Zoom Plugin is a Claude plugin that helps plan, build, and debug Zoom integrations across APIs, SDKs, webhooks, bots, and MCP connections. It is for developers creating Zoom applications, with catalogue entries providing guidance, workflows, and MCP connectors for selecting and implementing the relevant Zoom products.
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/zoom/zoom-pluginnpx agentmods add skills/zoom/zoom-plugin/webhooksWrote 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/zoom/zoom-plugin/webhooks)<a href="https://agentmods.dev/skills/zoom/zoom-plugin/webhooks"><img src="https://agentmods.dev/badge/skills/zoom/zoom-plugin/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/zoom/zoom-plugin/webhooks"><img src="https://agentmods.dev/badge/skills/zoom/zoom-plugin/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 | $0.00038 | $0.01469 |
| Opus 5.5 | $0.00015 | $0.00588 |
| Sonnet 5.5 | $0.00008 | $0.00294 |
| Haiku 4.5 | $0.00004 | $0.00147 |
Grade A, and why
setup-zoom-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 1mo 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
94% identical to setup-zoom-webhooks — 8 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 — 126 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/setup-zoom-webhooks
Background reference for Zoom event delivery over HTTP. Prefer workflow skills first, then use this file for verification, subscription, and delivery details.
Prerequisites
- Zoom app with Event Subscriptions enabled
- HTTPS endpoint to receive webhooks
- Webhook secret token for verification
Need to create/configure the app first? Use Marketplace app management for General App manifest validation, event subscription API setup, webhook vs WebSocket subscription behavior, and app-owned
client_credentialsscopes. Start from the user-managed General App, admin-managed General App, or S2S webhook template.
Need help with authentication? See the zoom-oauth skill for OAuth setup.
Quick Start
// Express.js webhook handler
const crypto = require('crypto');
// Capture raw body for signature verification (avoid re-serializing JSON).
app.use(require('express').json({
verify: (req, _res, buf) => { req.rawBody = buf; }
}));
app.post('/webhook', (req, res) => {
// Verify webhook signature
const signature = req.headers['x-zm-signature'];
const timestamp = req.headers['x-zm-request-timestamp'];
const body = req.rawBody ? req.rawBody.toString('utf8') : JSON.stringify(req.body);
const payload = `v0:${timestamp}:${body}`;
const hash = crypto.createHmac('sha256', WEBHOOK_SECRET)
.update(payload).digest('hex');
if (signature !== `v0=${hash}`) {
return res.status(401).send('Invalid signature');
}
// Handle event
const { event, payload } = req.body;
console.log(`Received: ${event}`);
res.status(200).send();
});
What ships with it
7 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.
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.
- 1mo ago First seen · 126 lines · 38 tokens per session scan A 856e98d76492
setup-zoom-webhooks is a skill published in the GitHub repository zoom/zoom-plugin (7 stars, last pushed 21d ago), licensed MIT. It adds 38 tokens to every session and 1,469 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 94% identical to setup-zoom-webhooks, differing in 8 lines, and is treated as a copy.
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