Effect Agent Skills

AI documentation. Use when editing ai-docs/src or regenerating LLMS.md.

Bundle analysis. Use when measuring current bundle size, comparing stable or selected fixtures, inspecting composition, or cleaning retained comparison state.

Changesets. Use after consumer-visible runtime, public API, entrypoint, lifecycle, or wire-format changes, when deciding whether a change is breaking, or when authoring changesets and consumer release notes.

GitHub Actions maintenance. Use when authoring or reviewing workflows or composite actions, especially event, permission, action-reference, artifact, setup, or concurrency changes.

Dependency maintenance. Use when adding, moving, or upgrading dependencies, changing pnpm or JavaScript runtimes, updating TypeScript or build/test tools, or changing native-build policy, patches, or test images.

Effect development guidance. Use when implementing or reviewing code that composes Effect APIs or patterns.

Public API JSDoc. Use when authoring or reviewing Effect API documentation, refining a module's documentation, or fixing documentation related diagnostics.

Use when changing how a v3 public API maps to v4, editing migration annotations, or regenerating migration/v3-to-v4.md.

Package registration. Use when adding a workspace package, making a private package publishable, renaming a package, or moving its workspace path.

Performance analysis. Use for runtime throughput or latency benchmarks, TypeScript compiler cost, performance regressions, comparison harnesses, or thresholds.

Test development. Use when adding or changing runtime Vitest coverage or Tstyche contracts for behavior, inference, assignability, or displayed public types.

Vendored assets. Use when importing or updating checked-in third-party or externally generated JavaScript, CSS, registries, schemas, snapshots, or Scalar, Swagger, and MIME artifacts.