Skill Claude CodeCodex
Use when writing or reviewing TypeScript tests, choosing between unit, contract, integration, and end-to-end layers, isolating database or HTTP seams, or fixing flaky, non-hermetic, or mis-layered test suites.
Skill Claude CodeCodex
Ensures all public TypeScript functions, variables, types, and modules are clearly documented with their purpose and provided APIs.
Skill Claude CodeCodex
Use when authoring or reviewing production TypeScript modules, choosing layer and suffix boundaries, modeling domain objects and ports, deciding error ownership, or wiring validation and observability at system boundaries.
Skill Claude CodeCodex
Design and audit TypeScript types as a modeling discipline — making illegal states unrepresentable and encoding domain truth — NOT as a mechanical lint pass. Use whenever the user is modeling a new type, reviewing or refactoring existing types, or asking whether a type is well shaped: "how should I model X", "is this…
Skill Claude CodeCodex
Provides structured error handling patterns for TypeScript, drawing from ZIO principles. Helps distinguish between expected domain errors and unexpected defects. Use when designing API boundaries, handling complex failure scenarios, deciding between thrown exceptions and result types (neverthrow), or ensuring…
Skill Claude CodeCodex
TypeScript test file suffixes, directory layout, tier targeting, and mechanical enforcement. Encodes the .spec tier-suffix policy (.spec.ts, .int.spec.ts, .func.spec.ts, .contract.spec.ts, .e2e.spec.ts), test/support/ conventions (builders/seeds/fakes/stubs/ spies/msw), and audit scripts. Use when naming TS test…
Skill Claude CodeCodex
Configure Vitest in monorepo workspaces with correct workspace root, import.meta.url pattern, and workspace-relative include paths. Use when Vitest shows 0 tests, test discovery fails, or setting up vitest.config.ts in npm/yarn/pnpm workspaces.
Skill Claude CodeCodex
Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".
Skill Claude CodeCodex
Reclaim disk space from git worktree pools by deleting reproducible nodemodules trees from worktrees that show no sign of active work, gated on clean tree, fully-pushed commits, no open files, idleness, and a sibling lockfile. Use when a worktree directory has grown to many GB, when asked why /worktrees is so large…
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: