Skillshub agnix

Use when user asks to 'lint agent configs', 'validate skills', 'check CLAUDE.md', 'validate hooks', 'lint MCP'. Validates agent configuration files against 230 rules.

install

source · Clone the upstream repo

git clone https://github.com/ComeOnOliver/skillshub

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/ComeOnOliver/skillshub "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/agent-sh/agnix/agnix" ~/.claude/skills/comeonoliver-skillshub-agnix && rm -rf "$T"

manifest: skills/agent-sh/agnix/agnix/SKILL.md

source content

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