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 agentmods add skills/jakkaj/tools/frugalnpx skills add jakkaj/tools --skill frugalgit clone --depth 1 https://github.com/jakkaj/toolsWrote 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/jakkaj/tools/frugal)<a href="https://agentmods.dev/skills/jakkaj/tools/frugal"><img src="https://agentmods.dev/badge/skills/jakkaj/tools/frugal.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 | $0.00041 | $0.00208 |
| Opus 5 | $0.00020 | $0.00104 |
| Sonnet 5 | $0.00008 | $0.00042 |
| Haiku 4.5 | $0.00004 | $0.00021 |
Grade A, and why
frugal 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 6d 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
Frugal
Use as a silent pre-task constraint. Keep the stated goal or thesis in front; before any file read, search, tool call, line of code, note, or explanation, ask whether it can change a decision, constrain implementation, prove behavior, reduce risk, preserve intent, or enable the next action. Skip broad context, decorative prose, duplicate summaries, speculative branches, and "while I'm here" work; read narrowly, expand only when uncertainty is material, and prefer direct evidence, existing primitives, and the smallest check or artifact that advances the goal. Do not economize away correctness, security, data-loss prevention, accessibility, user intent, or irreversible-action warnings. No ceremony: apply this silently and output only the next useful thing, then stop.
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.
- 6d ago First seen · 12 lines · 41 tokens per session scan A 6907fc80248f
frugal is a skill published in the GitHub repository jakkaj/tools (5 stars, last pushed 20d ago), licensed MIT. It adds 41 tokens to every session and 208 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 2026-08-31.
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