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GhostShell: Instructions file for Claude Code

CLAUDE.md

GhostShell CLAUDE.md is an instructions file for Claude Code from woodwosj/GhostShell. It costs 143 tokens per session, scanned A, a copy of 1code AGENTS.md, MIT.

A project instruction file for AI assistants working on GhostShell, including rules for when to read its OpenSpec guidance. OpenSpec is a system for managing software change proposals and specifications.

In plain words
What is it for?
Use it when planning changes, proposing new capabilities, changing architecture, or handling major performance or security work.
Why use it?
It tells the assistant when the project's authoritative planning and specification rules must be checked.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions AGENTS.md.

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

not rated 1repo 4mo ago A scan 143 tokens copy · 100% MIT
View source ↗ woodwosj/GhostShell
Reuse

Borrowing it

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

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.

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README.md
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Your own site
<a href="https://agentmods.dev/instructions/woodwosj/ghostshell/claude-md"><img src="https://agentmods.dev/badge/instructions/woodwosj/ghostshell/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.

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Your own site · 80×15
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Per session 143 This file is loaded in full into every session.
When invoked 143 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 100% copy Near-identical to another mod 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 $0.00143 $0.00143
Opus 5.5 $0.00057 $0.00057
Sonnet 5.5 $0.00029 $0.00029
Haiku 4.5 $0.00014 $0.00014

Measured 2mo ago against content hash 989371119443, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

GhostShell 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.

Origin

This is a copy

100% identical to 1code AGENTS.md — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

CLAUDE.md · 18 lines

What it actually says

OpenSpec Instructions

These instructions are for AI assistants working in this project.

Always open @/openspec/AGENTS.md when the request:

  • Mentions planning or proposals (words like proposal, spec, change, plan)
  • Introduces new capabilities, breaking changes, architecture shifts, or big performance/security work
  • Sounds ambiguous and you need the authoritative spec before coding

Use @/openspec/AGENTS.md to learn:

  • How to create and apply change proposals
  • Spec format and conventions
  • Project structure and guidelines

Keep this managed block so 'openspec update' can refresh the instructions.

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 · 18 lines · 143 tokens per session scan A 989371119443

Subscribe to this mod's changes

GhostShell CLAUDE.md is an instructions file published in the GitHub repository woodwosj/GhostShell (1 stars, last pushed 4mo ago), licensed MIT. It adds 143 tokens to every session, about $0.0006 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to 1code AGENTS.md, differing in 0 lines, and is treated as a copy.

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Related

GhostShell CLAUDE.md compared with instructions from other repositories

GhostShell CLAUDE.md next to 6 instructions from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
GhostShell CLAUDE.mdwoodwosj/GhostShellInstructions file14mo agoMITA143Claude Code
vscode buildNext.instructions.mdmicrosoft/vscodeInstructions file195kyesterdayMITA9,719GitHub Copilot
next.js AGENTS.mdvercel/next.jsInstructions file143kyesterdayMITA7,461Codex, OpenCode
langchain AGENTS.mdlangchain-ai/langchainInstructions file149kyesterdayMITA4,680Codex, OpenCode
vscode oss-third-party-notices.instructions.mdmicrosoft/vscodeInstructions file195kyesterdayMITA5,516GitHub Copilot
vscode copilot-instructions.mdmicrosoft/vscodeInstructions file195kyesterdayMITA3,093GitHub Copilot
deepseek-harness AGENTS.mddeepseek-ai/deepseek-harnessInstructions file274k2d agoMITA4,313Codex, OpenCode