opencastle

WCAG 2.2 AA rules for HTML, CSS and React: contrast, keyboard, screen-reader semantics, voice access, forms and tables. Use when building or changing UI components, forms, navigation or any user-facing element.

Conventions for HTTP endpoints, server actions and calls to external APIs: the contract, input validation, error shapes, status codes, versioning, pagination, retries and caching. Use when adding or changing an endpoint or server action, or wiring an external API.

Astro pages, layouts, content collections, hydration directives and integrations. Use when adding or changing Astro pages, components or content collections, or choosing a client: directive.

Browser testing through the Chrome DevTools MCP: navigation, DOM snapshots, scripted assertions, responsive checks, console and performance traces. Use when verifying a UI change in Chrome, checking breakpoints, or reading console errors.

Cloudflare Workers, Pages, wrangler bindings, KV/D1/R2 storage and Durable Objects. Use when building or deploying a Worker or Pages site, editing wrangler.toml, or using KV, D1, R2 or Durable Objects.

Contentful content types, GraphQL/REST queries, CLI migrations, assets and locales. Use when changing a Contentful content model, querying Contentful, or migrating its content.

Convex schemas, queries, mutations, actions, auth, migrations and components. Use when designing a Convex schema, writing Convex functions, setting up Convex auth, or migrating Convex data.

Deploys and manages apps, databases and services on a self-hosted Coolify instance, with env vars, diagnostics and batch operations. Use when deploying to Coolify, debugging a Coolify deployment, or managing its servers.

Cypress E2E and component tests: cy.intercept(), cy.session(), custom commands and CI artifacts. Use when writing or debugging Cypress specs, or running Cypress in CI.

Method for scraping, transforming, validating and loading data through NDJSON. Use when building a scraper or ETL step, validating an NDJSON feed, or importing data into a CMS or database.

Deployment pipelines, environment variables, cron routes, caching headers, releases and rollback. Use when changing CI/CD or platform deploy config (Docker, Vercel, AWS, nginx), env vars or cache headers, or rolling back a release.

Drizzle ORM schemas, type-safe and relational queries, transactions and drizzle-kit migrations for PostgreSQL, MySQL and SQLite. Use when defining a Drizzle schema, writing Drizzle queries, or running drizzle-kit.

Expo and React Native apps: Continuous Native Generation, EAS Build and Update, Expo Router. Use when creating or configuring an Expo app, its EAS builds, native modules, routes or OTA updates.

One independent reviewer checks a change against its acceptance criteria and answers PASS or FAIL before it is accepted. Use before accepting delegated work, before delivering a change, or when someone asks for a review.

Figma design-to-code: design token extraction, component inspection and asset export. Use when implementing a Figma design, extracting its tokens, or checking a component's spec.

Visual direction for distinctive pages: a named aesthetic, type pairing, color and spacing tokens, and motion. Use when designing a landing page, marketing site or UI theme where the look itself matters, not when scaffolding components.

GitHub pull requests, review threads, failing Actions checks and stacked pull requests, through GitHub's MCP server and the gh CLI. Use when opening, reviewing or updating a pull request, fixing a failed check, or splitting a change into a stack.

GitLab merge requests, review threads, failed pipelines and stacked merge requests, through GitLab's MCP server and the glab CLI. Use when opening, reviewing or updating a merge request, fixing a failed pipeline, or splitting a change into a stack.

Branch names, commit messages, pushing and opening a pull request, and working with the task tracker. Use when branching, committing, pushing or opening a PR.

Hetzner Cloud servers, volumes, private networks, firewalls, backups and snapshots, through the hcloud CLI or Pulumi/Terraform. Use when provisioning, resizing or scripting Hetzner resources, or choosing a server type.