Webhooks, Queues & Async Delivery
Build and repair asynchronous delivery across webhooks, queues, background jobs, events, and email workflows. This bundle covers webhook implementation and signatures, safe endpoint changes, job processing, retry contracts, poison-message loops, lost events, and email-suppression behavior. Use it when delivery can be delayed, duplicated, dropped, retried incorrectly, or rejected at boundaries between producers, workers, providers, and consumers.
Works with every agent that reads SKILL.md — Claude Code, Cursor, Codex CLI, Gemini CLI, GitHub Copilot, Windsurf, OpenClaw, and more.
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What's included
8 skills
Automatically add secure webhook integrations to existing apps.
Repair webhook-signature contract drift in a repository using Cursor.
Plan customer webhook endpoint changes without losing, duplicating, reordering, or accepting forged events.
Automatically add background jobs, queues, and scheduled tasks to existing apps.
Repair background-job retry drift in a repository using Cursor.
Repair queue consumers where one bad message loops forever, blocks healthy traffic, or repeatedly crashes the same partition.
Trace and repair events that disappear between producers, outboxes, brokers, consumers, retries, checkpoints, and databases.
Repair suppression drift across consent, unsubscribe, bounce, complaint, recipient identity, provider events, queues, caches, tests, and docs.
See it in action
Add Webhooks Automatically
Example session with this skill installed
Add an incoming Stripe webhook handler to my Express app to handle 'checkout.session.completed' events. Ensure it verifies signatures and uses the existing Redis queue for processing.
- Read your context and instructions
- Compiled the add webhooks automatically
Project Detected: Node.js / Express
Webhook Integration Added
- Stripe
- Incoming
- checkout.session.completed
Security Controls
- stripe-signature verification via raw-body middleware
- STRIPE_WEBHOOK_SECRET env reference
Reliability Controls
- Idempotency check via event ID
- Processing offloaded to BullMQ queue
Files Modified
- src/routes/webhooks.js
- src/middleware/verifyStripe.js
- .env.example
Commands Executed
- npm install stripe
Validation Result
Signature logic and route parsing verified with local mock.
How to Test
npm test src/routes/webhooks.test.js
How to install
Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.
- 1
Download the ZIP
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- 2
Unzip into your skills folder
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- 3
Ask your agent to use it
Restart the agent if it was already running. It picks the skill up automatically - no config needed.
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