Show HN: Webhook Skills – Agent skills for webhook providers and best practices(github.com)

Show HN: Webhook Skills – Agent skills for webhook providers and best practices

https://github.com/hookdeck/webhook-skills

I built a collection of webhook skills because AI coding agents are surprisingly bad at webhook integrations. The generated code looks reasonable until you run it, then signature verification fails, raw body handling is wrong, or the middleware order breaks everything.

PostHog's research on LLM code generation (https://posthog.com/blog/correct-llm-code-generation) found that agents produce more reliable code when referencing known-working examples rather than reconstructing from training data. That's the approach here.

`webhook-skills` is a collection of provider-specific webhook implementations and best practices guides built on the Agent Skills spec (agentskills.io):

  - Runnable examples (currently Express, Next.js, FastAPI, with more frameworks coming)
  - Signature verification with provider-specific gotchas documented
  - Best-practice patterns: idempotency, error handling, retry logic
  - 11 providers at launch (Stripe, Shopify, GitHub, OpenAI, Clerk, Paddle, others), expanding based on my needs or requests.

Example:

  # list skills
  npx skills add hookdeck/webhook-skills --list

  # install skills
  npx skills add hookdeck/webhook-skills --skill stripe-webhooks --skill webhook-handler-patterns

Works with Claude Code, Cursor, Copilot. The examples are useful even without an agent: minimal, tested handlers you can copy directly.

PRs welcome for new providers and frameworks. I also built an AI-powered generator that automatically creates new provider skills. Point it at webhook docs, and it researches the signature scheme, generates verification code for each framework, writes tests, and opens a PR.

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