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.
git clone --depth 1 https://github.com/Deibler/universal-design-principlesWrote 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/plugins/deibler/universal-design-principles/interaction-and-control-principles)<a href="https://agentmods.dev/plugins/deibler/universal-design-principles/interaction-and-control-principles"><img src="https://agentmods.dev/badge/plugins/deibler/universal-design-principles/interaction-and-control-principles/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/plugins/deibler/universal-design-principles/interaction-and-control-principles"><img src="https://agentmods.dev/badge/plugins/deibler/universal-design-principles/interaction-and-control-principles.svg" alt="Reviewed on agentmods" width="80" height="20"></a>Grade A, and why
interaction-and-control-principles 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 1mo 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.
The source is not reproduced here
A licence we could not identify
The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.
What it installs
The manifest is a name and a version. 29 skills travel with it, and installing the plugin installs all of them — 3,146 tokens a session between them. Each is measured on its own page, and each can be installed alone.
- Skill affordance A 130 tokens
- Skill feedback-loop A 150 tokens
- Skill forgiveness A 158 tokens
- Skill constraint A 122 tokens
- Skill control A 117 tokens
- Skill control-locus A 109 tokens
- Skill control-power-vs-simplicity A 106 tokens
- Skill expectation-effect-design-cues A 115 tokens
- Skill fitts-law A 135 tokens
- Skill expectation-effect A 119 tokens
- Skill expectation-effect-priming A 114 tokens
- Skill fitts-law-screen-edges A 119 tokens
- Skill fitts-law-touch-targets A 101 tokens
- Skill forgiveness-confirmation-and-prevention A 104 tokens
- Skill mapping A 114 tokens
- Skill mapping-cultural A 112 tokens
- Skill mapping-natural A 108 tokens
- Skill affordance-false-and-anti A 111 tokens
- Skill affordance-signifiers A 106 tokens
- Skill feedback-loop-positive-vs-negative A 101 tokens
- Skill fitts-law-pointer-acceleration A 94 tokens
- Skill forgiveness-undo-and-soft-delete A 102 tokens
- Skill constraint-psychological A 56 tokens
- Skill errors-mistakes A 67 tokens
- Skill errors-slips A 67 tokens
- Skill feedback-loop-states-and-latency A 80 tokens
- Skill constraint-physical A 76 tokens
- Skill interaction-router A 125 tokens
- Skill errors C 128 tokens
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.
- 1mo ago First seen · 30 lines scan A 02fa678884cc
interaction-and-control-principles is a plugin published in the GitHub repository Deibler/universal-design-principles (9 stars, last pushed 5mo ago), with no licence file. Its token cost is not measured: this kind of file is read by the harness, not the model. 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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