Create Community Node Lint Rule

Guide for adding new ESLint rules to packages/@n8n/eslint-plugin-community-nodes/.

All paths below are relative to packages/@n8n/eslint-plugin-community-nodes/.

Step 1: Understand the Rule

Before writing code, clarify:

• What does the rule detect? (missing property, wrong pattern, bad value)
• Where does it apply? (.node.ts files, credential classes, both)
• Severity: error (must fix) or warn (should fix)?
• Fixable? Can it be auto-fixed safely, or only suggest?
• Scope: Both recommended configs, or exclude from recommendedWithoutN8nCloudSupport?

Step 2: Implement the Rule

Create src/rules/<rule-name>.ts: