sec-intel

sec-intel is a skill for Claude Code, Codex from evolyob/AGY_SkillBook. It costs 54 tokens per session (416 once invoked), scanned A, original, no licence file.

An evidence-based lookup tool for technical internet and domain information. It checks IP addresses, autonomous systems, domains, and CVEs using sources such as ICANN RDAP, DNS blocklists, and ENISA's EU vulnerability database.

In plain words
What is it for?
Use it to investigate an IP address, network operator, domain, or CVE. It supports checks of domain registration data, DNS blocklist status, and European vulnerability records.
Why use it?
It gathers objective security and registration facts in one workflow instead of relying on guesses. A CVE is a public identifier for a known cybersecurity vulnerability.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/evolyob/agy_skillbook/sec-intel
Any agent
npx skills add evolyob/AGY_SkillBook --skill sec-intel
Clone the repo
git clone --depth 1 https://github.com/evolyob/AGY_SkillBook

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for sec-intel

README.md
[![agentmods](https://agentmods.dev/badge/skills/evolyob/agy_skillbook/sec-intel.svg)](https://agentmods.dev/skills/evolyob/agy_skillbook/sec-intel)
Your own site
<a href="https://agentmods.dev/skills/evolyob/agy_skillbook/sec-intel"><img src="https://agentmods.dev/badge/skills/evolyob/agy_skillbook/sec-intel.svg" alt="Measured on agentmods" height="20"></a>
Per session 54 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 416 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00054 $0.00416
Opus 5 $0.00027 $0.00208
Sonnet 5 $0.00011 $0.00083
Haiku 4.5 $0.00005 $0.00042

Measured 4d ago against content hash 1e4cf715b947, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

sec-intel 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 4d ago.

The scan reads SKILL.md. This mod also ships 4 executable files (scripts/euvd_lookup.py, scripts/icann_rdap_lookup.py, scripts/intel_router.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

agy skill book/sec-intel/SKILL.md · 31 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

6 files beside SKILL.md 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.

Changes

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.

  1. 4d ago First seen · 31 lines · 54 tokens per session scan A 1e4cf715b947

Subscribe to this mod's changes

sec-intel is a skill published in the GitHub repository evolyob/AGY_SkillBook (1 stars, last pushed 4d ago), with no licence file. It adds 54 tokens to every session and 416 once invoked, about $0.0003 per session on Opus 5. 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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