poke-holes

poke-holes is a skill for Claude Code from darkroomengineering/cc-settings. It costs 44 tokens per session (1,845 once invoked), scanned A, original, MIT.

An adversarial review process that uses three separate roles: one looks for problems, one tries to disprove them, and one judges the findings. It is intended for read-only checking before important changes go live.

In plain words
What is it for?
Use it to challenge fixes, migrations, permission changes, payment logic, or public API changes. It can be triggered by requests such as “double check,” “are you sure,” or “poke holes.”
Why use it?
It reduces the chance that a reviewer misses an edge case or accepts an untested claim. The process is aimed at security, data integrity, financial logic, and breaking interface changes.

Skill for Claude Code

Written for Claude Code: context: fork in frontmatter. Also seen: mentions Codex.

Part of the darkroom plugin — 23 skills, 10 agents, 4 hooks shipped together

Good fit Use it to challenge fixes, migrations, permission changes, payment logic, or public API changes. It can be triggered by requests such as “double check,” “are you sure,” or “poke holes.”

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/darkroomengineering/cc-settings/poke-holes
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 darkroomengineering/cc-settings --skill poke-holes
Clone the repo
git clone --depth 1 https://github.com/darkroomengineering/cc-settings

Made for: Claude Code.

Or install darkroom, the plugin that ships this one along with the rest of its 23 skills, 10 agents, 4 hooks.

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 poke-holes

README.md
[![agentmods](https://agentmods.dev/badge/skills/darkroomengineering/cc-settings/poke-holes/github.svg)](https://agentmods.dev/skills/darkroomengineering/cc-settings/poke-holes)
Your own site
<a href="https://agentmods.dev/skills/darkroomengineering/cc-settings/poke-holes"><img src="https://agentmods.dev/badge/skills/darkroomengineering/cc-settings/poke-holes/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 poke-holes

Your own site · 80×15
<a href="https://agentmods.dev/skills/darkroomengineering/cc-settings/poke-holes"><img src="https://agentmods.dev/badge/skills/darkroomengineering/cc-settings/poke-holes.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 44 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,845 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original 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 $0.00044 $0.01845
Opus 5.5 $0.00018 $0.00738
Sonnet 5.5 $0.00009 $0.00369
Haiku 4.5 $0.00004 $0.00185

Measured 4d ago against content hash 1a0fc0a8e334, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

poke-holes scanned grade A with 0 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 4d 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/poke-holes/SKILL.md · 197 lines

How it starts

The opening of the file, as written. The whole thing — 197 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Adversarial Verification

Standalone Codex

Create each fresh panelist with spawn_agent, deliver context while it runs with send_message, trigger another turn once it is idle with followup_task, wait with wait_agent, and stop its current turn with interrupt_agent only when necessary. Never spawn codex-verifier and never run codex-run.ts from inside Codex.

Only read-only reviewers may overlap. Writers share the working tree unless the live host explicitly offers isolation, so any implementer and test-writer follow-up must use non-overlapping ownership and run serially.

When to Use

  • Security-sensitive code (auth, crypto, permissions)
  • Data integrity (migrations, schema changes, ETL)
  • Financial logic (payments, billing, calculations)
  • Breaking changes (API contracts, public interfaces)

The Three-Agent Pattern

Agent 1: Finder

Agent(reviewer, "You are a bug finder. Analyze the following code/changes thoroughly.
Score yourself: +1 for low-impact issues, +5 for medium-impact, +10 for critical.
Report every potential issue you find — edge cases, race conditions, missing validation,
security holes, logic errors, performance problems.
Report your total score at the end.

Target: [describe what to verify]
Files: [list files]")

Finder over-reports by design — this is the superset of all possible issues.

Standalone Codex panel

Use three separate native agents instead of the Claude bridge: spawn a fresh issue-finder, wait until it finishes, pass its report to a separate disprover, then wait until that agent finishes before spawning the judge with both reports. Follow the lifecycle above for each role. Skip the Claude cross-model finder below.

Cross-model finder (when the Codex bridge is available)

All three agents here are Claude — one model family with shared blind spots, which is the exact self-preferential bias this skill exists to fight. When the Codex bridge is available, add a non-Claude voice to the panel by running, in parallel with Agent 1:

Read the full file on GitHub · 197 lines

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. 4d ago Changed · -7 lines 1a0fc0a8e334
  2. 13d ago Changed · +15 lines b7e06d4c6eec
  3. 18d ago First seen · 189 lines · 44 tokens per session scan A 0fa5ca18308e

Subscribe to this mod's changes

poke-holes is a skill published in the GitHub repository darkroomengineering/cc-settings (52 stars, last pushed today), licensed MIT. It adds 44 tokens to every session and 1,845 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-02.

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