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 CraftOS-dev/CraftBot --skill file-formatgit clone --depth 1 https://github.com/CraftOS-dev/CraftBotWrote 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/craftos-dev/craftbot/file-format)<a href="https://agentmods.dev/skills/craftos-dev/craftbot/file-format"><img src="https://agentmods.dev/badge/skills/craftos-dev/craftbot/file-format/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/craftos-dev/craftbot/file-format"><img src="https://agentmods.dev/badge/skills/craftos-dev/craftbot/file-format.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00125 | $0.01470 |
| Opus 5.5 | $0.00050 | $0.00588 |
| Sonnet 5.5 | $0.00025 | $0.00294 |
| Haiku 4.5 | $0.00013 | $0.00147 |
Grade A, and why
file-format 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 — 130 lines — stays where its author put it; the contents beside it link to each section on GitHub.
File Format Standards
Overview
This skill provides consistent formatting and design standards across all file outputs. It ensures consistent branding, typography, layout, and structure across every file type and document purpose the agent generates.
Standards live in resources/FORMAT.md, organized into three layers that the agent reads on demand.
How to Read FORMAT.md
resources/FORMAT.md is divided into sections using ## section-name headings. Each section is separated by a --- horizontal rule divider.
To extract the formatting rules you need:
- Use grep to search
resources/FORMAT.mdfor the section keyword (e.g.,"## pptx","## finance-report") - Read from the matched
## headingdown to the next---divider — that is the complete section - Each section is self-contained: everything between
## headingand the next---belongs to that section
Section types in FORMAT.md:
## global— universal standards (always at the top)## <file-type>— file-format-specific rules (e.g.,## pptx,## docx,## xlsx,## pdf,## md,## html)## <purpose>— document-purpose-specific rules (e.g.,## finance-report,## seo-audit,## meeting-minutes)
Users can add their own file-type or purpose sections at any time. Do not assume the list is fixed — always search for a match.
3-Layer Lookup Process
Before generating any file, perform these lookups IN ORDER:
Layer 1: Global Standards (ALWAYS read)
Search for ## global in resources/FORMAT.md. Read the entire section.
This section defines universal rules: brand color palette, typography scale, writing conventions, and general layout. These apply to every file you generate.
Layer 2: File-Type Standards (ALWAYS read)
Search resources/FORMAT.md for the ## <file-type> section matching your output format. The section name matches the file extension or format name.
Examples:
- Generating a
.pptxfile → search for## pptx - Generating a
.docxfile → search for## docx - Generating a
.pdffile → search for## pdf
What ships with it
1 file 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 · 130 lines · 125 tokens per session scan A f3b638b53cff
file-format is a skill published in the GitHub repository CraftOS-dev/CraftBot (395 stars, last pushed today), licensed MIT. It adds 125 tokens to every session and 1,470 once invoked, about $0.0005 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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