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sofos-code: Instructions file for Claude Code

CLAUDE.md

sofos-code CLAUDE.md is an instructions file for Claude Code from alexylon/sofos-code. It costs 14 tokens per session, scanned A, original, Apache-2.0.

A project instruction that makes AGENTS.md the single source of truth for sofos-code. AGENTS.md is a convention for guidance that coding agents read before editing a project.

In plain words
What is it for?
Use it to direct coding agents to the project's main instruction file.
Why use it?
It tells agents where the authoritative instructions are, avoiding conflicting guidance in multiple files.

Instructions file for Claude Code

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

This is alexylon/sofos-code's own configuration. It tells Claude Code how to work on sofos-code 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 sofos-code configures →

not rated 10repo 20d ago A scan 14 tokens original Apache-2.0
View source ↗ alexylon/sofos-code
Reuse

Borrowing it

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

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 sofos-code CLAUDE.md

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

Your own site · 80×15
<a href="https://agentmods.dev/instructions/alexylon/sofos-code/claude-md"><img src="https://agentmods.dev/badge/instructions/alexylon/sofos-code/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 14 This file is loaded in full into every session.
When invoked 14 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 $0.00014 $0.00014
Opus 5.5 $0.00006 $0.00006
Sonnet 5.5 $0.00003 $0.00003
Haiku 4.5 $0.00001 $0.00001

Measured 2mo ago against content hash e88d67f12460, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

sofos-code 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 · 2 lines

What it actually says

Use AGENTS.md as the single source of truth for all 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 · 2 lines · 14 tokens per session scan A e88d67f12460

Subscribe to this mod's changes

sofos-code CLAUDE.md is an instructions file published in the GitHub repository alexylon/sofos-code (10 stars, last pushed 20d ago), licensed Apache-2.0. It adds 14 tokens to every session, about $0.0001 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 2026-08-31.

Code Generationclaudeclideveloperdeveloper-toolsmcp
Related

sofos-code CLAUDE.md compared with instructions from other repositories

sofos-code CLAUDE.md next to 6 instructions from other repositories
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sofos-code CLAUDE.mdalexylon/sofos-codeInstructions file1020d agoApache-2.0A14Claude Code
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deepseek-harness AGENTS.mddeepseek-ai/deepseek-harnessInstructions file274k2d agoMITA4,313Codex, OpenCode