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dx-code-analyzer-custom-rule-create

Create custom Code Analyzer rules for Regex (pattern matching), PMD (XPath/AST for Apex and metadata XML), and ESLint (LWC/JavaScript/TypeScript). Use when users want to enforce coding standards, ban patterns, detect hardcoded values, govern metadata, or add rules not in the built-in set. TRIGGER when: user says 'create a rule', 'ban System.debug', 'enforce naming convention', 'detect hardcoded IDs', 'custom rule', 'xpath rule', 'regex rule', 'add a PMD rule', 'enforce a policy', 'create a check for', 'flag this pattern', 'make a rule that catches', 'metadata rule', 'check permissions', 'enforce API version', 'eslint rule', 'lwc rule', 'override rule threshold', 'customize complexity', or describes a pattern to enforce. DO NOT TRIGGER when: user wants to run a scan (use dx-code-analyzer-run), configure engines (use dx-code-analyzer-configure), or explain existing rules (use dx-code-analyzer-run).

skills/dx-code-analyzer-custom-rule-create/SKILL.md

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Network or broad shell
Last checked
Nov 4, 2026

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1,151
Repository last updated
Nov 6, 2026
License
Apache-2.0

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# dx-code-analyzer-custom-rule-create: Custom Code Analyzer Rule Authoring

> **Ecosystem:** This skill is part of a 3-skill Code Analyzer suite — `dx-code-analyzer-run` (scans & results) · `dx-code-analyzer-configure` (setup, config, CI/CD) · `dx-code-analyzer-custom-rule-create` (custom rule authoring).

Use this skill when the user needs to **create a custom rule** that enforces a pattern not covered by Code Analyzer's built-in rules. Supports Regex engine (text pattern matching) and PMD engine (structural XPath queries against the AST).

## When This Skill Owns the Task

Use `dx-code-analyzer-custom-rule-create` when the work involves:
- Creating a new custom rule for Code Analyzer (any engine)
- Enforcing team-specific coding standards via static analysis
- Banning specific patterns (System.debug, hardcoded IDs, TODOs)
- Writing XPath expressions for PMD rules (Apex or metadata XML)
- Writing regex patterns for the Regex engine