gf-security-check

A detection-only checklist for codebase security and software licensing. It checks dependencies, hardcoded secrets, unsafe code, and license compliance.

In plain words
What is it for?
Use it to scan a project for dependency vulnerabilities, embedded keys, unsafe code, and license problems before release or review.
Why use it?
It exposes common risks and compliance issues without changing the files or hiding findings.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/byx-darwin/gitflow-cli/gf-security-check
Any agent
npx skills add byx-darwin/gitflow-cli --skill gf-security-check
Clone the repo
git clone --depth 1 https://github.com/byx-darwin/gitflow-cli

Made for: Claude Code, Codex.

Per session 53 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,563 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
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 $0.00053 $0.01563
Opus 5 $0.00026 $0.00781
Sonnet 5 $0.00011 $0.00313
Haiku 4.5 $0.00005 $0.00156

Measured 2d ago against content hash 35365bf63bc2, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

gf-security-check scanned grade A with 1 finding 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 2d 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.

Makes network callslowCapability

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

- **Then** suggest install; do not improvise with raw `curl`/`wget`
skills/gf-security-check/SKILL.md · 177 lines

How it starts

The opening of the file, as written. The whole thing — 177 lines — stays where its author put it; the contents beside it link to each section on GitHub.

gf-security-check

Security audit checklist: dependency vulnerabilities, hardcoded secrets, unsafe code, license compliance. Detection only — never auto-fix.

CLI Requirement

MUST use gf CLI, NOT gh CLI.

CLI Scope Platform Support
gf This project GitHub + GitLab + GitCode
gh GitHub only GitHub only

Why: gf is the unified CLI for this project. Using gh breaks GitLab/GitCode compatibility.

Preconditions

  • gf installed: command -v gf
  • gf authenticated: gf auth status

When to Use

English 中文 Context
security audit 安全审计 scan for vulnerabilities
dependency vulns 依赖漏洞 cargo audit
hardcoded secrets 密钥硬编码 grep patterns
license compliance 许可证合规 cargo deny
unsafe code check unsafe 代码检查 grep unsafe

When NOT to Use

Scenario Why Not Use Instead
Auto-fixing vulnerabilities This skill detects and reports only, never patches code /gf-workflow for implementing security fixes
Modifying audit configuration to suppress findings This skill never edits audit.toml or .gitignore User decides on suppression after reviewing findings
Running quality gate checks This skill focuses on security, not general code quality /gf-quality for 6-gate quality verification
Automatically reporting vulnerabilities as Issues This skill requires user confirmation before filing Issues /gf-issue-create after user reviews and approves the report
Scanning non-Rust projects This skill is configured for Rust tooling (cargo audit, cargo deny) Adapt commands for the target language ecosystem
Dismissing CRITICAL findings as transitive This skill triages all findings honestly by severity Non-negotiable — CRITICAL must always be reported

Core Pattern

cargo audit                                              # 1. dependency vulns
cargo deny check                                         # 2. license compliance
grep -rn "password\|secret\|api_key\|token\s*=" src/     # 3. hardcoded secrets
grep -rn "unsafe" --include="*.rs" src/                  # 4. unsafe code

Read the full file on GitHub · 177 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. 2d ago First seen · 177 lines · 53 tokens per session scan A 35365bf63bc2

Subscribe to this mod's changes

gf-security-check is a skill published in the GitHub repository byx-darwin/gitflow-cli (2 stars, last pushed 2d ago), licensed MIT. It adds 53 tokens to every session and 1,563 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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