🧪 Functional Code
This skill helps you enforce pure functions, immutable data, and explicit dependencies while auditing code for FP violations and actionable refactoring.
npx playbooks add skill splitleaseteam/splitlease_monorepo --skill functional-code
About Functional Code
The Functional Code skill is used for testing and helps enforce pure functions, immutable data, and explicit dependencies in code. It audits code for functional programming violations and provides actionable refactoring suggestions. Developers would use this skill when they need to ensure their code adheres to functional programming principles and identify areas for improvement.
At 21 words, this compact prompt gives your agent specialized testing & qa expertise with structured patterns and output formats. Install via CLI or copy the prompt below.
Use Cases
- Writing unit, integration, and end-to-end tests
- Setting up test coverage and CI pipelines
- Refactoring legacy code with confidence using tests
- Creating test plans and QA checklists
Example Prompts
System Prompt (21 words)
This skill helps you enforce pure functions, immutable data, and explicit dependencies while auditing code for FP violations and actionable refactoring.
Frequently Asked Questions
What is Functional Code?
Functional Code is a free testing & qa skill for AI coding agents. This skill helps you enforce pure functions, immutable data, and explicit dependencies while auditing code for FP violations and actionable refactoring.. It provides a specialized system prompt that configures your agent with testing & qa expertise.
How do I use Functional Code with Claude Code?
Run npx playbooks add skill splitleaseteam/splitlease_monorepo --skill functional-code in your terminal to install Functional Code into your Claude Code session. It works immediately after installation.
Which AI coding agents work with Functional Code?
Functional Code is compatible with Claude Code, Cursor, GitHub Copilot, Windsurf, OpenClaw, Cline, and any AI agent that supports custom system prompts or .cursorrules files.
Is Functional Code free to use?
Yes, Functional Code is completely free and open source. The full source is available on GitHub at https://github.com/splitleaseteam/splitlease_monorepo/tree/main/.claude/skills/functional-code. You only need a subscription to the AI agent you use it with.
