Master FPGA skill covering Vivado, SystemVerilog/Verilog/VHDL, RTL design, timing closure, CDC, AXI interfaces, FSMs, pipelines, memory interfaces, HLS, verification, and hardware optimization. Uses Context7 MCP for up-to-date library docs. Use when FPGA, Verilog, VHDL, HDL, RTL, synthesis, or hardware design mentioned.
Use when setting up PostHog analytics, feature flags, experiments, or querying PostHog data. Triggers on PostHog, PostHog event, PostHog feature flag, PostHog experiment, A/B test PostHog, HogQL, PostHog funnel, PostHog dashboard, PostHog LLM cost, posthog.capture, isFeatureEnabled, PostHog MCP, PostHog survey, PostHog error tracking.
Use when setting up Clerk authentication, configuring auth middleware, protecting routes, or handling Clerk webhooks. Triggers on Clerk, Clerk auth, ClerkProvider, auth middleware, protected routes, Clerk webhook, Svix, sign-in, sign-up, Clerk token, getToken, Clerk secret key, publishable key, Clerk setup, CAPTCHA signup, Clerk Next.js, Clerk React, Clerk Expo, user.created event, session management, Clerk identity.
Use for any server-side API or data persistence work. Triggers on REST endpoints, GraphQL resolvers, DataLoader, Node.js, Express, Fastify, API design, pagination, filtering, sorting, databases, SQL, PostgreSQL, indexes, EXPLAIN ANALYZE, query optimization, Prisma, Drizzle, TypeORM, SQLAlchemy, ORM, N+1 queries, migrations, Alembic, schema design, data modeling, normalization, JWT, OAuth, authentication, authorization, rate limiting, Redis, caching, message queues, BullMQ, Kafka, RabbitMQ, webhooks, idempotency, signatures, microservices, multi-tenant, row-level security.
Use when automating Chrome browser interactions, taking screenshots, filling forms, or verifying UI visually. Triggers on browser automation, take screenshot, screenshot page, fill form, click button, navigate to URL, Chrome DevTools, use_browser, visual verification, desktop and mobile screenshot, OAuth flow in browser, email verification flow, extract page content, DOM inspection, multi-tab browsing, form submit, CSS selector, headless Chrome, browser profile, login flow, signup flow.
Use when working with Docker, Kubernetes, Terraform, CI/CD, cloud providers (AWS/GCP/Azure), serverless, observability, bash/shell scripts (getopts, strict mode, traps), systemd, or infrastructure tooling. Also covers Helm, GitHub Actions, GitLab CI, Lambda, Cloud Run, ECS, EKS, GKE, nginx, DNS, SSL, Prometheus, Grafana, OpenTelemetry, FinOps, GitOps, ArgoCD, service mesh, Istio, BATS testing, ShellCheck, cron, awk, sed, curl, parallel execution, signal handling, process management.
Run completion council to verify work quality. Use after major implementation tasks, before declaring work done. Triggers on: verify completion, completion council, is this done, review the work, council review, check if complete, verify work, are we done, sign off, final review, acceptance review, quality gate.
Use when creating charts, plots, graphs, dashboards, Excel reports with openpyxl, infographics, generative art, statistical plots, animations, heatmaps, treemaps, sankey diagrams, choropleth maps, geographic maps, network graphs, D3.js custom visualizations, or accessible data visualizations (WCAG, colorblind-safe palettes, alt text for charts). Tools: matplotlib, plotly, seaborn, D3, Dash, p5.js, openpyxl, Pillow, Folium, NetworkX, bokeh.