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 skills add VidyFoo/antigravity-skill-engine --skill doc-bootstrappinggit clone --depth 1 https://github.com/VidyFoo/antigravity-skill-engineWrote 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/skills/vidyfoo/antigravity-skill-engine/doc-bootstrapping)<a href="https://agentmods.dev/skills/vidyfoo/antigravity-skill-engine/doc-bootstrapping"><img src="https://agentmods.dev/badge/skills/vidyfoo/antigravity-skill-engine/doc-bootstrapping/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/skills/vidyfoo/antigravity-skill-engine/doc-bootstrapping"><img src="https://agentmods.dev/badge/skills/vidyfoo/antigravity-skill-engine/doc-bootstrapping.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 | $0.00030 | $0.00334 |
| Opus 5.5 | $0.00012 | $0.00134 |
| Sonnet 5.5 | $0.00006 | $0.00067 |
| Haiku 4.5 | $0.00003 | $0.00033 |
Grade A, and why
doc-bootstrapping 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.
What it actually says
CNS Documentation Bootstrap
Purpose
本技能旨在帮助开发者在启动新项目或重构现有项目时，快速建立符合 Antigravity 标准的「中央神经系统 (CNS)」文档体系。
Protocol: One-Click Initialization
当接收到 "init project docs" 或类似的初始化请求时，请执行以下步骤：
- Environment Check: 确认当前工作目录。
- Create Rule One:
- 将
resources/rule-one-template.md写入.agent/rules/rule-one.md。 - 根据项目名称微调前缀。
- 将
- Create Memory:
- 将
resources/memory-template.md写入doc/memory.md。
- 将
- Scaffold Diátaxis:
- 创建
doc/explanation/,doc/specs/,doc/how-to/,doc/tutorials/目录。 - 写入对应的基础
README.md（参考resources/diataxis-blueprint.md）。
- 创建
- Register Support Docs:
- 在
doc/explanation/中创建system-dev.md。
- 在
Resource Files
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 First seen · 30 lines · 30 tokens per session scan A b6dd1ee430f1
doc-bootstrapping is a skill published in the GitHub repository VidyFoo/antigravity-skill-engine (12 stars, last pushed 1mo ago), licensed MIT. It adds 30 tokens to every session and 334 once invoked, about $0.0001 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 2026-08-30.
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Resume work from a parked handoff.