security

A guide for finding and reducing security problems in software, from unsafe inputs to exposed credentials and vulnerable dependencies.

In plain words
What is it for?
Use it to scan for vulnerabilities and secrets, review security, validate and clean user input, and harden application code.
Why use it?
It helps review code and project dependencies against common risks, including the OWASP Top 10 list of major web-application vulnerabilities.

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/re-cinq/wave/security
Any agent
npx skills add re-cinq/wave --skill security
Clone the repo
git clone --depth 1 https://github.com/re-cinq/wave

Made for: Claude Code, Codex.

Per session 11 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 62 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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 $0.00011 $0.00062
Opus 5 $0.00005 $0.00031
Sonnet 5 $0.00002 $0.00012
Haiku 4.5 $0.00001 $0.00006

Measured yesterday against content hash 2bf3c3d82028, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

security 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 yesterday.

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.

internal/defaults/embedfs/skills/security/SKILL.md · 14 lines

What it actually says

Security Skill

Provides security expertise for:

  • OWASP Top 10 vulnerability scanning
  • Dependency vulnerability checking
  • Secret detection and credential scanning
  • Input validation and sanitization patterns
  • Security-focused code review
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. yesterday First seen · 14 lines · 11 tokens per session scan A 2bf3c3d82028

Subscribe to this mod's changes

security is a skill published in the GitHub repository re-cinq/wave (20 stars, last pushed 4mo ago), licensed MIT. It adds 11 tokens to every session and 62 once invoked, about $0.0001 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 2026-08-30.

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