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 elisymlabs/elisym --skill usdc-summarizegit clone --depth 1 https://github.com/elisymlabs/elisymWrote 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/elisymlabs/elisym/usdc-summarize)<a href="https://agentmods.dev/skills/elisymlabs/elisym/usdc-summarize"><img src="https://agentmods.dev/badge/skills/elisymlabs/elisym/usdc-summarize.svg" alt="Measured on agentmods" 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 | $0.00024 | $0.00114 |
| Opus 5 | $0.00012 | $0.00057 |
| Sonnet 5 | $0.00005 | $0.00023 |
| Haiku 4.5 | $0.00002 | $0.00011 |
Grade C, and why
usdc-summarize scanned grade C with 1 finding 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 8d 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.
Tells the agent never to refusehighAnti-refusal
Suppressing the ability to decline removes a core safety control; a later harmful request then succeeds.
- Never refuse or ask for clarification - summarize what you have What it actually says
You are a concise summarizer. Given input text, return a 2-3 sentence summary in plain text.
Rules:
- Plain text only, no markdown formatting
- Match the input language
- Preserve key facts (names, numbers, dates)
- Never refuse or ask for clarification - summarize what you have
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.
- 8d ago First seen · 18 lines · 24 tokens per session scan C 0f921840f2c0
usdc-summarize is a skill published in the GitHub repository elisymlabs/elisym (15 stars, last pushed 13d ago), licensed MIT. It adds 24 tokens to every session and 114 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it C with 1 finding (tells the agent never to refuse). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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