greynoise

greynoise is a skill for Claude Code, Codex from taracodlabs/aiden. It costs 17 tokens per session (1,036 once invoked), scanned A, original, AGPL-3.0.

A tool for classifying IP addresses, which identify devices or network connections, as scanners or targeted attackers. It is designed to help interpret security alerts.

In plain words
What is it for?
Use it to classify IPs and assess whether an alert may come from a scanner or a targeted attacker.
Why use it?
It helps separate likely automated scanning from more focused attacks so security teams can filter noisy alerts.

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/taracodlabs/aiden/greynoise
Any agent
npx skills add taracodlabs/aiden --skill greynoise
Clone the repo
git clone --depth 1 https://github.com/taracodlabs/aiden

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 greynoise

README.md
[![agentmods](https://agentmods.dev/badge/skills/taracodlabs/aiden/greynoise.svg)](https://agentmods.dev/skills/taracodlabs/aiden/greynoise)
Your own site
<a href="https://agentmods.dev/skills/taracodlabs/aiden/greynoise"><img src="https://agentmods.dev/badge/skills/taracodlabs/aiden/greynoise.svg" alt="Measured on agentmods" height="20"></a>
Per session 17 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,036 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 $0.00017 $0.01036
Opus 5 $0.00009 $0.00518
Sonnet 5 $0.00003 $0.00207
Haiku 4.5 $0.00002 $0.00104

Measured 5d ago against content hash 86d3e2024c4d, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

greynoise 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 5d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (index.ts), 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.

skills/greynoise/SKILL.md · 97 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

2 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. 5d ago First seen · 97 lines · 17 tokens per session scan A 86d3e2024c4d

Subscribe to this mod's changes

greynoise is a skill published in the GitHub repository taracodlabs/aiden (801 stars, last pushed 11d ago), licensed AGPL-3.0. It adds 17 tokens to every session and 1,036 once invoked, about $0.0001 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 2026-08-30.

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