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.
git clone --depth 1 https://github.com/reddishz/designdocWrote 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/rules/reddishz/designdoc/readme-github-home)<a href="https://agentmods.dev/rules/reddishz/designdoc/readme-github-home"><img src="https://agentmods.dev/badge/rules/reddishz/designdoc/readme-github-home/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/rules/reddishz/designdoc/readme-github-home"><img src="https://agentmods.dev/badge/rules/reddishz/designdoc/readme-github-home.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 | $0.00000 | $0.00236 |
| Opus 5.5 | $0.00000 | $0.00094 |
| Sonnet 5.5 | $0.00000 | $0.00047 |
| Haiku 4.5 | $0.00000 | $0.00024 |
Grade A, and why
readme-github-home 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 7d 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.
What it actually says
根 README = GitHub 首页
改仓库根目录 README.md 时 MUST 按此口径：
- 定位：面向访客的产品首页，不是规范手册，也不是变更日志。
- 核心：讲清「为什么用 / 有什么能力 / 怎么开始」，以功能特性与价值对比为主。
- 技术细节宜少而精：编码规则、检查器开关、schema、迁移步骤等 MUST 用一两句点到 + 链到
.agents/skills/design-doc/；MUST NOT 把 skill / references 正文搬进 README。 - 大升级对外叙事：重要能力（如产品基线）在特性表 / 快速开始用人话各占一行即可；细节留给 skill 的
references/单点（如 product-version.md）。
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.
- 7d ago First seen · 15 lines · 0 tokens per session scan A 4a7dc1b73247
readme-github-home is a cursor rule published in the GitHub repository reddishz/designdoc (14 stars, last pushed 3d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 236 tokens. 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 2026-10-09.
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