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 agentmods add skills/nomarj/sigil/scan-filenpx skills add NOMARJ/sigil --skill scan-filegit clone --depth 1 https://github.com/NOMARJ/sigilWrote 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/nomarj/sigil/scan-file)<a href="https://agentmods.dev/skills/nomarj/sigil/scan-file"><img src="https://agentmods.dev/badge/skills/nomarj/sigil/scan-file.svg" alt="Measured on agentmods" height="20"></a>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 | $0.00108 | $0.00296 |
| Opus 5 | $0.00054 | $0.00148 |
| Sonnet 5 | $0.00022 | $0.00059 |
| Haiku 4.5 | $0.00011 | $0.00030 |
Grade A, and why
scan-file scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Scan File with Sigil
Analyze a specific file for security vulnerabilities:
Target: "$ARGUMENTS"
Run: sigil scan <file-path> on the specified file.
Check for:
- Code Patterns - eval, exec, pickle, subprocess
- Network Access - HTTP requests, webhooks, socket connections
- Credential Exposure - API keys, tokens, hardcoded secrets
- Obfuscation - base64 encoding, hex strings, charCode
- Dangerous Imports - suspicious modules or libraries
Present findings with:
- Severity level (CLEAN, LOW, MEDIUM, HIGH, CRITICAL)
- Line numbers and code snippets
- Risk explanation
- Remediation recommendations
If the file is CRITICAL or HIGH risk, explain the specific threat and recommend quarantine.
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.
- today First seen · 29 lines · 108 tokens per session scan A c14238ecb280
scan-file is a skill published in the GitHub repository NOMARJ/sigil (5 stars, last pushed today), licensed Apache-2.0. It adds 108 tokens to every session and 296 once invoked, about $0.0005 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 2026-09-04.
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