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.
/plugin marketplace add ssheleg/make-skillnpx agentmods add plugins/ssheleg/make-skill/marketplacegit clone --depth 1 https://github.com/ssheleg/make-skillGrade A, and why
make-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
{
"$schema": "https://json.schemastore.org/claude-code-marketplace.json",
"name": "make-skill",
"owner": {
"name": "ssheleg",
"url": "https://github.com/ssheleg/make-skill"
},
"description": "Create, retrofit, audit, and ship agent skills & Claude Code plugins the proven ssheleg way \u2014 spec-conformant, validated, and installable on every agent.",
"plugins": [
{
"name": "make-skill",
"displayName": "Make Skill",
"source": "./plugins/make-skill",
"description": "Encodes the Agent Skills open standard AND Anthropic's platform rules (front-matter limits, disclosure budgets, per-surface runtime limits, the Skills API, evaluation-driven authoring) plus the Claude Code plugin reference (manifest schemas, component layout, `claude plugin validate --strict`) and the proven ssheleg pipeline: marketplace repo layout, version sync, validator + CI, multi-channel distribution (Claude Code plugin, vercel skills CLI, npx, Cursor), npm gotchas, end-to-end first publish, the review checklist for third-party skills, and MCP / A2A rules for protocol-connected skills.",
"version": "0.25.2",
"author": {
"name": "ssheleg",
"url": "https://x.com/sshlg93"
},
"homepage": "https://github.com/ssheleg/make-skill",
"repository": "https://github.com/ssheleg/make-skill",
"license": "MIT",
"keywords": [
"skill",
"plugin",
"scaffold",
"marketplace",
"validator",
"distribution",
"claude-code",
"cursor",
"spec",
"agent-skills",
"mcp",
"a2a"
],
"category": "development"
}
]
}
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 · 41 lines scan A d78d4715d4a2
make-skill is a plugin published in the GitHub repository ssheleg/make-skill (3 stars, last pushed 2d ago), licensed MIT. 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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