Biome Config Validator
/install biome-config-validator
Biome Config Validator
Validate biome.json configuration files for correctness, conflicts, deprecated options, and best practices.
Commands
# Validate a biome.json file (all rules)
python3 scripts/biome_config_validator.py lint biome.json
# Check for rule conflicts only
python3 scripts/biome_config_validator.py conflicts biome.json
# Check for deprecated options
python3 scripts/biome_config_validator.py deprecated biome.json
# Validate structure only
python3 scripts/biome_config_validator.py validate biome.json
# JSON output
python3 scripts/biome_config_validator.py lint biome.json --format json
# Summary only
python3 scripts/biome_config_validator.py lint biome.json --format summary
Rules (22)
Structure (5)
- Invalid JSON syntax
- Unknown top-level keys
- Invalid schema version ($schema URL)
- Missing recommended sections (linter, formatter)
- Invalid file patterns in includes/excludes
Linting (7)
- Unknown lint rule names
- Rules in wrong category
- Conflicting rules (e.g., useConst vs noConst)
- Disabled recommended rules without justification
- Invalid rule severity values
- Empty rule groups
- Deprecated rule names
Formatting (5)
- Invalid indent style/width combination
- Conflicting formatter settings
- Line width out of reasonable range
- Invalid quote style values
- Tab width mismatch with indent width
Best Practices (5)
- Missing VCS integration settings
- Overly broad ignore patterns
- No organizeImports configuration
- Missing JavaScript/TypeScript specific settings
- Extends pointing to non-existent config
Output Formats
- text (default): Human-readable with colors and severity icons
- json: Machine-readable with file, rule, severity, message
- summary: Counts by severity only
Exit Codes
- 0: No issues (or warnings only)
- 1: Errors found
- 2: Invalid input
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install biome-config-validator - After installation, invoke the skill by name or use
/biome-config-validator - Provide required inputs per the skill's parameter spec and get structured output
What is Biome Config Validator?
Validate and lint Biome (biome.json) configuration files for structure, rule conflicts, deprecated options, and best practices. 22 rules across structure, li... It is an AI Agent Skill for Claude Code / OpenClaw, with 83 downloads so far.
How do I install Biome Config Validator?
Run "/install biome-config-validator" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is Biome Config Validator free?
Yes, Biome Config Validator is completely free, licensed under MIT-0. You can download, install and use it at no cost.
Which platforms does Biome Config Validator support?
Biome Config Validator is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created Biome Config Validator?
It is built and maintained by charlie-morrison (@charlie-morrison); the current version is v1.0.0.