Claude Code skills, ranked and checked

Sets up Clerk authentication in a project with the Clerk CLI and official quickstarts, or migrates an existing auth system to Clerk.

Routes Clerk questions to the right specialised skill, across CLI operations, custom sign-in flows and framework patterns.

Implements Clerk Organizations for B2B and multi-tenant apps: org switching, roles and permissions, verified domains and enterprise SSO.

Handles Clerk webhooks: verify events and sync user, session, organisation and billing data to your database.

Advanced Clerk patterns for Next.js: middleware, Server Actions and caching.

Guides map design with Mapbox: colour, visual hierarchy, typography and cartographic conventions.

Helps choose the right Mapbox search tool and parameters for geocoding, POI search and location discovery.

Integration patterns for Mapbox GL JS in React, Vue, Svelte and Angular: setup, lifecycle, tokens and search.

Builds or updates a PostHog dashboard from a set of insights through MCP.

Guides the creation of a PostHog experiment: hypothesis, rollout, bucketing, analytics and running time.

Creates and launches PostHog surveys through MCP, including NPS and CSAT popovers and hosted feedback forms.

Adds PostHog error tracking to capture exceptions with stack traces and source maps.

Adds PostHog feature flags so that new functionality can be rolled out safely.

Adds PostHog AI observability to trace LLM calls with token counts, latency and cost.

Adds PostHog product analytics events so that meaningful user actions are captured.

Builds voice and chat AI agents with LiveKit Agents and LiveKit Cloud, including handoffs and workflows.

Writes turn-level tests for a LiveKit agent in pytest or Vitest.

Generates audio with the Runway API: text-to-speech, sound effects, voice isolation and dubbing.

Generates images with the Runway API from text, with optional reference images.

Generates video with the Runway API: text-to-video, image-to-video and video-to-video.

Lets the agent call the Runway API directly to generate media, manage resources and check account state.

Reference for the Prisma ORM 7 CLI: init, generate, migrate, db, dev and studio.

Reference for the Prisma Client API: model queries, filters, operators and client methods.

Guides the migration from Prisma ORM v6 to v7 through all the breaking changes.