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 trtmn/agent-pluginsnpx agentmods add plugins/trtmn/agent-plugins/jellyfingit clone --depth 1 https://github.com/trtmn/agent-pluginsGrade A, and why
jellyfin scanned grade A with 1 finding 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
"description": "Interact with a Jellyfin media server via its REST API using the `jellyfin` CLI (a curl wrapper with 1Password auth). Use this skill whenever the user wants to browse or search their Jellyfin library, tri What it actually says
{
"name": "jellyfin",
"version": "1.0.1",
"description": "Interact with a Jellyfin media server via its REST API using the `jellyfin` CLI (a curl wrapper with 1Password auth). Use this skill whenever the user wants to browse or search their Jellyfin library, trigger a library scan/refresh, inspect active playback sessions or remote-control playback, list users, or check server/system status. Trigger on phrases like \"scan my Jellyfin library\", \"what's playing on Jellyfin\", \"search Jellyfin for X\", \"refresh Jellyfin\", \"list Jellyfin users\", \"Jellyfin server info\", or any mention of Jellyfin."
}
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 · 6 lines scan A c89a400dbf96
jellyfin is a plugin published in the GitHub repository trtmn/agent-plugins (2 stars, last pushed 4d ago), licensed Unlicense. 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 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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