fp-react
Lets your agent show how to use functional programming with React. It helps with state, forms, and data.
What it does
This tool helps write code for web applications using React, focusing on how to handle data that might not exist, operations that might fail, or data that is being loaded. It uses a functional programming approach to make the code more organized and reliable.
When to use it
- ✓When a value might not be present.
- ✓When an operation might fail.
- ✓When needing to show loading, error, or success states.
Example of what to ask your AI
“How can I handle a form that requires multiple validations using React and functional programming?”
Want more? Open the sections below.
How to use
The easiest way: copy the message below and paste it into Claude, ChatGPT, Cursor or any AI. It reads the skill and follows the instructions.
Skill link
Ready-to-paste message
How it works
It uses functional programming patterns like `Option` and `Either` to manage uncertainty in the code. This helps prevent common errors and makes the data flow more predictable.
Installation
Easiest way: copy the skill link and paste it into Claude, ChatGPT or Cursor asking it to follow the instructions.
In the terminal (Claude Code, Codex, Cursor), in your project folder:
npx skills add sickn33/agentic-awesome-skills --skill fp-reactOr download just the file:
curl -L https://raw.githubusercontent.com/sickn33/agentic-awesome-skills/main/plugins/agentic-awesome-skills-claude/skills/fp-react/SKILL.md -o SKILL.mdTechnical content (original SKILL.md)
Original text by the author, straight from GitHub.
Functional Programming in React
Practical patterns for React apps. No jargon, just code that works.
Detailed Guide
Read the detailed guide 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 What
| Situation | Use |
|---|---|
| Value might not exist | Option<T> |
| Operation might fail (sync) | Either<E, A> |
| Async operation might fail | TaskEither<E, A> |
| Need loading/error/success UI | RemoteData<E, A> |
| Form with multiple validations | Either with validation applicative |
| Dependency injection | Context + ReaderTaskEither |
| Prevent re-renders with fp-ts | useMemo or fp-ts-react-stable-hooks |
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.
FAQ
What is `Option<T>`?
It's a way to indicate that a value might exist or not, preventing errors from trying to use something that isn't there.
What is `Either<E, A>`?
Represents a result that can be either an error (E) or a success (A), useful for operations that might fail.
What is `RemoteData<E, A>`?
Helps manage the different states of an asynchronous operation: whether it's loading, has errored, or succeeded, making it easier to build user interfaces.
Details
Original description by the author
Practical patterns for using fp-ts with React - hooks, state, forms, data fetching. Works with React 18/19, Next.js 14/15.
Popularity
- GitHub stars
- 48k
- Ranking position
- #3032
- License
- MIT
- Updated
- 10/15/2026
Comments
- …
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