Effect Expert

Use this skill when working with Effect services, layers, schema errors, config, and runtime integration.

Load Triggers

Load this skill when:

• User mentions Effect, Layer, Context.Tag, Schema.TaggedError, Effect.gen, or Effect.fn
• You are implementing or reviewing files that define Effect services, layers, or runtime boundaries
• You are debugging Effect runtime behavior, missing spans, layer wiring, or boundary error mapping
• You need test strategy for Effect code (@effect/vitest, test layers)
• You need Effect runtime integration (TRPC/server boundaries)

First Step (Always)

Before substantial implementation, refactor, or formal review, fetch current recommendations: