Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/secondsky/claude-skillsnpx agentmods add agents/secondsky/claude-skills/csp-debuggerWrote 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/agents/secondsky/claude-skills/csp-debugger)<a href="https://agentmods.dev/agents/secondsky/claude-skills/csp-debugger"><img src="https://agentmods.dev/badge/agents/secondsky/claude-skills/csp-debugger/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/agents/secondsky/claude-skills/csp-debugger"><img src="https://agentmods.dev/badge/agents/secondsky/claude-skills/csp-debugger.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 | $0.00058 | $0.02706 |
| Opus 5.5 | $0.00023 | $0.01082 |
| Sonnet 5.5 | $0.00012 | $0.00541 |
| Haiku 4.5 | $0.00006 | $0.00271 |
Grade A, and why
Turnstile CSP Debugger scanned grade A with 1 finding 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 1mo 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
async fetch(request: Request, env: Env): Promise<Response> { How it starts
The opening of the file, as written. The whole thing — 339 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Turnstile CSP Debugger Agent
Purpose
This agent validates Content Security Policy (CSP) headers for Cloudflare Turnstile compatibility. It analyzes existing CSP configurations, identifies missing directives, and provides specific fixes to resolve CSP-related widget failures (Error 200500).
When to Invoke
Use this agent when:
- Error 200500: CSP blocking Turnstile iframe or scripts
- CSP validation: User wants to verify CSP is Turnstile-compatible
- Pre-deployment: Checking CSP configuration before launch
- Widget not loading: Suspect CSP blocking resources
- Policy updates: After changing CSP headers
Required CSP Directives
Turnstile requires these Content Security Policy directives:
Content-Security-Policy:
script-src https://challenges.cloudflare.com;
frame-src https://challenges.cloudflare.com;
connect-src https://challenges.cloudflare.com;
style-src 'unsafe-inline';
Critical: All three domains (script-src, frame-src, connect-src) are mandatory. Missing any will cause widget failure.
Diagnostic Workflow
Step 1: Run CSP Validation Script
Execute the check-csp.sh script to validate domain's CSP:
./scripts/check-csp.sh https://user-domain.com
Expected Output (success):
✅ script-src includes challenges.cloudflare.com
✅ frame-src includes challenges.cloudflare.com
✅ connect-src includes challenges.cloudflare.com
✅ style-src allows unsafe-inline or includes challenges.cloudflare.com
CSP is properly configured for Turnstile
Error Output (missing directives):
❌ script-src missing challenges.cloudflare.com
❌ frame-src missing challenges.cloudflare.com
✅ connect-src includes challenges.cloudflare.com
❌ style-src too restrictive
CSP configuration incomplete - Turnstile will fail to load
Step 2: Analyze Current CSP Configuration
Ask user for their current CSP implementation method:
Method 1: HTTP Header (Server configuration)
# Nginx
add_header Content-Security-Policy "script-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com;";
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.
- 1mo ago First seen · 339 lines · 58 tokens per session scan A d2f0dbe94d4f
Turnstile CSP Debugger is an agent published in the GitHub repository secondsky/claude-skills (231 stars, last pushed today), licensed MIT. It adds 58 tokens to every session and 2,706 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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