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/tailscale-policy-managergit clone --depth 1 https://github.com/trtmn/agent-pluginsGrade A, and why
tailscale-policy-manager 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
{
"name": "tailscale-policy-manager",
"version": "1.0.0",
"description": "Expert guide for managing Tailscale tailnet policy files (ACLs). Covers the HuJSON policy file format, all policy sections (acls, groups, tags, SSH rules, autoApprovers, tests), the Tailscale API for validating and applying policies, and GitOps automation via GitHub Actions so changes are automatically validated on PRs and deployed on merge. Use this skill whenever the user is working with Tailscale ACLs or policy files, wants to set up git-based policy management, needs to write or debug access rules, wants to automate policy deployment, or mentions tailnet, Tailscale ACL, policy.hujson, gitops-acl-action, or Tailscale network permissions. Also trigger for questions like \"how do I restrict which devices can talk to each other on Tailscale\" or \"how do I set up Tailscale SSH rules.\""
}
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 25a46ac4d238
tailscale-policy-manager 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 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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