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 skills/hookdeck/webhook-skills/bunny-stream-webhooksnpx skills add hookdeck/webhook-skills --skill bunny-stream-webhooksgit clone --depth 1 https://github.com/hookdeck/webhook-skillsWrote 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/hookdeck/webhook-skills/bunny-stream-webhooks)<a href="https://agentmods.dev/skills/hookdeck/webhook-skills/bunny-stream-webhooks"><img src="https://agentmods.dev/badge/skills/hookdeck/webhook-skills/bunny-stream-webhooks.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 | $0.00062 | $0.01822 |
| Opus 5 | $0.00031 | $0.00911 |
| Sonnet 5 | $0.00012 | $0.00364 |
| Haiku 4.5 | $0.00006 | $0.00182 |
Grade A, and why
bunny-stream-webhooks 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.
This is a copy
86% identical to adyen-webhooks — 181 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 152 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Bunny Stream Webhooks
When to Use This Skill
- Setting up Bunny Stream webhook handlers
- How do I verify Bunny Stream webhook signatures?
- Debugging
X-BunnyStream-Signatureverification failures - Handling video state changes (encoding finished, encoding failed)
- Reacting to
Status 3(Finished),Status 5(Failed), captions, or title/description events
Verification (core)
Bunny Stream signs the exact raw request body with HMAC-SHA256, keyed on your video library's Read-Only API key, and sends the digest as lowercase hex in the X-BunnyStream-Signature header. Verify against the unparsed raw body (do NOT re-serialize the JSON — whitespace or key-order changes break the digest) and compare timing-safe.
This is a custom scheme, not Standard Webhooks (no
webhook-id/webhook-timestamp/webhook-signature). It is also distinct from Bunny's general-platform webhooks (HMAC-SHA1,x-bunny-signature) — Stream uses SHA-256 andX-BunnyStream-Signature. There is no official SDK, so verify manually.
Node:
const crypto = require('crypto');
function verifyBunnyStream(rawBody, signatureHeader, secret) {
if (!signatureHeader) return false;
const expected = crypto.createHmac('sha256', secret).update(rawBody).digest('hex');
try {
return crypto.timingSafeEqual(
Buffer.from(signatureHeader, 'hex'),
Buffer.from(expected, 'hex')
);
} catch {
return false; // malformed hex / length mismatch
}
}
Python:
import hmac, hashlib
def verify_bunny_stream(raw_body: bytes, signature_header: str, secret: str) -> bool:
if not signature_header:
return False
expected = hmac.new(secret.encode(), raw_body, hashlib.sha256).hexdigest()
return hmac.compare_digest(signature_header, expected)
For complete handlers with route wiring, event dispatch, and tests, see:
What ships with it
19 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- examples/express/.env.example 194 B
- examples/express/package.json 380 B
- examples/express/README.md 1.1 KB
- examples/express/src/index.js 3.9 KB runs code
- examples/express/test/webhook.test.js 4.9 KB runs code
- examples/fastapi/.env.example 194 B
- examples/fastapi/main.py 3.3 KB runs code
- examples/fastapi/README.md 1.1 KB
- examples/fastapi/requirements.txt 82 B
- examples/fastapi/test_webhook.py 4.6 KB runs code
- examples/nextjs/.env.example 194 B
- examples/nextjs/app/webhooks/bunny-stream/route.ts 3.2 KB runs code
- examples/nextjs/package.json 492 B
- examples/nextjs/README.md 930 B
- examples/nextjs/test/webhook.test.ts 3.4 KB runs code
- examples/nextjs/vitest.config.ts 140 B runs code
- references/overview.md 3.4 KB
- references/setup.md 2.2 KB
- references/verification.md 4.3 KB
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 · 152 lines · 62 tokens per session scan A 0182f6478da8
bunny-stream-webhooks is a skill published in the GitHub repository hookdeck/webhook-skills (84 stars, last pushed yesterday), licensed MIT. It adds 62 tokens to every session and 1,822 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 86% identical to adyen-webhooks, differing in 181 lines, and is treated as a copy.
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