Add Webhooks Automatically

The problem

Integrating webhooks manually often leads to insecure endpoints, missing signature verification, and race conditions. Developers frequently struggle with idempotency, handling retries, and keeping secrets out of version control.

What it does

• Detects your application stack and routing conventions to scaffold native webhook handlers.
• Implements mandatory signature verification and raw body preservation for secure provider handshakes.
• Adds idempotency logic and event ID tracking to prevent duplicate processing.
• Configures outgoing webhook retries with bounded backoff and configurable timeouts.
• Generates environment variable placeholders and updates test suites without hardcoding secrets.

Frameworks & tools

Works with any stack including Node.js (Express, NestJS), Python (FastAPI, Django), Ruby on Rails, and PHP. Supports integrations for Stripe, GitHub, Slack, Shopify, and custom providers.

Why this beats prompting it yourself

Standard LLMs often overlook the nuances of webhook security, such as raw body requirements for HMAC verification or the need for background task offloading. This skill enforces a security-first architecture, ensuring your endpoints aren't just functional, but production-ready and resilient to failures.

Use cases

• Adding a Stripe checkout completion handler with signature verification.
• Building a GitHub App that responds to push events via repository webhooks.
• Setting up reliable outgoing Slack notifications with automated retries.
• Repairing a broken webhook integration that lacks proper error handling.

Known limitations

Requires an existing project structure to detect conventions. Cannot verify external delivery without user-provided sandbox credentials.