Individual skill

stress-testing-agent-changes

Attacks your own agent change, tool grant, dependency, model, or release on purpose, across risk types such as prompt injection, gaining extra power, unsafe output, and tool misuse, and records what you tried, what happened, and the leftover risk. Use when a change widens an agent's power, data access, or network reach before release. Do not use for a typo fix with no agent power involved, or to produce a certified penetration test or formal security audit.

skills/stress-testing-agent-changes/SKILL.md

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Nov 6, 2026
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# Stress-Testing Agent Changes

## Overview

When an agent can use tools, read data, or affect releases, it gives attackers something to aim at. Normal "does it work" testing does not test for that. This skill is about attacking your own work on purpose to find weak spots (red teaming). You do it in an orderly way: list the kinds of attacks that matter here, say what safe behavior should look like, try the attacks (or simulate them), write down what happened, and tie the findings into the packet's evidence record.

## Decision contract

- **Claim checked:** each attack type chosen for this setup has a recorded `contained`/`uncertain`/`exposed` result with expected behavior written before the result, no finding quietly dropped, and `python tools/ng.py validate .nuclear/changes/<slug>` passes.
- **Artifact observed:** `basis.md`, `risk.md`, and past OPEX records naming the agent role, tools, and data reach -> a red-team record in `verification.md` (or `red-team.md`) with each type's result, leftover risk, and backup controls.
- **Decision affected:** block -- per adversarial class, contained / uncertain / exposed; uncertain or exposed findings feed `ship.md`.
- **Failure class:** unhardened-agent-power (an unchecked attack type, or an exposed finding shipped with no named leftover risk).
- **Next action:** name leftover risk and backup controls in `ship.md`; an `exposed` finding touching credentials, production data, or users escalates.