hello

hello is a skill for Claude Code, Codex from junghan0611/entwurf. It costs 44 tokens per session (187 once invoked), scanned A, original, MIT.

A minimal example skill used as a template for creating or renaming skills loaded by the Claude Agent SDK.

In plain words
What is it for?
Use it as a starting point when developing a small skill and replacing the placeholder instructions with your own.
Why use it?
It shows the basic metadata and instruction structure a skill needs to be exposed in an agent session.

Skill for Claude CodeCodex

Part of the entwurf-skill-plugin-example plugin — 1 skill shipped together

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/junghan0611/entwurf/hello
Any agent
npx skills add junghan0611/entwurf --skill hello
Clone the repo
git clone --depth 1 https://github.com/junghan0611/entwurf

Made for: Claude Code, Codex.

Or install entwurf-skill-plugin-example, the plugin that ships this one along with the rest of its 1 skill.

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 hello

README.md
[![agentmods](https://agentmods.dev/badge/skills/junghan0611/entwurf/hello.svg)](https://agentmods.dev/skills/junghan0611/entwurf/hello)
Your own site
<a href="https://agentmods.dev/skills/junghan0611/entwurf/hello"><img src="https://agentmods.dev/badge/skills/junghan0611/entwurf/hello.svg" alt="Measured on agentmods" height="20"></a>
Per session 44 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 187 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original 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 $0.00044 $0.00187
Opus 5 $0.00022 $0.00093
Sonnet 5 $0.00009 $0.00037
Haiku 4.5 $0.00004 $0.00019

Measured 5d ago against content hash a83f3aa82226, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

hello 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.

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.

pi/skill-plugin-example/skills/hello/SKILL.md · 19 lines

What it actually says

hello

This is a placeholder skill. The Claude Agent SDK reads the YAML frontmatter above (name, description) to expose the skill in the session's tool schema. The body of SKILL.md is the instruction the model sees when it activates the skill.

Replace the frontmatter and this body with the actual instruction for your skill. If your skill needs auxiliary scripts or files, place them next to this SKILL.md inside skills/<name>/ — the SDK passes the directory through.

For the full SKILL.md authoring contract see the upstream Claude Agent SDK documentation; entwurf does not reinterpret that contract.

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 · 19 lines · 44 tokens per session scan A a83f3aa82226

Subscribe to this mod's changes

hello is a skill published in the GitHub repository junghan0611/entwurf (27 stars, last pushed today), licensed MIT. It adds 44 tokens to every session and 187 once invoked, about $0.0002 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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