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 hookdeck/webhook-skills --skill gitea-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/gitea-webhooks)<a href="https://agentmods.dev/skills/hookdeck/webhook-skills/gitea-webhooks"><img src="https://agentmods.dev/badge/skills/hookdeck/webhook-skills/gitea-webhooks/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/hookdeck/webhook-skills/gitea-webhooks"><img src="https://agentmods.dev/badge/skills/hookdeck/webhook-skills/gitea-webhooks.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 | $0.00060 | $0.01755 |
| Opus 5.5 | $0.00024 | $0.00702 |
| Sonnet 5.5 | $0.00012 | $0.00351 |
| Haiku 4.5 | $0.00006 | $0.00176 |
Grade A, and why
gitea-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 7d 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
89% identical to adyen-webhooks — 175 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 — 140 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Gitea Webhooks
When to Use This Skill
- How do I receive Gitea webhooks?
- How do I verify the
X-Gitea-Signatureheader? - Why is my Gitea webhook signature verification failing?
- How do I handle
push,pull_request,issues,issue_comment,create,deleteorreleaseevents from Gitea? - How do I handle Gitea webhooks sent as
application/x-www-form-urlencoded?
Verification (core)
Gitea signs the raw request body with HMAC-SHA256 keyed on the webhook Secret. X-Gitea-Signature is the bare lowercase hex digest (no sha256= prefix). If no secret is configured, the header is still sent but empty, so reject an empty signature. Gitea also sends the GitHub-style X-Hub-Signature-256 (sha256=<hex>) with the same digest; this skill verifies X-Gitea-Signature.
Node:
const crypto = require('crypto');
function verify(rawBody, signature, secret) {
if (!signature || !secret) return false; // empty header = no secret configured
const expected = crypto.createHmac('sha256', secret).update(rawBody).digest('hex');
try {
return crypto.timingSafeEqual(Buffer.from(signature), Buffer.from(expected));
} catch {
return false; // length mismatch
}
}
Python:
import hmac, hashlib
def verify(raw_body: bytes, signature: str, secret: str) -> bool:
if not signature or not secret:
return False
expected = hmac.new(secret.encode(), raw_body, hashlib.sha256).hexdigest()
return hmac.compare_digest(signature.encode(), expected.encode())
Gitea can send JSON (application/json) or form-encoded (application/x-www-form-urlencoded, JSON in a payload field). The signature covers the raw body either way, so read the raw bytes for any content type (in Express: express.raw({ type: '*/*' })) and parse only after verifying.
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 105 B
- examples/express/package.json 366 B
- examples/express/README.md 1.1 KB
- examples/express/src/index.js 3.8 KB runs code
- examples/express/test/webhook.test.js 4.3 KB runs code
- examples/fastapi/.env.example 105 B
- examples/fastapi/main.py 3.4 KB runs code
- examples/fastapi/README.md 1.1 KB
- examples/fastapi/requirements.txt 82 B
- examples/fastapi/test_webhook.py 3.5 KB runs code
- examples/nextjs/.env.example 105 B
- examples/nextjs/app/webhooks/gitea/route.ts 2.9 KB runs code
- examples/nextjs/package.json 511 B
- examples/nextjs/README.md 1.1 KB
- examples/nextjs/test/webhook.test.ts 3.3 KB runs code
- examples/nextjs/vitest.config.ts 140 B runs code
- references/overview.md 2.6 KB
- references/setup.md 1.8 KB
- references/verification.md 2.4 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.
- 7d ago First seen · 140 lines · 60 tokens per session scan A a67ccbb63006
gitea-webhooks is a skill published in the GitHub repository hookdeck/webhook-skills (97 stars, last pushed today), licensed MIT. It adds 60 tokens to every session and 1,755 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 89% identical to adyen-webhooks, differing in 175 lines, and is treated as a copy.
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