Agnix

Organization

agent-sh

agnix

Use when user asks to 'lint agent configs', 'validate skills', 'check CLAUDE.md', 'validate hooks', 'lint MCP'. Validates agent configuration files against 702 rules.

Overview

Publisher	agent-sh
Repository	`agnix`
Skill name	`agnix`
Stars	457
Forks	35
Bundled files	Instructions only
License	Apache-2.0
Links	Skill source Repository

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
Self-contained
Everything the model needs lives in the instructions — no extra files to sync.
Open source
Published by agent-sh on GitHub. Read the source before you install it.

Installation

Install the Agnix AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/agent-sh/agnix/tree/main/skills/agnix
Enable the skill in any chat where you want it available.

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/agent-sh/agnix.git /tmp/agnix
mkdir -p .claude/skills
cp -r /tmp/agnix/skills/agnix .claude/skills/agnix

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Agnix in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Agnix on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Agnix is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

agnix

Lint agent configurations (Skills, Hooks, MCP, Memory, Plugins) before they break a workflow, across Claude Code, Codex CLI, OpenCode, Kiro, Cursor, GitHub Copilot and other tools.

Run

agnix --version. If it is missing, install with npm install -g agnix or cargo install agnix-cli.
agnix . (or the path the user named).
If the user asked for fixes: agnix --fix ., then run step 2 again to confirm what remains. Otherwise change no files; agnix --dry-run . previews the fixes.

CLI reference

Command	Description
`agnix .`	Validate current project
`agnix --fix .`	Apply safe auto-fixes
`agnix --dry-run .`	Show what would be fixed, change nothing
`agnix --strict .`	Treat warnings as errors
`agnix --target claude-code .`	Target one tool: `generic` (default), `claude-code`, `cursor`, `codex`, `kiro`
`agnix --watch .`	Watch mode
`agnix --format json .`	JSON output

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`

Output


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 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

Frequently asked questions

What does the Agnix AI skill do?

Use when user asks to 'lint agent configs', 'validate skills', 'check CLAUDE.md', 'validate hooks', 'lint MCP'. Validates agent configuration files against 702 rules.

Why use Agnix on TypingMind?

Because you install it once and use it with any model. Agnix is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Agnix in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/agent-sh/agnix/tree/main/skills/agnix. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Agnix?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Agnix?

As many as you like. As long as a model supports skills, you can use Agnix with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Agnix AI skill free?

Yes. It is published on GitHub by agent-sh under the Apache-2.0 license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

agnix

Run

CLI reference

Supported files

Output

Common fixes

Links

Frequently asked questions

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