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 the-open-agent/oss-skills --skill readme-that-convertsgit clone --depth 1 https://github.com/the-open-agent/oss-skillsWrote 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/the-open-agent/oss-skills/readme-that-converts)<a href="https://agentmods.dev/skills/the-open-agent/oss-skills/readme-that-converts"><img src="https://agentmods.dev/badge/skills/the-open-agent/oss-skills/readme-that-converts/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/the-open-agent/oss-skills/readme-that-converts"><img src="https://agentmods.dev/badge/skills/the-open-agent/oss-skills/readme-that-converts.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 | $0.00117 | $0.02104 |
| Opus 5 | $0.00059 | $0.01052 |
| Sonnet 5 | $0.00023 | $0.00421 |
| Haiku 4.5 | $0.00012 | $0.00210 |
Grade A, and why
readme-that-converts 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 11d 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 — 212 lines — stays where its author put it; the contents beside it link to each section on GitHub.
A README That Converts
The README is the product page. For most visitors it is the entire product — they will decide in under 30 seconds whether to keep reading, and they are on a phone about 40% of the time.
The 30-second test
A first-time visitor must be able to answer, above the fold, without scrolling past the first screen:
- What is this? (category — "a CLI", "a Python library", "a Postgres extension")
- What problem does it solve? (their problem, in their words)
- Should I keep reading? (is it for their language/platform/scale)
If a visitor must scroll to learn what the project is, the README has already failed. Badges, logos, and tables of contents are not answers to those questions.
Apply the test literally: read only the first 15 lines aloud and ask whether a stranger could describe the project. If not, cut until they can.
Section order
Ordered by how many readers get that far. Later sections cost nothing; earlier ones are expensive real estate.
# Name
> One sentence. Under 15 words. Category + differentiator.
[badges: build | version | license] ← 3–5 max, one line
[hero: screenshot, GIF, or 6-line code sample]
## Why <Name>? ← 3–5 bullets, comparative, concrete
## Install ← copy-pasteable, one command if possible
## Quickstart ← smallest complete working example
## Usage / Features ← progressive depth
## Documentation ← link out once docs exceed the README
## Comparison ← if entering a crowded space
## Contributing ← one line + link to CONTRIBUTING.md
## License
Notably absent near the top: table of contents (GitHub renders one from the outline
menu), long feature matrices, architecture diagrams, and the origin story. They belong
in docs/, or below the fold.
Writing the one-liner
Formula: <category> for <audience> that <differentiator>
- "A build tool for JavaScript that skips bundling in development."
- "A Rust HTTP client with connection pooling and no async runtime."
- "Kubernetes operator that snapshots Postgres to S3 on a schedule."
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.
- 11d ago First seen · 212 lines · 117 tokens per session scan A a2c3ace6641d
readme-that-converts is a skill published in the GitHub repository the-open-agent/oss-skills (5 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 117 tokens to every session and 2,104 once invoked, about $0.0006 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 2026-08-31.
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