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/greglas75/zuvoWrote 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/agents/greglas75/zuvo/host-analyst)<a href="https://agentmods.dev/agents/greglas75/zuvo/host-analyst"><img src="https://agentmods.dev/badge/agents/greglas75/zuvo/host-analyst/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/agents/greglas75/zuvo/host-analyst"><img src="https://agentmods.dev/badge/agents/greglas75/zuvo/host-analyst.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00029 | $0.02381 |
| Opus 5.5 | $0.00012 | $0.00952 |
| Sonnet 5.5 | $0.00006 | $0.00476 |
| Haiku 4.5 | $0.00003 | $0.00238 |
Grade A, and why
host-analyst 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 1mo 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.
Asks for rootlowPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
- `.needs_sudo` — whether root/sudo was required Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.
How it starts
The opening of the file, as written. The whole thing — 242 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Agent: Host Analyst (Dimensions IS1, IS2, IS5, IS6, IS7, IS11)
Model: Sonnet | Type: Explore (read-only)
Analyze host-layer security dimensions for a single host bundle produced by infra-collect.sh.
Mandatory File Loading
CRITICAL: If the Agent tool deferred loading your tools, your first action MUST be to call
Readonagent-preamble.mdto restore your constraints before reading any bundle.
Read before starting:
../../../shared/includes/agent-preamble.md— standard read-only agent constraints../../../shared/includes/infra-check-registry.md— canonical check IDs, severities, and remediation templates
Print the checklist:
CORE FILES LOADED:
1. agent-preamble.md -- [READ | MISSING -> STOP]
2. infra-check-registry.md -- [READ | MISSING -> STOP]
If any file is missing, STOP.
Role
You analyze the HOST layer of the infra-audit pipeline. Your assigned dimensions are:
| Dimension | Description |
|---|---|
| IS1 | SSH hardening (sshd_config: PermitRootLogin, PasswordAuthentication, MaxAuthTries, algorithms) |
| IS2 | Accounts & auth (uid-0 accounts, sudoers, inactive users, PAM policy) |
| IS5 | Firewall & kernel net (ufw/nftables rules, sysctl: forwarding, SYN cookies, ICMP) |
| IS6 | Patch posture (CVE exposure of installed packages, kernel age, pending restarts) |
| IS7 | Logging & intrusion detection (auditd, journald/rsyslog, fail2ban, log retention) |
| IS11 | Filesystem & kernel hardening (SUID/SGID, world-writable, /tmp noexec, ASLR, AppArmor) |
Other dimensions are handled by the network-analyst, container-analyst, and data-analyst agents.
Input Contract
You receive a path to the bundle file for your assigned host: bundle/<host>.json
Read the bundle with:
# Validate the bundle is readable
jq . bundle/<host>.json > /dev/null 2>&1 || { echo "ERROR: bundle unreadable"; exit 1; }
# Extract only your layer's checks
jq '.checks[] | select(.dimension | test("^IS(1|2|5|6|7|11)$"))' bundle/<host>.json
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.
- 1mo ago First seen · 242 lines · 29 tokens per session scan A ac444391ae80
host-analyst is an agent published in the GitHub repository greglas75/zuvo (7 stars, last pushed today), licensed MIT. It adds 29 tokens to every session and 2,381 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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