Agent Guardrails and Safety Rules
Generates the safety layer for an existing agent — refusal rules, injection resistance, output validation, escalation triggers and the test cases to verify each one holds.
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Running it, start to finish
- List everything the agent can change in the real world.
- Paste the guardrails into your existing system prompt.
- Run the test suite before deploying and after every change.
What you get back
The output this produces, every time.
- Writes guardrails as testable rules rather than as general encouragement.
- Addresses instruction injection explicitly, which is rarely covered and is the most serious failure mode.
- Pairs every guardrail with a test case, since one without a test is only an intention.
Getting better results
Where this usually goes wrong, and how to avoid it.
- Run the injection test. Any agent that reads external content can be instructed by it, and almost no system prompt addresses this.
- Re-run the suite after every prompt change. Guardrails are easy to break with an unrelated edit, and nothing announces it.
- Make escalation cheap. An agent reluctant to hand over is the one that causes the incident. Over-escalation is a much smaller cost.
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Written for The AI University. Every prompt in this library is original work — authored, tested and revised here, not collected from elsewhere. 365 of them, free with an account.