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ar-io-node: Skill for Claude Code

.claude/skills/testing/SKILL.md

testing is a skill for Claude Code from ar-io/ar-io-node. It costs 0 tokens per session (3,205 once invoked), scanned A, original, AGPL-3.0.

A testing guide for the ar-io-node repository, covering which test type to use and how to run it.

In plain words
What is it for?
Writing tests, selecting an appropriate test layer, running individual tests or the suite, and investigating test failures.
Why use it?
It reduces guesswork when choosing between unit, property, end-to-end, integration, load, and other tests.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is ar-io/ar-io-node's own configuration. It tells Claude Code how to work on ar-io-node itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything ar-io-node configures →

not rated 129repo changed 10d ago A scan 0 tokens AGPL-3.0
View source ↗ ar-io/ar-io-node ar.io
Reuse

Borrowing it

Nothing to install: this file belongs to ar-io/ar-io-node. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/ar-io/ar-io-node/develop/.claude/skills/testing/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/ar-io/ar-io-node

Made for: Claude Code.

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 testing

README.md
[![agentmods](https://agentmods.dev/badge/skills/ar-io/ar-io-node/testing/github.svg)](https://agentmods.dev/skills/ar-io/ar-io-node/testing)
Your own site
<a href="https://agentmods.dev/skills/ar-io/ar-io-node/testing"><img src="https://agentmods.dev/badge/skills/ar-io/ar-io-node/testing/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.

agentmods 80×15 button for testing

Your own site · 80×15
<a href="https://agentmods.dev/skills/ar-io/ar-io-node/testing"><img src="https://agentmods.dev/badge/skills/ar-io/ar-io-node/testing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,205 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00000 $0.03205
Opus 5.5 $0.00000 $0.01282
Sonnet 5.5 $0.00000 $0.00641
Haiku 4.5 $0.00000 $0.00320

Measured 10d ago against content hash 42b241bf37e7, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

testing 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 10d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

When a test needs the real service running (load tools, parquet scripts, ad-hoc curl):
.claude/skills/testing/SKILL.md · 127 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

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. 10d ago Changed 42b241bf37e7
  2. 25d ago Changed · +2 lines df06ea43ef6e
  3. 27d ago Changed · +12 lines 7c6037ca4644
  4. 1mo ago Changed · +1 lines 9525cc4ec969
  5. 2mo ago First seen · 112 lines · 0 tokens per session scan A dd121a61c6c2

Subscribe to this mod's changes

testing is a skill published in the GitHub repository ar-io/ar-io-node (129 stars, last pushed 6d ago), licensed AGPL-3.0. It costs nothing until one of its globs matches a file; then it loads 3,205 tokens. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

TestingTypeScriptWeb3 and blockchainarweavegraphqlpermawebsqlite
Related

testing compared with skills from other repositories

testing next to 6 skills from other repositories
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testingar-io/ar-io-nodeSkill1296d agoAGPL-3.0A0Claude Code
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webiny-form-modelwebiny/webiny-jsSkill8.0kyesterdaynoneA93Claude Code, Codex
webiny-api-permissionswebiny/webiny-jsSkill8.0kyesterdaynoneA78Claude Code, Codex
webiny-event-handler-patternwebiny/webiny-jsSkill8.0kyesterdaynoneA64Claude Code, Codex
building-emdash-siteemdash-cms/emdashSkill14kyesterdayMITA66Claude Code, Codex
okx-cex-earnokx/agent-trade-kitSkill5014d agoMITA274Claude Code, Codex