Borrowing it
Nothing to install: this file belongs to rse/ase. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/rse/ase/master/.claude/skills/hello/SKILL.mdgit clone --depth 1 https://github.com/rse/aseWrote 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/skills/rse/ase/hello)<a href="https://agentmods.dev/skills/rse/ase/hello"><img src="https://agentmods.dev/badge/skills/rse/ase/hello/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/skills/rse/ase/hello"><img src="https://agentmods.dev/badge/skills/rse/ase/hello.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00039 | $0.00451 |
| Opus 5.5 | $0.00016 | $0.00180 |
| Sonnet 5.5 | $0.00008 | $0.00090 |
| Haiku 4.5 | $0.00004 | $0.00045 |
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 29d 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.
What it actually says
!ase util meta control skill getopt
$ARGUMENTS
-
-
Set Set
-
The current time is set by capturing the output of the
Bashtool commanddate '+%Y-%m-%d %H:%M:%S' -
The greeting format in Markdown is exactly:
[<time/>]: ☯ *Hello*, **<subject/>**, nice to meet you!
-
-
-
Create the greeting string, based on the greeting format and store the result in .
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Translate the into the target language .
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Output the greeting with the following . Do not output anything else.
-
What ships with it
1 file 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.
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.
- 29d ago Changed 87a50d57faef
- 1mo ago Changed · +9 lines 2db3a985fed0
- 1mo ago First seen · 57 lines · 39 tokens per session scan A 3d7ea3a297b3
hello is a skill published in the GitHub repository rse/ase (60 stars, last pushed today), licensed Apache-2.0. It adds 39 tokens to every session and 451 once invoked, about $0.0002 per session on Opus 5.5. 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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