clerk-webhooks
Receive and verify Clerk webhooks. Use when setting up Clerk webhook handlers, debugging signature verification, or handling user events like user.created, user.updated, session.created, or organization.created.
88
81%
Does it follow best practices?
Impact
100%
1.47xAverage score across 3 eval scenarios
Advisory
Suggest reviewing before use
Evaluation results
100%
50%User Sync Service with Clerk Webhooks
Express webhook handler setup
standardwebhooks package
0%
100%
express.raw middleware
100%
100%
Header name mapping
0%
100%
Secret format validation
0%
100%
Dual env var support
0%
100%
Missing headers check
100%
100%
Handles user.created
100%
100%
Handles user.updated
100%
100%
Handles user.deleted
100%
100%
Attribution comment
0%
100%
Lowercase header access
100%
100%
Verification error handling
100%
100%
100%
45%Clerk Event Sync for Next.js App
Next.js App Router webhook route
Correct import path
0%
100%
verifyWebhook usage
0%
100%
Dual env var support
0%
100%
Route made public
100%
100%
Handles user.created
100%
100%
Handles user.updated
100%
100%
Handles user.deleted
100%
100%
Attribution comment
0%
100%
Verification error → 400
100%
100%
Success → 200
100%
100%
100%
Clerk Webhook Security Module
Manual signature verification
Signed content format
100%
100%
Secret base64 decoding
100%
100%
HMAC-SHA256 algorithm
100%
100%
Multiple signatures
100%
100%
Timestamp replay window
100%
100%
Missing headers check
100%
100%
Raw body preservation
100%
100%
Invalid signature test
100%
100%
Expired timestamp test
100%
100%
Valid payload test
100%
100%
- Repository
- hookdeck/webhook-skills
- Commit
f8a4801
- Evaluated
- Agent
- Claude Code
- Model
- Claude Sonnet 4.6
Table of Contents
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