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 richkuo/rk-skills --skill tldrgit clone --depth 1 https://github.com/richkuo/rk-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/richkuo/rk-skills/tldr)<a href="https://agentmods.dev/skills/richkuo/rk-skills/tldr"><img src="https://agentmods.dev/badge/skills/richkuo/rk-skills/tldr/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/richkuo/rk-skills/tldr"><img src="https://agentmods.dev/badge/skills/richkuo/rk-skills/tldr.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 | $0.00037 | $0.00196 |
| Opus 5 | $0.00018 | $0.00098 |
| Sonnet 5 | $0.00007 | $0.00039 |
| Haiku 4.5 | $0.00004 | $0.00020 |
Grade A, and why
tldr 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 12d 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
TLDR
Produce a dead-simple recap of your most recent substantive response.
Rules
- Write it as a Plain simple English block in ASD-STE100 (Simplified Technical English) per the Response Style rules in CLAUDE.md/AGENTS.md, one sentence per line separated by a blank line. Bullet lists are allowed. No headers, no preamble like "Here's the TLDR" — just the summary itself.
- Summarize the prior answer, not the original question. If there is no prior substantive response in the conversation, say so in one line and ask what to summarize.
- Keep critical caveats. Simplify the answer without dropping a caveat that changes what the reader should do.
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.
- 12d ago First seen · 15 lines · 37 tokens per session scan A 2a2aaa82a0e6
tldr is a skill published in the GitHub repository richkuo/rk-skills (49 stars, last pushed 2d ago), licensed MIT. It adds 37 tokens to every session and 196 once invoked, about $0.0002 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 2026-08-30.
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