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 hunter-io/claude-pluginnpx agentmods add plugins/hunter-io/claude-plugin/claude-plugingit clone --depth 1 https://github.com/hunter-io/claude-pluginGrade A, and why
claude-plugin 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 2d 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
{
"name": "hunter",
"description": "Find and verify professional email addresses, search contacts by domain, enrich company and person data, organize leads and lists, run outreach sequences, and push to your CRM -- directly in Claude.",
"version": "0.1.0",
"author": {
"name": "Hunter.io",
"url": "https://hunter.io"
},
"homepage": "https://hunter.io",
"repository": "https://github.com/hunter-io/claude-plugin",
"license": "MIT",
"keywords": ["hunter", "email", "leads", "b2b", "prospecting", "sales", "enrichment", "verification", "sequences", "outreach", "crm"]
}
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.
- 2d ago First seen · 14 lines scan A 33d48b45e4f2
claude-plugin is a plugin published in the GitHub repository hunter-io/claude-plugin (9 stars, last pushed 4d 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 2026-08-30.
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