01coder-agent-skills: Instructions file for Claude Code

CLAUDE.md

01coder-agent-skills CLAUDE.md is an instructions file for Claude Code from sugarforever/01coder-agent-skills. It costs 811 tokens per session, scanned A, original, MIT.

A project instruction file for a marketplace of Claude Code skills, where related skills are grouped into installable plugins.

In plain words
What is it for?
Use it when editing skill folders, plugin definitions, or the `marketplace.json` catalog.
Why use it?
It explains the repository structure and the difference between a marketplace, a plugin, and a skill, reducing confusion when adding or updating entries.

Instructions file for Claude Code

Written for Claude Code: Claude Code plugin machinery. Also seen: reads .claude/ paths; mentions .claude-plugin; mentions CLAUDE.md.

This is sugarforever/01coder-agent-skills's own configuration. It tells Claude Code how to work on 01coder-agent-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 01coder-agent-skills configures →

Reuse

Borrowing it

Nothing to install: this file belongs to sugarforever/01coder-agent-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/sugarforever/01coder-agent-skills/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/sugarforever/01coder-agent-skills

Made for: Claude Code.

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README.md
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Per session 811 This file is loaded in full into every session.
When invoked 811 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00811 $0.00811
Opus 5.5 $0.00324 $0.00324
Sonnet 5.5 $0.00162 $0.00162
Haiku 4.5 $0.00081 $0.00081

Measured 2mo ago against content hash 8df5662e702f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

01coder-agent-skills CLAUDE.md 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 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.

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.

CLAUDE.md · 100 lines

How it starts

The opening of the file, as written. The whole thing — 100 lines — stays where its author put it; the contents beside it link to each section on GitHub.

01coder Agent Skills

A Claude Code plugin marketplace containing skills grouped by category.

Repo Structure

01coder-agent-skills/
├── .claude-plugin/
│   └── marketplace.json       # Marketplace catalog (groups skills into plugins)
├── skills/                    # All skills live here
│   ├── {skill-name}/
│   │   ├── SKILL.md           # Skill definition (frontmatter + instructions)
│   │   ├── references/        # Domain knowledge, patterns (optional)
│   │   ├── scripts/           # Automation scripts (optional)
│   │   ├── assets/            # Templates, resources (optional)
│   │   └── templates/         # Report templates (optional)
│   └── ...
├── CLAUDE.md                  # This file
└── README.md

Plugin & Marketplace Architecture

This repo is a marketplace — a catalog of plugins that users add to Claude Code.

Key Concepts

  • Marketplace = this repo. Users add it with /plugin marketplace add sugarforever/01coder-agent-skills
  • Plugin = a group of related skills. Defined in marketplace.json under plugins[]
  • Skill = a SKILL.md file that Claude auto-invokes based on context

marketplace.json Structure

All skills are bundled in a single plugin 01coder-skills. The plugin uses:

  • "source": "./" — plugin root is the repo root
  • "skills": [...] — explicit list of all skill directory paths
{
    "plugins": [
        {
            "name": "01coder-skills",
            "source": "./",
            "skills": [
                "./skills/video-planner",
                "./skills/share-reading"
            ]
        }
    ]
}

This structure ensures that when the plugin is installed and cached, the skills/ directory hierarchy is preserved and Claude Code can discover the SKILL.md files.

Installation

/plugin marketplace add sugarforever/01coder-agent-skills
/plugin install 01coder-skills@01coder-agent-skills

New skills are picked up automatically on marketplace update — no reinstall needed.

Read the full file on GitHub · 100 lines

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 · 100 lines · 811 tokens per session scan A 8df5662e702f

Subscribe to this mod's changes

01coder-agent-skills CLAUDE.md is an instructions file published in the GitHub repository sugarforever/01coder-agent-skills (139 stars, last pushed 18d ago), licensed MIT. It adds 811 tokens to every session, about $0.0032 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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