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 LerianStudio/ring --skill generating-llms-txtgit clone --depth 1 https://github.com/LerianStudio/ringWrote 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/lerianstudio/ring/generating-llms-txt)<a href="https://agentmods.dev/skills/lerianstudio/ring/generating-llms-txt"><img src="https://agentmods.dev/badge/skills/lerianstudio/ring/generating-llms-txt/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/lerianstudio/ring/generating-llms-txt"><img src="https://agentmods.dev/badge/skills/lerianstudio/ring/generating-llms-txt.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 | $0.00109 | $0.01142 |
| Opus 5.5 | $0.00044 | $0.00457 |
| Sonnet 5.5 | $0.00022 | $0.00228 |
| Haiku 4.5 | $0.00011 | $0.00114 |
Grade A, and why
ring:generating-llms-txt 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 — 156 lines — stays where its author put it; the contents beside it link to each section on GitHub.
LLMs.txt & AI Documentation Generator
When to use
- Creating a new llms.txt for a repository
- Auditing an existing llms.txt for completeness
- Generating CLAUDE.md or AGENTS.md for AI coding agents
- Improving AI readability of a repository
Skip when
- Repository already has a complete, up-to-date llms.txt
- Task is code implementation with no documentation scope
- Repository is private/internal with no LLM discoverability need
Related
Complementary: ring:running-dev-cycle, ring:implementing-tasks
Generates llms.txt, CLAUDE.md, and AGENTS.md for repositories.
Step 1: Analyze Repository
1. Read README.md — project name, description, purpose
2. Read CONTRIBUTING.md — build, test, lint instructions (if exists)
3. Read Makefile / package.json / go.mod — build system, language, dependencies
4. Scan /docs/ — available documentation
5. Scan /api/ or OpenAPI specs — API surface
6. Read existing llms.txt / CLAUDE.md / AGENTS.md (if mode=audit)
7. Identify: language, architecture, test framework
Step 2: Generate llms.txt
Follow llmstxt.org specification exactly:
# {Project Name}
> {One-line description: language, what it does, license.}
{Optional: architecture, key concepts, domain terminology needed to work with this project.}
## Docs
- [{Doc title}]({url}): {Brief description}
## API Reference
- [{API name}]({url}): {What this covers}
## Code
- [{Key module}]({path}): {What this module does}
## Optional
- [{Secondary resource}]({url}): {Description}
Rules:
- One H1 (project name), required
- Blockquote summary — required, include language and license
- H2 sections only (no H3+)
- Links:
[title](url): descriptionformat - File in repo root:
/llms.txt - Target: fits in ~2K tokens
MUST include: name, architecture overview, key domain concepts, links to README/CONTRIBUTING/API docs/key modules.
MUST NOT include: internal-only docs, CI/CD details, issue tracker, full dependency lists, changelog.
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 · 156 lines · 109 tokens per session scan A eaebe2d7471e
ring:generating-llms-txt is a skill published in the GitHub repository LerianStudio/ring (218 stars, last pushed 9d ago), licensed Apache-2.0. It adds 109 tokens to every session and 1,142 once invoked, about $0.0004 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 2026-09-03.
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