claude-plugin-validate

This tool validates Claude Code plugin manifest schema (plugin.json) and plugin content schemas (markdown frontmatter and hooks/hooks.json structure).

Inputs

• Logic spec: spec/VALIDATOR_SPEC.md
• Fixture set for behavior checks: fixtures/

Features

• Validate plugin.json schema + semantic constraints
• Optional validation for plugin markdown component frontmatter
• Optional hooks JSON structural validation
• CLI text and JSON output

CLI

cargo run -- /path/to/plugin.json
cargo run -- /path/to/plugins-dir
cargo run -- /path/to/plugins-dir --json
cargo run -- /path/to/plugins-dir --all

Exit codes:

• 0: all valid
• 1: one or more validation failures
• 2: runtime/argument errors