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/lorem-dev/skillkeeper-test-repo/duplicatenpx skills add lorem-dev/skillkeeper-test-repo --skill duplicategit clone --depth 1 https://github.com/lorem-dev/skillkeeper-test-repoWrote 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/lorem-dev/skillkeeper-test-repo/duplicate)<a href="https://agentmods.dev/skills/lorem-dev/skillkeeper-test-repo/duplicate"><img src="https://agentmods.dev/badge/skills/lorem-dev/skillkeeper-test-repo/duplicate.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 | $0.00013 | $0.00224 |
| Opus 5 | $0.00006 | $0.00112 |
| Sonnet 5 | $0.00003 | $0.00045 |
| Haiku 4.5 | $0.00001 | $0.00022 |
Grade A, and why
duplicate 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 3d 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
duplicate
The same reference, twice, in the strict list.
What this fixture covers:
-
Deduplication rather than rejection. The repeat is dropped with a note and the skill resolves with a one-element dependency list. Installing this skill installs
requires/chain-conce. -
repo lintcode SK012, a warning:SK012: In requires/duplicate/SKILL.md: ignoring duplicate skill reference "requires/chain-c" -
That a duplicate is not a cycle. Both edges point away from this skill, so the graph stays acyclic and no
SK002is reported. The two conditions look alike in a naive traversal - a node visited twice - and this fixture is what keeps them apart.
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.
- 3d ago First seen · 32 lines · 13 tokens per session scan A 95c56d783d7f
duplicate is a skill published in the GitHub repository lorem-dev/skillkeeper-test-repo (2 stars, last pushed 10d ago), licensed MIT. It adds 13 tokens to every session and 224 once invoked, about $0.0001 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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