oh-my-claude: Instructions file for Claude Code

CLAUDE.md

oh-my-claude CLAUDE.md is an instructions file for Claude Code from TechDufus/oh-my-claude. It costs 978 tokens per session, scanned A, original, MIT.

Repository instructions for oh-my-claude, a Claude Code plugin with an intensive work mode, context protection, and specialized agent workflows.

In plain words
What is it for?
Use them when modifying agents, hooks, commands, skills, documentation, plugin metadata, tests, or version numbers.
Why use it?
They describe the plugin’s folders, runtime components, tests, and versioning rules so changes are made in the right place and releases stay consistent.

Instructions file for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable. Also seen: mentions CLAUDE.md; mentions Claude Code.

This is TechDufus/oh-my-claude's own configuration. It tells Claude Code how to work on oh-my-claude 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 oh-my-claude configures →

Runs only inside a plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else, and the catalogue could not identify which plugin ships it.

Reuse

Borrowing it

Nothing to install: this file belongs to TechDufus/oh-my-claude. 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/TechDufus/oh-my-claude/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/TechDufus/oh-my-claude

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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Per session 978 This file is loaded in full into every session.
When invoked 978 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 $0.00978 $0.00978
Opus 5 $0.00489 $0.00489
Sonnet 5 $0.00196 $0.00196
Haiku 4.5 $0.00098 $0.00098

Measured 9d ago against content hash de49cceccefb, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

oh-my-claude 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 9d 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 · 105 lines

How it starts

The opening of the file, as written. The whole thing — 105 lines — stays where its author put it; the contents beside it link to each section on GitHub.

oh-my-claude Development

Claude Code plugin providing ultrawork mode, context protection, and specialized agent workflows.

Structure

├── .claude-plugin/marketplace.json    # Marketplace registry (version x2)
├── .github/workflows/validate-plugin.yml
├── PLUGIN-STRUCTURE.md               # Detailed architecture guide
├── tests/oh-my-claude/hooks/         # Hook unit tests
│   └── CLAUDE.md                     # Testing conventions
└── plugins/oh-my-claude/             # The actual plugin
    ├── .claude-plugin/plugin.json    # Plugin metadata (version x1)
    ├── agents/                       # 7 specialized agents
    ├── docs/                         # Authoring guides and compatibility notes
    ├── hooks/                        # Python hooks (PEP 723)
    │   └── CLAUDE.md                 # Hook development patterns
    ├── commands/                     # /prime (auto-discovered)
    ├── skills/                       # Skills (in plugin.json)
    │   └── oh-my-claude-runtime/     # Runtime workflow guidance skill
    └── .mcp.json                     # Plugin MCP servers

Plugin-root CLAUDE.md is not loaded as runtime context by current Claude Code. Ship runtime behavior through hooks, skills, agents, commands, MCP, and plugin settings instead.

Development Workflow

Prerequisites

  • jq - JSON validation
  • Python 3.11+ - Hooks auto-install deps via uv

Version Bumping (CRITICAL)

Claude Code caches plugins. Any change requires bumping version in BOTH:

  1. .claude-plugin/marketplace.json - metadata.version AND plugins[0].version
  2. plugins/oh-my-claude/.claude-plugin/plugin.json

Then: /plugin update oh-my-claude and start new session.

Testing

Run hook unit tests:

cd tests/oh-my-claude/hooks
uv run --with pytest pytest . -v

CI/CD

GitHub Actions validates: JSON syntax, version sync across files, no ../ paths, shellcheck, ruff linting, pytest, and skill directories. Pytest covers structured hook args and hook script existence.

Read the full file on GitHub · 105 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. 9d ago First seen · 105 lines · 978 tokens per session scan A de49cceccefb

Subscribe to this mod's changes

oh-my-claude CLAUDE.md is an instructions file published in the GitHub repository TechDufus/oh-my-claude (176 stars, last pushed 1mo ago), licensed MIT. It adds 978 tokens to every session, about $0.0049 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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