secret-detection

secret-detection is a skill for Claude Code, Codex from paruff/uFawkesAI. It costs 38 tokens per session (537 once invoked), scanned A, original, MIT.

A security skill for finding secrets in source code, Git history, container layers, logs, artifacts, and GitOps repositories, while also checking artifact integrity.

In plain words
What is it for?
It scans for API keys, tokens, passwords, and private keys, verifies artifacts, and records false positives and results.
Why use it?
It addresses leaks that can occur outside the current source files, including old commits and packaged software. It also checks that build artifacts have not been altered.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Claude Code; installed under .agents/ (shared by several agents); mentions Codex.

Good fit It scans for API keys, tokens, passwords, and private keys, verifies artifacts, and records false positives and results.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/paruff/ufawkesai/secret-detection
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 paruff/uFawkesAI --skill secret-detection
Clone the repo
git clone --depth 1 https://github.com/paruff/uFawkesAI

Made for: Claude Code, Codex.

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 secret-detection

README.md
[![agentmods](https://agentmods.dev/badge/skills/paruff/ufawkesai/secret-detection/github.svg)](https://agentmods.dev/skills/paruff/ufawkesai/secret-detection)
Your own site
<a href="https://agentmods.dev/skills/paruff/ufawkesai/secret-detection"><img src="https://agentmods.dev/badge/skills/paruff/ufawkesai/secret-detection/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 secret-detection

Your own site · 80×15
<a href="https://agentmods.dev/skills/paruff/ufawkesai/secret-detection"><img src="https://agentmods.dev/badge/skills/paruff/ufawkesai/secret-detection.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 537 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 $0.00038 $0.00537
Opus 5 $0.00019 $0.00269
Sonnet 5 $0.00008 $0.00107
Haiku 4.5 $0.00004 $0.00054

Measured 8d ago against content hash 02ee7a75adbc, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

secret-detection 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 8d 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.

.agents/skills/security-testing/secret-detection/SKILL.md · 82 lines

What it actually says

Skill: Secret Detection & Artifact Integrity

Load trigger: "load secret-detection skill" > DORA: Cap 1 (AI Policy) Token cost: Low

Purpose

Ensure no secrets leak into source code, logs, artifacts, or GitOps repos.

Responsibilities

  • Scan source code for secrets
  • Scan Git history
  • Scan container layers
  • Validate artifact integrity

Inputs

  • Source code
  • Git repo
  • Container image

Outputs

  • secrets.json
  • integrity.json

Sub-Skills

Skill Purpose
secret-detection/gitleaks Gitleaks secret scanning
secret-detection/integrity Artifact integrity validation

Secret Types Detected

Type Pattern
API Keys api[_-]?key, apikey
Tokens token, bearer, jwt
Passwords password, passwd, pwd
Private Keys BEGIN.*PRIVATE KEY
AWS Keys AKIA[0-9A-Z]{16}
GitHub Tokens ghp_[0-9a-zA-Z]{36}
Slack Tokens xox[baprs]-[0-9a-zA-Z-]+

Validation Rules

  • No secrets in source code
  • No secrets in Git history
  • No secrets in container layers
  • All artifacts integrity-verified
  • Secrets documented if false positive

Output Format

{
  "skill": "secret-detection",
  "status": "pass | fail",
  "gitleaks": { "findings": 0, "critical": 0 },
  "container_secrets": 0,
  "artifacts_verified": 5,
  "issues": []
}

Success Criteria

  • No secrets found
  • All artifacts integrity-verified
Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 8d ago First seen · 82 lines · 38 tokens per session scan A 02ee7a75adbc

Subscribe to this mod's changes

secret-detection is a skill published in the GitHub repository paruff/uFawkesAI (2 stars, last pushed 19d ago), licensed MIT. It adds 38 tokens to every session and 537 once invoked, about $0.0002 per session on Opus 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 2026-09-03.

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