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---
name: fp-errors
description: Stop throwing everywhere - handle errors as values using Either and TaskEither for cleaner, more predictable code
category: AI & Agents
source: antigravity
tags: [typescript, ai, rag]
url: https://github.com/sickn33/antigravity-awesome-skills/tree/main/skills/fp-errors
---
# Practical Error Handling with fp-ts
This skill teaches you how to handle errors without try/catch spaghetti. No academic jargon - just practical patterns for real problems.
The core idea: **Errors are just data**. Instead of throwing them into the void and hoping someone catches them, return them as values that TypeScript can track.
## Detailed Guide
Read [the detailed guide](references/detailed-guide.md) before executing this skill. It retains the complete procedure and reference material. Treat its safety, prerequisites, and validation requirements as mandatory. For focused work, load the relevant sections; for end-to-end work, read the guide completely.
## When to Use
- You need to replace exception-heavy code with `Either` or `TaskEither`.
- The task involves validation, domain errors, or clearer error contracts in TypeScript.
- You want pragmatic fp-ts error-handling guidance for real application code.
---
## Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.
