haskell-coder

Guide Haskell development with Cabal, Nix, and type-driven design.

3|1|Updated Feb 16, 2026
One-click install
npx skills add https://github.com/mightybyte/haskell-skill --skill haskell-coder
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: haskell-coder
Source: https://github.com/mightybyte/haskell-skill/tree/main/haskell-coder
Command: npx skills add https://github.com/mightybyte/haskell-skill --skill haskell-coder

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill addresses the complexity of modern Haskell development by providing a standardized, type-driven, and pragmatic framework for building robust, production-ready applications.

Core Features & Use Cases

  • Type-Driven Design: Implements patterns like phantom types, newtypes, and smart constructors to make illegal states unrepresentable.
  • Modern Ecosystem Guidance: Provides curated advice on using Cabal, Nix, GHC extensions, and essential libraries like lens, aeson, and mtl.
  • Performance Optimization: Offers actionable strategies for preventing space leaks, utilizing strictness, and profiling applications.

Quick Start

Activate the haskell-coder skill to receive expert guidance on setting up a new project structure and configuring your cabal file for modern Haskell development.

Frequently Asked Questions about haskell-coder

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I structure a new Haskell project with Cabal and Nix?

Structure a Haskell project with Cabal and Nix by configuring your cabal file for modern development and using Nix for explicit dependency management. This approach ensures reproducible builds and standardized project setup.

What is the best way to prevent space leaks in Haskell applications?

Prevent space leaks in Haskell applications by using strict-by-default data types and applying actionable performance optimization strategies, including application profiling to identify and resolve memory usage issues.

How does type-driven development work in Haskell?

Type-driven development in Haskell works by implementing patterns like phantom types, newtypes, and smart constructors to make illegal states unrepresentable. This approach ensures robust application architecture through compile-time guarantees.

Can I use the ReaderT pattern for idiomatic error handling in Haskell?

Yes, you can use the ReaderT pattern for idiomatic error handling in Haskell. This modern best practice requires explicit dependency management and integrates well with essential libraries like mtl for structured effect management.

Does this approach support modern Haskell ecosystem tools like GHC extensions and lens?

Yes, this approach supports the modern Haskell ecosystem by providing curated advice on using GHC extensions and essential libraries like lens, aeson, and mtl for production-ready applications. It ensures adherence to modern best practices.

When do I need explicit dependency management for Haskell development?

You need explicit dependency management for Haskell development when setting up project structure with Cabal and Nix. This ensures a standardized, type-driven framework for building robust, production-ready applications.