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/flavien-ia/hypervibe-harnessnpx agentmods add skills/flavien-ia/hypervibe-harness/_create-cloudflare-workerWrote 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/flavien-ia/hypervibe-harness/_create-cloudflare-worker)<a href="https://agentmods.dev/skills/flavien-ia/hypervibe-harness/_create-cloudflare-worker"><img src="https://agentmods.dev/badge/skills/flavien-ia/hypervibe-harness/_create-cloudflare-worker.svg" alt="Measured on agentmods" 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 | $0.00083 | $0.01703 |
| Opus 5 | $0.00042 | $0.00851 |
| Sonnet 5 | $0.00017 | $0.00341 |
| Haiku 4.5 | $0.00008 | $0.00170 |
Grade A, and why
_create-cloudflare-worker scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
async fetch(request: Request, env: Env, ctx: ExecutionContext): Promise<Response> { How it starts
The opening of the file, as written. The whole thing — 181 lines — stays where its author put it; the contents beside it link to each section on GitHub.
⚠️ Before any call to wrangler (to be done BEFORE any other wrangler command in this skill)
eval "$(node "${CLAUDE_SKILL_DIR}/../../scripts/wrangler-env-init.mjs")"
This line loads CLOUDFLARE_API_TOKEN from the User scope (Windows registry / shell rc on Mac/Linux) if it is not in process.env, and adds the pnpm bin to the PATH (for bash sessions where pnpm setup has not yet propagated). Without it, wrangler fails with "command not found" on Mac (Spotlight), or may use a different Cloudflare account than the one the user expects.
Create Cloudflare Worker - Internal helper
Communication
- Detect the user's language from the conversation (the user's own messages, anywhere in the session - not just this invocation: a bare slash command like
/bootstrapcarries no language signal by itself). If nothing in the conversation gives a signal, fall back to the OS locale (node -e "console.log(Intl.DateTimeFormat().resolvedOptions().locale)") before defaulting to English. ALWAYS reply in that language for every user-facing message: questions, progress, confirmations, summaries, errors - including any example text quoted in this skill, which is illustrative and must be translated, never sent verbatim. - Use plain, non-technical business language. Never expose internal script names (*.mjs) or jargon; describe actions in human terms.
- When generating user-facing content for the scaffolded project (UI labels, emails, copy), write it in the user's language too.
- Show progress as a short natural-language checklist (in-progress and done states).
You scaffold and deploy a Cloudflare Worker inside apps/worker/.
The caller (/add-automation) has already:
- Verified Wrangler is installed and authenticated (
_setup-wrangler) - Converted the project to a monorepo (
_convert-to-turborepo) - Decided whether the worker needs CRON triggers, and provided the cron expression if so
If any of these are not true, refuse and tell the user to invoke /add-automation instead.
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.
- 8d ago First seen · 181 lines · 83 tokens per session scan A 7b5dc04a44ed
_create-cloudflare-worker is a skill published in the GitHub repository flavien-ia/hypervibe-harness (37 stars, last pushed today), licensed Apache-2.0. It adds 83 tokens to every session and 1,703 once invoked, about $0.0004 per session on Opus 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 2026-08-30.
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