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 commands/joshsymonds/nix-config/validategit clone --depth 1 https://github.com/joshsymonds/nix-configWrote 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/commands/joshsymonds/nix-config/validate)<a href="https://agentmods.dev/commands/joshsymonds/nix-config/validate"><img src="https://agentmods.dev/badge/commands/joshsymonds/nix-config/validate.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 | $0.00005 | $0.00222 |
| Opus 5 | $0.00003 | $0.00111 |
| Sonnet 5 | $0.00001 | $0.00044 |
| Haiku 4.5 | $0.00001 | $0.00022 |
Grade A, and why
validate 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.
What it actually says
Implementation Validation
Ultrathink and thoroughly validate the implementation we just completed
Validation Criteria
Start with: "Let me ultrathink about this implementation and examine the code closely"
1. Task Completeness
- All requirements fully implemented
- Edge cases properly handled
- No missing functionality
2. Code Quality
- Idiomatic for the language
- Proper error handling and resource management
- Functions appropriately sized and focused
3. Architecture Integrity
- No duplicate code paths or reinvented wheels
- Consistent with existing patterns
- No over-engineering or unnecessary abstractions
4. Hidden Issues
- Race conditions or concurrency bugs
- Security vulnerabilities
- Performance bottlenecks
- Missing critical test coverage
Response Format
Be direct and honest:
✅ Done Well: Specific achievements ⚠️ Issues Found: Problems with severity 📊 Verdict: Is the implementation truly complete?
If issues exist, offer to fix them immediately.
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.
- 4d ago First seen · 43 lines · 5 tokens per session scan A f2f40d7722e3
validate is a command published in the GitHub repository joshsymonds/nix-config (835 stars, last pushed 7d ago), licensed MIT. It adds 5 tokens to every session and 222 once invoked, about $0.0000 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 2026-08-30.
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