Pants Plugin Development Assistant

Help developers work with existing Pants plugins - add features, debug issues, write tests, and upgrade for compatibility.

When to Use This Skill

• Adding new targets, fields, rules, or goals to an existing plugin
• Debugging plugin issues (rules not firing, caching problems, type errors)
• Writing or improving tests with RuleRunner
• Upgrading a plugin for a new Pants version
• Understanding how an existing plugin works
• Performance optimization and caching improvements

Workflow

Phase 1: Understand the Existing Plugin

First, explore the plugin structure to understand what exists: