effect-best-practices

SKILL.md

This skill enforces opinionated, consistent patterns for Effect-TS codebases. These patterns optimize for type safety, testability, observability, and maintainability.

Don't try to install nor import from "@effect/schema", it is deprecated. Instead just import from "effect" package.

| Services | Effect.Service | Context.Tag for business logic | | Dependencies | dependencies: [Dep.Default] at the top of the service | Manual Layer.provide at usage sites | | Errors | Schema.TaggedError with message and cause fields | Plain classes or generic Error |

Enforces Effect-TS patterns for services, errors, layers, and atoms. Use when writing code with Effect.Service, Schema.TaggedError, Layer composition, or effect-atom React components. Source: betalyra/effect-skills.

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