejects empty matches. Options by effect | Effect | Required | Optional | |----------------…