Turn the agent's most recent mistake into an enforced ThumbGate prevention rule (a PreToolUse block gate) so the same bad tool call is intercepted before it runs again, in this and every future session across Claude Code, Cursor, Codex, Gemini, Amp, and Cline. Captures the failure with the capture_feedback MCP tool, then force-promotes it via npx thumbgate force-gate so it is enforced, not just logged. Use when the user says "guard against this", "block this from happening again", "never do that again", "make that a rule", "stop the agent from repeating that", or right after a bad action or thumbs-down that should become a hard rule. Do NOT use to merely log a thumbs-up/down without enforcement (use the thumbgate-feedback skill), to recall prior context before starting work (use the Agent Memory skill), or to list rules that already exist (use the thumbgate-rules skill).
How to install thumbgate-guard?
igorganapolsky/thumbgate/thumbgate-guard
$npx -y skills add igorganapolsky/thumbgate --skill thumbgate-guardInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/igorganapolsky/thumbgate" --skill "igorganapolsky/thumbgate/thumbgate-guard"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/igorganapolsky/thumbgate" that are relevant to the current task. Run `npx skills add "https://github.com/igorganapolsky/thumbgate"` and select the relevant skills, then follow their instructions.
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