Production integration skills for Stripe, crypto payments, ad tracking, Google auth, Sentry, and Core Web Vitals.
Skill Claude CodeCodex
Use when setting up or modifying ad pixel integration, conversion tracking, consent management, purchase event tracking, retargeting audiences, or auditing an existing advertising analytics stack. Covers Google Analytics 4, Google Ads, Meta (Facebook) Pixel and LinkedIn Insight Tag in web applications: Consent Mode…
Skill Claude CodeCodex
Use when adding or auditing crypto checkout, crypto top-up, or payment webhooks — where a payer sends the wrong amount, a webhook arrives more than once, and the rate moves between quote and transfer. Covers invoice lifecycle and status mapping, webhook signature verification and the JSON-escaping trap, idempotent…
Skill Claude CodeCodex
Use when wiring error tracking into a product — adding Sentry to a service, deciding what a DSN is and where it may live, keeping secrets out of events before they reach a third party, tying releases to commits so a stack trace names the change that caused it, or judging whether a green health check means anything.…
Skill Claude CodeCodex
Use when building or auditing web pages for performance — running PageSpeed Insights, optimizing Lighthouse scores, fixing render-blocking resources, reducing bundle size, improving load times, or diagnosing slow page rendering. Covers Core Web Vitals (LCP, INP, CLS) and the Lighthouse diagnostics beside them (FCP…
Skill Claude CodeCodex
Use when a server authenticates to Google in a Node.js or Python application — OAuth 2.0 flows, verifying Google ID tokens server-side, service account authentication and keys, Application Default Credentials, Workload Identity Federation, API keys, or working with google-auth-library (Node.js) or google-auth…
Skill Claude CodeCodex
Use when implementing, reviewing or debugging Google login / sign-in / sign-up on a website — wiring the GIS button or One Tap, verifying Google ID tokens on the server, linking Google to existing password accounts, or fixing "origin is not allowed for the given client ID". Covers GCP OAuth client setup, backend…
Skill Claude CodeCodex
Use when connecting a product to Stripe, or auditing a live integration: checkout, renewals, seats, proration, refunds, cancellation and the coupon offered at the cancel step, the portal, and the webhook that turns a payment into an entitlement in your database. Covers Stripe's agent toolchain, the pinned API version…