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/xr843/Master-skillWrote 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/xr843/master-skill/plugin)<a href="https://agentmods.dev/plugins/xr843/master-skill/plugin"><img src="https://agentmods.dev/badge/plugins/xr843/master-skill/plugin/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/xr843/master-skill/plugin"><img src="https://agentmods.dev/badge/plugins/xr843/master-skill/plugin.svg" alt="Reviewed on agentmods" width="80" height="20"></a>Grade A, and why
master-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 today.
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. 21 skills travel with it, and installing the plugin installs all of them — 4,110 tokens a session between them. Each is measured on its own page, and each can be installed alone.
- Skill compare-masters A 161 tokens
- Skill master-debate A 127 tokens
- Skill master-mahasi-sayadaw A 208 tokens
- Skill master-tsongkhapa A 233 tokens
- Skill master-ajahn-chah A 219 tokens
- Skill master-atisha A 232 tokens
- Skill master-buddhaghosa A 247 tokens
- Skill master-fazang A 186 tokens
- Skill master-huineng A 201 tokens
- Skill master-kumarajiva A 230 tokens
- Skill master-milarepa A 258 tokens
- Skill master-nagarjuna A 243 tokens
- Skill master-ouyi A 237 tokens
- Skill master-xuanzang A 229 tokens
- Skill master-xuyun A 235 tokens
- Skill master-yinguang A 274 tokens
- Skill master-zhiyi A 130 tokens
- Skill master-curriculum A 139 tokens
- Skill master-help A 97 tokens
- Skill master-daoxuan A 200 tokens
- Skill create-master A 24 tokens
What ships with it
1 file beside plugin.json in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- today Changed 16a36b0d002f
- 4d ago Changed d631611143f2
- 5d ago First seen · 23 lines scan A 7b1d10492b21
master-skill is a plugin published in the GitHub repository xr843/Master-skill (472 stars, last pushed today), 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 2026-10-20.
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