Architect
01Agent Claude Code
Software architect: strategic decisions, roadmap planning, ADRs, system design, technology evaluation.
Agent Claude Code
Software architect: strategic decisions, roadmap planning, ADRs, system design, technology evaluation.
Agent Claude Code
Content engineer: CMS schema design, content queries, content modeling, releases, studio customization.
Agent Claude Code
Data engineer: schema design, migrations, security policies, query performance, plus ETL pipelines, crawlers, and data import.
Agent Claude Code
Full-stack developer: pages, components, routing, layouts, API routes and their contracts, server-side logic, feature implementation.
Agent Claude Code
DevOps and release: deployments, CI/CD, cron jobs, security headers, caching, environment variables, plus pre-release verification and changelogs.
Agent Claude Code
Performance optimization expert: frontend, backend, build performance.
Agent Claude Code
Codebase exploration specialist: deep research, pattern discovery, git archaeology, context gathering before implementation. Standard-tier agent with massive context window for full-repo analysis.
Agent Claude Code
Mandatory fast reviewer: validates every agent delegation output before acceptance. Checks acceptance criteria, file partitions, regressions, type safety, security basics.
Agent Claude Code
Security expert: authentication, authorization, data access policies, security headers, input validation, API security, vulnerability management.
Agent Claude Code
Coordinates work that spans several areas: plans it, hands each part to the specialist agent that fits, checks every result, and delivers one reviewed pull request.
Agent Claude Code
Testing expert: E2E tests, integration tests, browser validation, test suites via browser automation, test file authoring.
Agent Claude Code
UI/UX expert: designs, builds accessible, consistent UI components with deep design system knowledge.
Agent Claude Code
Writer: user-facing copy, project documentation, and search metadata — UI microcopy, error messages, docs, roadmaps, meta tags, structured data.
Skill Claude CodeCodex
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.
Skill Claude CodeCodex
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.
Skill Claude CodeCodex
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.
Skill Claude CodeCodex
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.
Skill Claude CodeCodex
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.
Skill Claude CodeCodex
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.
Skill Claude CodeCodex
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.
Skill Claude CodeCodex
Three isolated reviewers vote PASS or BLOCK on a high-risk change; the majority decides, and every MUST-FIX any of them raises is fixed. Use for changes to auth, payments, data migrations or anything that deletes data, after a third fast-review FAIL, or when someone asks for an independent panel.
Skill Claude CodeCodex
Security rules for authentication, authorization, data access policies, input handling, headers and CSP, secrets and scheduled routes. Use when building an auth flow, adding an endpoint or handler, writing access policies, setting security headers, handling user input, or auditing security.
Skill Claude CodeCodex
Keeps the team's memory: where what you learned goes (your memory, shared with the team when it is about the project, a lesson in .opencastle/lessons/, or a team skill for a procedure), and how lessons are cited, re-verified and graduated. Use when you confirm something true for anyone working in the repository (a fix…
Skill Claude CodeCodex
Technical SEO: meta tags, Open Graph, canonical URLs, JSON-LD structured data, sitemaps and robots.txt. Use when adding or fixing any of these, or when pages are not being crawled or indexed.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: