Borrowing it
Nothing to install: this file belongs to Modellix/modellix-plugin. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/Modellix/modellix-plugin/main/AGENTS.mdgit clone --depth 1 https://github.com/Modellix/modellix-pluginWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/instructions/modellix/modellix-plugin/agents-md)<a href="https://agentmods.dev/instructions/modellix/modellix-plugin/agents-md"><img src="https://agentmods.dev/badge/instructions/modellix/modellix-plugin/agents-md/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/instructions/modellix/modellix-plugin/agents-md"><img src="https://agentmods.dev/badge/instructions/modellix/modellix-plugin/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.05577 | $0.05577 |
| Opus 5.5 | $0.02231 | $0.02231 |
| Sonnet 5.5 | $0.01115 | $0.01115 |
| Haiku 4.5 | $0.00558 | $0.00558 |
Grade A, and why
modellix-plugin AGENTS.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 307 lines — stays where its author put it; the contents beside it link to each section on GitHub.
AGENTS.md
Instructions for coding agents that maintain this Modellix plugin package. Human install and product overview live in README.md.
Project overview
This repository conforms to Agent Plugins 1.0.0: the git repository root is the plugin root, root plugin.json is the portable manifest, immediate children under skills/ are portable Agent Skills, and root mcp.json declares the read-only Docs MCP. Cursor, Claude Code, Codex, legacy Open Plugins, OpenClaw/ClawHub, OpenCode, Pi, and Hermes adapters add host capabilities such as rules, hooks, and eight slash commands without changing the portable core.
There is no application runtime. The product is manifests + skill markdown + thin stdlib Python helpers, covered by repository regression tests.
modellix-plugin/ ← plugin root (= repo root)
├── plugin.json ← Agent Plugins 1.0.0 portable manifest (edit first)
├── mcp.json ← Agent Plugins Docs MCP (streamable-http)
├── .plugin/plugin.json ← legacy Open Plugins host adapter
├── .cursor-plugin/ ← Cursor plugin.json + single-repo marketplace.json
├── .claude-plugin/ ← Claude Code plugin.json + marketplace.json
├── .codex-plugin/plugin.json
├── .agents/plugins/marketplace.json
├── assets/logo.svg
├── skills/modellix-design/ ← execution skill (CLI / REST / credentials)
│ ├── SKILL.md
│ ├── skill.json
│ ├── references/ ← cli / rest / capability playbooks
│ ├── scripts/ ← CLI update/preflight + execution helpers (stdlib Python)
│ ├── assets/
│ └── evals/
├── skills/modellix-image-prompt-engineering/ ← prompt-only image planning skill
│ ├── SKILL.md
│ ├── skill.json
│ ├── references/ ← prompt / concepts / failure / grid playbooks
│ └── evals/
├── openclaw.plugin.json ← ClawHub bundle-plugin (skills only; no extensions)
├── .mcp.json ← Cursor/legacy Docs MCP adapter (`type: http`)
├── commands/ ← slash commands (thin prompts routing to the CLI flow)
├── rules/ ← host-specific always-on .mdc guardrails
├── hooks/ ← hooks.json (legacy/Claude) + cursor-hooks.json (Cursor)
├── scripts/ ← plugin-level hook scripts + cross-platform Node launcher
├── package.json ← npm + ClawHub + Pi (`bin`, `pi-package`, pi.skills)
├── .opencode/skills/modellix-design → ../../skills/modellix-design
├── .opencode/skills/modellix-image-prompt-engineering → ../../skills/modellix-image-prompt-engineering
├── .pi/skills/modellix-design → ../../skills/modellix-design
├── .pi/skills/modellix-image-prompt-engineering → ../../skills/modellix-image-prompt-engineering
└── .github/workflows/skill_update.yml
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 1mo ago Changed · +14 lines · +351 tokens per session a5b0f65b3a3c
- 1mo ago Changed · +1 lines · +62 tokens per session f4c122264b4a
- 1mo ago First seen · 292 lines · 5,164 tokens per session scan A 837ef24859e8
modellix-plugin AGENTS.md is an instructions file published in the GitHub repository Modellix/modellix-plugin (1 stars, last pushed 2d ago), licensed MIT. It adds 5,577 tokens to every session, about $0.0223 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
Other instructions, from other repositories
vscode buildNext.instructions.md
Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).
next.js AGENTS.md
AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.
vscode oss-third-party-notices.instructions.md
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, cache eligibility and rollout and applying the notice (cutover).
langchain AGENTS.md
AGENTS.md instructions for langchain-ai/langchain, covering global development guidelines for the langchain monorepo, corridor security analysis, project architecture and context, monorepo structure and development tools & commands.
deepseek-harness AGENTS.md
AGENTS.md instructions for deepseek-ai/deepseek-harness, covering agents.md, pre-stable apis and released session data, repository layout, commands and host sandbox failures.
vscode copilot-instructions.md
Copilot instructions for microsoft/vscode, covering vs code copilot instructions, project overview, root folders, core architecture (src/ folder) and built-in extensions (extensions/ folder).