test-security-fixtures

test-security-fixtures is a skill for Claude Code, Codex from JNZader/repoforge. It costs 28 tokens per session (385 once invoked), scanned A, original, MIT.

Testing guidance for security scenarios using prepared content and test users. It includes a scanner pattern for finding possible application vulnerabilities.

In plain words
What is it for?
Use it when retrieving test users, scanning an application for vulnerabilities, or running security tests with pytest.
Why use it?
It avoids unreliable or risky security tests based on hardcoded user data.

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/jnzader/repoforge/test_security
Any agent
npx skills add JNZader/repoforge --skill test_security
Clone the repo
git clone --depth 1 https://github.com/JNZader/repoforge

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 test-security-fixtures

README.md
[![agentmods](https://agentmods.dev/badge/skills/jnzader/repoforge/test_security.svg)](https://agentmods.dev/skills/jnzader/repoforge/test_security)
Your own site
<a href="https://agentmods.dev/skills/jnzader/repoforge/test_security"><img src="https://agentmods.dev/badge/skills/jnzader/repoforge/test_security.svg" alt="Measured on agentmods" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 385 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 $0.00028 $0.00385
Opus 5 $0.00014 $0.00192
Sonnet 5 $0.00006 $0.00077
Haiku 4.5 $0.00003 $0.00038

Measured 4d ago against content hash 5a461322faae, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

test-security-fixtures 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.

.claude/skills/main/test_security/SKILL.md · 80 lines

What it actually says

test-security-fixtures

This skill covers patterns for testing security using crafted content.

Trigger: Load this skill when working with test_security scenarios.

Quick Reference

Task Pattern
Get users for testing get_users()
Scan for vulnerabilities scanner()

Critical Patterns (Summary)

  • Get Users: Retrieve user data for security tests.
  • Vulnerability Scanner: Execute a scan to identify security issues.

Critical Patterns (Detailed)

Get Users for Testing

This pattern retrieves user data necessary for conducting security tests.

# Example of retrieving users
users = get_users()

Vulnerability Scanner

This pattern executes a scan to identify potential security vulnerabilities in the application.

# Example of running the scanner
results = scanner()

When to Use

  • When you need user data for security testing.
  • When scanning for vulnerabilities in your application.

Commands

pytest tests/test_security.py

Anti-Patterns

Don't: Hardcode User Data

Hardcoding user data can lead to security risks and unreliable tests.

# BAD
users = ["admin", "user1", "user2"]
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 First seen · 80 lines · 28 tokens per session scan A 5a461322faae

Subscribe to this mod's changes

test-security-fixtures is a skill published in the GitHub repository JNZader/repoforge (5 stars, last pushed 10d ago), licensed MIT. It adds 28 tokens to every session and 385 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 2026-08-31.

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