dast-devils-advocate

dast-devils-advocate is a skill for Cursor from H-mmer/pentest-agents. It costs 53 tokens per session (3,490 once invoked), scanned B, original, no licence file.

An adversarial checker for dynamic application security testing (DAST) findings, which are security results found by testing a running application.

In plain words
What is it for?
It validates findings after an initial validation pass and before a security report is written.
Why use it?
It tries to disprove each finding and reduce its severity when evidence is weak, helping remove inflated or theoretical reports.

Skill for Cursor

Written for Cursor: installed under .cursor/.

Good fit It validates findings after an initial validation pass and before a security report is written.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/h-mmer/pentest-agents/agent-dast-devils-advocate
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add H-mmer/pentest-agents --skill agent-dast-devils-advocate
Clone the repo
git clone --depth 1 https://github.com/H-mmer/pentest-agents

Made for: Cursor.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for dast-devils-advocate

README.md
[![agentmods](https://agentmods.dev/badge/skills/h-mmer/pentest-agents/agent-dast-devils-advocate/github.svg)](https://agentmods.dev/skills/h-mmer/pentest-agents/agent-dast-devils-advocate)
Your own site
<a href="https://agentmods.dev/skills/h-mmer/pentest-agents/agent-dast-devils-advocate"><img src="https://agentmods.dev/badge/skills/h-mmer/pentest-agents/agent-dast-devils-advocate/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for dast-devils-advocate

Your own site · 80×15
<a href="https://agentmods.dev/skills/h-mmer/pentest-agents/agent-dast-devils-advocate"><img src="https://agentmods.dev/badge/skills/h-mmer/pentest-agents/agent-dast-devils-advocate.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 53 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,490 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 3 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00053 $0.03490
Opus 5 $0.00026 $0.01745
Sonnet 5 $0.00011 $0.00698
Haiku 4.5 $0.00005 $0.00349

Measured 7d ago against content hash ffc0e66b46b7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade B, and why

dast-devils-advocate scanned grade B with 3 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Reads agent configuration directorieslowAgent snooping

.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.

3. **Bare coverage hunt.** `grep -r 'coverage-' .claude/agent-memory-local/brain/targets/`.

Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.

Cloud metadata endpointmediumServer-side request forgery

One request to 169.254.169.254 can return temporary IAM credentials.

- Can it reach cloud metadata? Actually try `169.254.169.254`, don't assume.

Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

Replay the exact curl command from the PoC. Does it still work?
providers/cursor/.cursor/skills/agent-dast-devils-advocate/SKILL.md · 275 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 7d ago First seen · 275 lines · 53 tokens per session scan B ffc0e66b46b7

Subscribe to this mod's changes

dast-devils-advocate is a skill published in the GitHub repository H-mmer/pentest-agents (890 stars, last pushed 3mo ago), with no licence file. It adds 53 tokens to every session and 3,490 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it B with 3 findings (reads agent configuration directories, cloud metadata endpoint, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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