agnix
Lint agent configurations before they break your workflow. Validates Skills, Hooks, MCP, Memory, Plugins across Claude Code, Cursor, GitHub Copilot, and Codex CLI.
When to Use
Invoke when user asks to:
- "Lint my agent configs"
- "Validate my skills"
- "Check my CLAUDE.md"
- "Validate hooks"
- "Lint MCP configs"
- "Fix agent configuration issues"
Supported Files
| File Type | Examples |
|---|---|
| Skills | SKILL.md |
| Memory | CLAUDE.md, AGENTS.md |
| Hooks | .claude/settings.json |
| MCP | *.mcp.json |
| Cursor | .cursor/rules/*.mdc |
| Copilot | .github/copilot-instructions.md |
Execution
1. Check if agnix is installed
agnix --version
If not found, install:
cargo install agnix-cli
2. Validate
agnix .
3. If issues found and --fix requested
agnix --fix .
4. Re-validate to confirm
agnix .
CLI Reference
| Command | Description |
|---|---|
agnix . | Validate current project |
agnix --fix . | Auto-fix issues |
agnix --strict . | Treat warnings as errors |
agnix --target claude-code . | Only Claude Code rules |
agnix --target cursor . | Only Cursor rules |
agnix --watch . | Watch mode |
agnix --format json . | JSON output |
Output Format
CLAUDE.md:15:1 warning: Generic instruction 'Be helpful' [fixable]
help: Remove generic instructions. Claude already knows this.
skills/review/SKILL.md:3:1 error: Invalid name [fixable]
help: Use lowercase letters and hyphens only
Found 1 error, 1 warning (2 fixable)
Common Issues & Fixes
| Issue | Solution |
|---|---|
| Invalid skill name | Use lowercase with hyphens: my-skill |
| Generic instructions | Remove "be helpful", "be accurate" |
| Missing trigger phrase | Add "Use when..." to description |
| Directory/name mismatch | Rename directory to match name: field |