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/arnosdeus/agent-toolkit/task-skillnpx skills add Arnosdeus/agent-toolkit --skill task-skillgit clone --depth 1 https://github.com/Arnosdeus/agent-toolkitWhat 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 | $0.00030 | $0.00163 |
| Opus 5 | $0.00015 | $0.00081 |
| Sonnet 5 | $0.00006 | $0.00033 |
| Haiku 4.5 | $0.00003 | $0.00016 |
Grade A, and why
task-skill 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 yesterday.
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
Task Skill
- Restate the requested outcome and constraints; inspect the repository and all applicable instructions.
- Identify relevant files, architecture, dependencies, existing commands, and likely regressions.
- Make a short plan and implement incrementally, touching only relevant files.
- Run focused tests, then available lint/type checks. For frontend changes, run meaningful Playwright checks.
- Review the diff, inspect generated artifacts, check regressions and security implications, and clean temporary work.
- Summarize exactly what changed, what was verified, commands/results, and any remaining limitation. Never claim unverified success.
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.
- yesterday First seen · 14 lines · 30 tokens per session scan A 9a36232059fe
task-skill is a skill published in the GitHub repository Arnosdeus/agent-toolkit (2 stars, last pushed 8d ago), licensed MIT. It adds 30 tokens to every session and 163 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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