Content
72%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
The body is actionable and well-organized with concrete payloads and a clear proof criterion, but it spends tokens explaining a familiar concept and repeats the proof/encoding point, and the testing flow is presented as patterns rather than a sequenced, checkpointed workflow.
Suggestions
Collapse the 'What is HTML Injection' explanation and remove the duplicated proof/encoding criterion from the 'What is', 'Proof', and 'Distinguishing' sections — state the literal-`<`-vs-`<` proof once.
Reformat 'Autonomous Testing Priority' as a short numbered sequence (inject canary tag → check response for unescaped `<` → if filtered, try fallback tags → if it works, escalate to `<script>`) with the proof step as an explicit validation checkpoint.
Lead with the autonomous testing procedure before the conceptual 'What is HTML Injection' background so the operative guidance comes first.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | Mostly efficient, but the 'What is HTML Injection' section restates a concept Claude largely already knows, and the proof/encoding criterion (literal '<' vs '<') is repeated across three sections and could be tightened. | 2 / 3 |
Actionability | It provides concrete, executable payloads (`<b>CANARY</b>`, `"><img src=x onerror=alert(91234)>`, `<a href="https://attacker.com">click</a>`) with an explicit proof criterion; the CANARY placeholder is a justified, intentional flexibility. | 3 / 3 |
Workflow Clarity | The inject → verify → fallback → escalate flow and a proof criterion are present, but the guidance is laid out as labelled patterns rather than a sequenced workflow with explicit validation checkpoints and feedback loops. | 2 / 3 |
Progressive Disclosure | A single self-contained file (under 60 lines) with no external bundle references and well-organized sections; per the simple-skill guidance this organization earns the top score without separate files. | 3 / 3 |
Total | 10 / 12 Passed |