Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add instructions/holger1411/astrodeck/agents-mdgit clone --depth 1 https://github.com/holger1411/astrodeckWhat 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 | $0.07340 | $0.07340 |
| Opus 5 | $0.03670 | $0.03670 |
| Sonnet 5 | $0.01468 | $0.01468 |
| Haiku 4.5 | $0.00734 | $0.00734 |
Grade A, and why
astrodeck 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 2d 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 — 828 lines — stays where its author put it; the contents beside it link to each section on GitHub.
AGENTS.md - AstroDeck Project Guidelines
Single Source of Truth for AI Coding Assistants This file provides guidance to AI agents (Cursor, GitHub Copilot, Claude Code, Codex, etc.) when working with the AstroDeck codebase.
⚠️ IMPORTANT: Project-Specific Customizations
Before following the guidelines below, ALWAYS check PROJECT.md first.
The PROJECT.md file contains project-specific customizations that override these defaults:
- Custom colors, fonts, and design tokens
- Brand voice and content guidelines
- Project-specific rules and workflows
- Business context and goals
Priority Hierarchy:
- PROJECT.md (highest) - Your project-specific instructions
- AGENTS.md (this file) - AstroDeck defaults and patterns for AI assistants
- README.md - Human-readable documentation (installation, deployment, troubleshooting)
- Component documentation - Individual component guidelines
When to consult README.md:
- README.md is written for humans and provides additional context
- Useful for understanding deployment options, installation methods, and user-facing documentation
- Contains detailed explanations of features, troubleshooting guides, and community resources
- Subordinate to AGENTS.md for AI coding conventions, but valuable for project context
If PROJECT.md says "use vibrant blue for primary color" but this file says "use Astro blue,"
the PROJECT.md instruction wins.
Project Overview
AstroDeck is an open-source component library and starter kit for building Astro.js websites. It provides pre-built, production-ready sections for landing pages and SaaS websites.
| Aspect | Details |
|---|---|
| Purpose | Help developers ship beautiful websites faster with copy-paste ready components |
| Target Users | Web developers, SaaS founders, agencies, indie hackers |
| Repository | https://github.com/holger1411/astrodeck |
| Live Demo | https://astrodeck.dev |
AI-Assisted Development
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.
- 2d ago First seen · 828 lines · 7,340 tokens per session scan A dac3326584e7
astrodeck AGENTS.md is an instructions file published in the GitHub repository holger1411/astrodeck (72 stars, last pushed 26d ago), licensed MIT. It adds 7,340 tokens to every session, about $0.0367 per session on Opus 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 2026-08-30.
Other instructions, from other repositories
spec-kit AGENTS.md
AGENTS.md instructions for github/spec-kit, covering agents.md, about spec kit and specify, quickstart — add a new integration in 5 steps, integration architecture and integrationmanifest — file tracking.
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).
codex AGENTS.md
AGENTS.md instructions for openai/codex, covering rust/codex-rs, the codex-core crate, code review rules, crate api surface and model visible context.
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.
vscode oss-third-party-notices.instructions.md
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, applying the notice (cutover) and fallback chain (never fail the build).
next.js AGENTS.md
Instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.