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skills: Instructions file for Claude Code

CLAUDE.md

skills CLAUDE.md is an instructions file for Claude Code from ondata/skills. It costs 803 tokens per session, scanned A, original, no licence file.

Project instructions for creating, testing, and installing Claude Code skills, which are reusable instruction packages for an agent.

In plain words
What is it for?
They are for working on the ondata/skills project, including its project files, skill definitions, evaluations, and local installation.
Why use it?
They help contributors follow the project’s expected skill structure and local evaluation process.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md.

This is ondata/skills's own configuration. It tells Claude Code how to work on skills 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 skills configures →

not rated 5repo 1mo ago A scan 803 tokens custom licence
View source ↗ ondata/skills
Reuse

Borrowing it

Nothing to install: this file belongs to ondata/skills. 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/ondata/skills/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/ondata/skills

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 skills CLAUDE.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/ondata/skills/claude-md/github.svg)](https://agentmods.dev/instructions/ondata/skills/claude-md)
Your own site
<a href="https://agentmods.dev/instructions/ondata/skills/claude-md"><img src="https://agentmods.dev/badge/instructions/ondata/skills/claude-md/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 skills CLAUDE.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/ondata/skills/claude-md"><img src="https://agentmods.dev/badge/instructions/ondata/skills/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 803 This file is loaded in full into every session.
When invoked 803 The same file — it is already loaded in full.
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 $0.00803 $0.00803
Opus 5.5 $0.00321 $0.00321
Sonnet 5.5 $0.00161 $0.00161
Haiku 4.5 $0.00080 $0.00080

Measured 2mo ago against content hash eead4215ccf7, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

skills CLAUDE.md 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 2mo 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.

- Always use **single-line** `curl` commands — multi-line `\` continuation breaks argument parsing in agent environments.
CLAUDE.md · 76 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

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. 2mo ago First seen · 76 lines · 803 tokens per session scan A eead4215ccf7

Subscribe to this mod's changes

skills CLAUDE.md is an instructions file published in the GitHub repository ondata/skills (5 stars, last pushed 1mo ago), with no licence file. It adds 803 tokens to every session, about $0.0032 per session on Opus 5.5. 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 2026-08-31.

Building agentsLLMagent-skillsai-agentai-skillsondataopen-data
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