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 Goldziher/ai-rulez --skill typescript-conventionsgit clone --depth 1 https://github.com/Goldziher/ai-rulezWrote 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/goldziher/ai-rulez/typescript-conventions)<a href="https://agentmods.dev/skills/goldziher/ai-rulez/typescript-conventions"><img src="https://agentmods.dev/badge/skills/goldziher/ai-rulez/typescript-conventions/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/goldziher/ai-rulez/typescript-conventions"><img src="https://agentmods.dev/badge/skills/goldziher/ai-rulez/typescript-conventions.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 | $0.00050 | $0.00380 |
| Opus 5 | $0.00025 | $0.00190 |
| Sonnet 5 | $0.00010 | $0.00076 |
| Haiku 4.5 | $0.00005 | $0.00038 |
Grade A, and why
typescript-conventions 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 9d 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
strict: true+noUncheckedIndexedAccessin tsconfig, neverany— useunknownwith type guards.- ESM imports only,
constoverlet,as constfor literals,interfaceovertypefor objects. import typefor type-only imports to avoid runtime overhead. Discriminated unions for type-safe state.- Formatting/linting: a formatter + linter (e.g., Prettier + ESLint, or Biome). Type checking:
tsc --noEmitin CI. - Testing: a fast test runner (e.g., Vitest or Jest), 80%+ coverage. Runtime validation at system boundaries with a schema validator (e.g., Zod).
- Error handling: discriminated unions for expected errors, throw only for unexpected.
- Package manager: a lockfile-based package manager (npm, pnpm, or yarn) with the lockfile committed, build: a bundler (e.g., tsup or esbuild).
- Monorepo: workspace protocol (
workspace:*), shared tsconfig base, a workspace manifest (e.g.,pnpm-workspace.yaml). - Node.js:
node:prefix for core modules,fetchoveraxios. - Security:
npm audit/pnpm auditfor dependency CVE scanning. Zero tolerance for critical/high vulnerabilities. - Anti-patterns: non-null assertions (
!), type assertions (as),enum(use unions),@ts-ignore.
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.
- 9d ago First seen · 17 lines · 50 tokens per session scan A de6f7d7e2812
typescript-conventions is a skill published in the GitHub repository Goldziher/ai-rulez (140 stars, last pushed yesterday), licensed MIT. It adds 50 tokens to every session and 380 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 2026-08-30.
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