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 sanjaysaini1952/BugBounty-Arsenal --skill security-headersgit clone --depth 1 https://github.com/sanjaysaini1952/BugBounty-ArsenalWrote 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/sanjaysaini1952/bugbounty-arsenal/security-headers)<a href="https://agentmods.dev/skills/sanjaysaini1952/bugbounty-arsenal/security-headers"><img src="https://agentmods.dev/badge/skills/sanjaysaini1952/bugbounty-arsenal/security-headers/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/sanjaysaini1952/bugbounty-arsenal/security-headers"><img src="https://agentmods.dev/badge/skills/sanjaysaini1952/bugbounty-arsenal/security-headers.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00000 | $0.00389 |
| Opus 5 | $0.00000 | $0.00195 |
| Sonnet 5 | $0.00000 | $0.00078 |
| Haiku 4.5 | $0.00000 | $0.00039 |
Grade A, and why
security-headers 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 12d 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.
What it actually says
Security Headers Analysis Skill — 6 Test Cases
Load when: security headers, HSTS, CSP, X-Frame-Options, X-Content-Type-Options.
236. Missing security headers (easy)
Check for: Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, X-XSS-Protection, Referrer-Policy, Permissions-Policy.
237. Weak CSP (medium)
Analyze CSP for: unsafe-inline, unsafe-eval, *, data:, blob:, whitelisted CDN with XSS. Report bypass opportunities.
238. Missing HSTS (easy)
Check for Strict-Transport-Security header. If missing, report SSL stripping vulnerability.
239. Missing X-Frame-Options (easy)
Check for X-Frame-Options or CSP frame-ancestors. If missing, report clickjacking vulnerability.
240. Missing X-Content-Type-Options (easy)
Check for X-Content-Type-Options: nosniff. If missing, report MIME sniffing vulnerability.
241. Information disclosure in headers (easy)
Check for: Server, X-Powered-By, X-AspNet-Version, X-Generator. Report technology disclosure.
Required Security Headers
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
Content-Security-Policy: default-src 'self'; script-src 'self'
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Referrer-Policy: strict-origin-when-cross-origin
Permissions-Policy: camera=(), microphone=(), geolocation=()
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.
- 12d ago First seen · 35 lines · 0 tokens per session scan A ea7e9362a610
security-headers is a skill published in the GitHub repository sanjaysaini1952/BugBounty-Arsenal (2 stars, last pushed 1mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 389 tokens. 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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