effect core
✓This skill should be used when the user asks about "Effect type", "creating effects", "running effects", "Effect.gen", "Effect.succeed", "Effect.fail", "Effect.sync", "Effect.promise", "Effect.tryPromise", "Effect.runPromise", "Effect.runSync", "pipe", "andThen", "flatMap", "map", "Effect basics", or needs to understand the fundamental Effect<Success, Error, Requirements> type and how to create, compose, and run effects.
Installation
SKILL.md
Effect is the foundational type in Effect-TS representing a computation that may succeed with value A, fail with error E, or require context R:
The key insight: Effects are descriptions of programs, not executed code. They must be explicitly run.
The generator syntax (Effect.gen) provides cleaner, more readable code:
This skill should be used when the user asks about "Effect type", "creating effects", "running effects", "Effect.gen", "Effect.succeed", "Effect.fail", "Effect.sync", "Effect.promise", "Effect.tryPromise", "Effect.runPromise", "Effect.runSync", "pipe", "andThen", "flatMap", "map", "Effect basics", or needs to understand the fundamental Effect<Success, Error, Requirements> type and how to create, compose, and run effects. Source: andrueandersoncs/claude-skill-effect-ts.
Facts (cite-ready)
Stable fields and commands for AI/search citations.
- Install command
npx skills add https://github.com/andrueandersoncs/claude-skill-effect-ts --skill effect core- Category
- </>Dev Tools
- Verified
- ✓
- First Seen
- 2026-02-01
- Updated
- 2026-02-18
Quick answers
What is effect core?
This skill should be used when the user asks about "Effect type", "creating effects", "running effects", "Effect.gen", "Effect.succeed", "Effect.fail", "Effect.sync", "Effect.promise", "Effect.tryPromise", "Effect.runPromise", "Effect.runSync", "pipe", "andThen", "flatMap", "map", "Effect basics", or needs to understand the fundamental Effect<Success, Error, Requirements> type and how to create, compose, and run effects. Source: andrueandersoncs/claude-skill-effect-ts.
How do I install effect core?
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/andrueandersoncs/claude-skill-effect-ts --skill effect core Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor
Where is the source repository?
https://github.com/andrueandersoncs/claude-skill-effect-ts
Details
- Category
- </>Dev Tools
- Source
- skills.sh
- First Seen
- 2026-02-01