Agnix

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 |

Links

• GitHub
• Rules Reference

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: agent-sh
• Source: agent-sh/agnix
• License: Apache-2.0

Install and usage instructions live in the source repository linked above.