home/categories/automation-tools/ed3dai-ed3d-plugins-plugins-ed3d-house-style-skills-howto-functional-vs-imperative-skill-md
automation-toolstools
functional-core-imperative-shell
Use when writing or refactoring code, before creating files - enforces separation of pure business logic (Functional Core) from side effects (Imperative Shell) using FCIS pattern with mandatory file classification
maintainer
ed3dai
Updated 2/18/2026
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168
Forks
21
quick start
Installation and usage
Use when writing or refactoring code, before creating files - enforces separation of pure business logic (Functional Core) from side effects (Imperative Shell) using FCIS pattern with mandatory file classification
Installation
$ install --globalskills.sh
Usage
Once installed, you can use this skill by running the following command in your terminal:
skills use functional-core-imperative-shell