cursor-webhooks
Receive and verify Cursor Cloud Agent webhooks. Use when setting up Cursor webhook handlers, debugging signature verification, or handling Cloud Agent status change events (ERROR, FINISHED).
- Installs
- 200
- Last 24h
- —
- Trending rank
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- Security
- Not audited
Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/hookdeck/webhook-skills --skill cursor-webhooks- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads cursor-webhooks automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Cursor Webhooks
When to Use This Skill
- Setting up Cursor Cloud Agent webhook handlers
- Debugging signature verification failures
- Understanding Cursor webhook event types and payloads
- Handling Cloud Agent status change events (ERROR, FINISHED)
Essential Code (USE THIS)
Cursor Signature Verification (JavaScript)
const crypto = require('crypto');
function verifyCursorWebhook(rawBody, signatureHeader, secret) {
if (!signatureHeader || !secret) return false;
// Cursor sends: sha256=xxxx
const [algorithm, signature] = signatureHeader.split('=');
if (algorithm !== 'sha256') return false;
const expected = crypto
.createHmac('sha256', secret)
.update(rawBody)
.digest('hex');
try {
return crypto.timingSafeEqual(Buffer.from(signature), Buffer.from(expected));
} catch {
return false;
}
}
Express Webhook Handler
const express = require('express');
const app = express();
// CRITICAL: Use express.raw() - Cursor requires raw body for signature verification
app.post('/webhooks/cursor',
express.raw({ type: 'application/json' }),
(req, res) => {
const signature = req.headers['x-webhook-signature'];
const webhookId = req.headers['x-webhook-id'];
const event = req.headers['x-webhook-event'];
// Verify signature
if (!verifyCursorWebhook(req.body, signature, process.env.CURSOR_WEBHOOK_SECRET)) {
console.error('Cursor signature verification failed');
return res.status(401).send('Invalid signature');
}
// Parse payload after verification
const payload = JSON.parse(req.body.toString());
console.log(`Received ${event} (id: ${webhookId})`);
// Handle status changes
if (event === 'statusChange') {
console.log(`Agent ${payload.id} status: ${payload.status}`);
if (payload.status === 'FINISHED') {
console.log(`Summary: ${payload.summary}`);
} else if (payload.status === 'ERROR') {
console.error(`Agent error for ${payload.id}`);
}
}
res.json({ received: true });
}
);
Python Signature Verification (FastAPI)
import hmac
import hashlib
from fastapi import Request, HTTPException
def verify_cursor_webhook(body: bytes, signature_header: str, secret: str) -> bool:
if not signature_header or not secret:
return False
# Cursor sends: sha256=xxxx
parts = signature_header.split('=')
if len(parts) != 2 or parts[0] != 'sha256':
return False
signature = parts[1]
expected = hmac.new(
secret.encode(),
body,
hashlib.sha256
).hexdigest()
# Timing-safe comparison
return hmac.compare_digest(signature, expected)
Common Event Types
| Event Type | Description | Common Use Cases |
|---|---|---|
statusChange | Agent status changed | Monitor agent completion, handle errors |
Event Payload Structure
{
"event": "statusChange",
"timestamp": "2024-01-01T12:00:00.000Z",
"id": "agent_123456",
"status": "FINISHED", // or "ERROR"
"source": {
"repository": "https://github.com/user/repo",
"ref": "main"
},
"target": {
"url": "https://github.com/user/repo/pull/123",
"branchName": "feature-branch",
"prUrl": "https://github.com/user/repo/pull/123"
},
"summary": "Updated 3 files and fixed linting errors"
}
Environment Variables
# Your Cursor webhook signing secret
CURSOR_WEBHOOK_SECRET=your_webhook_secret_here
Local Development
For local webhook testing, install Hookdeck CLI:
Then start the tunnel:
npx hookdeck-cli listen 3000 cursor --path /webhooks/cursor
No account required. Provides local tunnel + web UI for inspecting requests.
Resources
overview.md- What Cursor webhooks are, event typessetup.md- Configure webhooks in Cursor dashboardverification.md- Signature verification details and gotchasexamples/- Runnable examples per framework
Recommended: webhook-handler-patterns
For production-ready webhook handling, also use the webhook-handler-patterns skill:
Related Skills
- stripe-webhooks - Stripe webhook handling
- github-webhooks - GitHub webhook handling
- shopify-webhooks - Shopify webhook handling
- openai-webhooks - OpenAI webhook handling
- webhook-handler-patterns - Idempotency, error handling, retry logic
- hookdeck-event-gateway - Webhook infrastructure that replaces your queue — guaranteed delivery, automatic retries, replay, rate limiting, and observability for your webhook handlers
FAQ
What does the cursor-webhooks skill do?
Receive and verify Cursor Cloud Agent webhooks. Use when setting up Cursor webhook handlers, debugging signature verification, or handling Cloud Agent status change events (ERROR, FINISHED).
How do I install cursor-webhooks?
Run npx skills add https://github.com/hookdeck/webhook-skills --skill cursor-webhooks in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/cursor-webhooks/ (personal) or .claude/skills/cursor-webhooks/ (project).
Which AI agents can use cursor-webhooks?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is cursor-webhooks safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains cursor-webhooks?
It is published by hookdeck in hookdeck/webhook-skills. It has 200 recorded installs.
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