ub-mode

What is ub-mode?

ub-mode is an open source agent skill that enforces disciplined software engineering principles when writing or changing code. It structures how coding agents approach problems by following three phases: making it work, making it right, and maintaining practice standards.

The skill applies foundational thinking methods like test driven development, reducing duplication, and separating shared state. It pairs these principles with deterministic quality gate tools that check cyclomatic complexity, structural duplication, mutation testing scores, and dependency visualization.

Users install it by copying the SKILL.md file into their AI agent skills directory and running the /ub-mode command. It works alongside companion repositories that measure code quality metrics and enforce thresholds automatically during development.

ub-mode features

• Enforces structured coding phases for AI agents
• Applies test driven development and first principles thinking
• Integrates automated quality gate tools for metrics
• Checks cyclomatic complexity and CRAP scores per function
• Detects and removes structural code duplication
• Runs mutation testing to verify test coverage
• Visualizes dependencies and code architecture

Who uses ub-mode and for what

• Guide AI coding assistants to write cleaner functions before refactoring
• Automate code quality checks during pull request reviews
• Standardize engineering workflows across distributed development teams
• Train junior developers on disciplined software design patterns
• Measure technical debt using complexity and duplication thresholds

ub-mode FAQ

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