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.
npx skills add BagelHole/DevOps-Security-Agent-Skills --skill sast-scanninggit clone --depth 1 https://github.com/BagelHole/DevOps-Security-Agent-SkillsWrote 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.
[](https://agentmods.dev/skills/bagelhole/devops-security-agent-skills/sast-scanning)<a href="https://agentmods.dev/skills/bagelhole/devops-security-agent-skills/sast-scanning"><img src="https://agentmods.dev/badge/skills/bagelhole/devops-security-agent-skills/sast-scanning/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.
<a href="https://agentmods.dev/skills/bagelhole/devops-security-agent-skills/sast-scanning"><img src="https://agentmods.dev/badge/skills/bagelhole/devops-security-agent-skills/sast-scanning.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00053 | $0.02367 |
| Opus 5 | $0.00026 | $0.01184 |
| Sonnet 5 | $0.00011 | $0.00473 |
| Haiku 4.5 | $0.00005 | $0.00237 |
Grade A, and why
sast-scanning 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 6d 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.
How it starts
The opening of the file, as written. The whole thing — 420 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SAST Scanning
Identify security vulnerabilities in source code through static analysis.
When to Use This Skill
Use this skill when:
- Implementing secure SDLC practices
- Adding security gates to CI/CD
- Automating code security reviews
- Finding vulnerabilities before deployment
- Meeting compliance requirements
Prerequisites
- Source code access
- CI/CD pipeline
- SAST tool installation
Tool Comparison
| Tool | License | Languages | Best For |
|---|---|---|---|
| Semgrep | OSS/Commercial | 30+ | Custom rules, speed |
| CodeQL | Free (GitHub) | 10+ | Deep analysis |
| SonarQube | OSS/Commercial | 25+ | Quality + Security |
| Bandit | OSS | Python | Python projects |
| Brakeman | OSS | Ruby | Rails apps |
Semgrep
Installation
# Install via pip
pip install semgrep
# Or via Homebrew
brew install semgrep
Basic Usage
# Run with default rules
semgrep --config auto .
# Run specific rulesets
semgrep --config p/security-audit .
semgrep --config p/owasp-top-ten .
semgrep --config p/ci .
# Scan specific languages
semgrep --config p/python .
semgrep --config p/javascript .
# Output formats
semgrep --config auto --json -o results.json .
semgrep --config auto --sarif -o results.sarif .
Custom Rules
# .semgrep/custom-rules.yaml
rules:
- id: hardcoded-password
patterns:
- pattern-either:
- pattern: password = "..."
- pattern: PASSWORD = "..."
- pattern: passwd = "..."
message: Hardcoded password detected
severity: ERROR
languages: [python, javascript, java]
metadata:
cwe: "CWE-798"
owasp: "A3:2017"
- id: sql-injection
patterns:
- pattern: |
$QUERY = "..." + $USER_INPUT + "..."
$DB.execute($QUERY)
message: Potential SQL injection
severity: ERROR
languages: [python]
metadata:
cwe: "CWE-89"
- id: insecure-random
pattern: random.random()
message: Use secrets module for security-sensitive randomness
severity: WARNING
languages: [python]
fix: secrets.token_hex()
What ships with it
1 file 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.
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.
- 6d ago First seen · 420 lines · 53 tokens per session scan A 623ed8661f7e
sast-scanning is a skill published in the GitHub repository BagelHole/DevOps-Security-Agent-Skills (1,071 stars, last pushed 3mo ago), licensed MIT. It adds 53 tokens to every session and 2,367 once invoked, about $0.0003 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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