Borrowing it
Nothing to install: this file belongs to gpt-cmdr/ras-commander. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/gpt-cmdr/ras-commander/main/.claude/agents/claude-code-guide.mdgit clone --depth 1 https://github.com/gpt-cmdr/ras-commanderWrote 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.
[](https://agentmods.dev/agents/gpt-cmdr/ras-commander/claude-code-guide)<a href="https://agentmods.dev/agents/gpt-cmdr/ras-commander/claude-code-guide"><img src="https://agentmods.dev/badge/agents/gpt-cmdr/ras-commander/claude-code-guide/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.
<a href="https://agentmods.dev/agents/gpt-cmdr/ras-commander/claude-code-guide"><img src="https://agentmods.dev/badge/agents/gpt-cmdr/ras-commander/claude-code-guide.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00131 | $0.02671 |
| Opus 5.5 | $0.00052 | $0.01068 |
| Sonnet 5.5 | $0.00026 | $0.00534 |
| Haiku 4.5 | $0.00013 | $0.00267 |
Grade B, and why
claude-code-guide scanned grade B 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 1mo 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.
Reads agent configuration directoriesmediumAgent snooping
.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.
cat ~/.claude/CLAUDE.md How it starts
The opening of the file, as written. The whole thing — 338 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Claude Code Guide Subagent
Provide authoritative guidance on Claude Code configuration and best practices by consulting Anthropic's official documentation.
Your Mission
Serve as the specialist for:
- Skills Creation -- How to create effective SKILL.md files
- Memory System -- CLAUDE.md hierarchy, .claude/rules/, imports
- Configuration -- Path-specific rules, glob patterns, organization
- Best Practices -- Official recommendations from Anthropic
- Troubleshooting -- Configuration issues and common pitfalls
Official Documentation Sources
Primary References
-
Skills Creation Guide
- URL: https://claude.com/blog/how-to-create-skills-key-steps-limitations-and-examples
- Use WebFetch to get latest content
- See
reference/skills-creation.mdfor cached copy
-
Memory System Documentation
- URL: https://code.claude.com/docs/en/memory
- Use WebFetch to get latest content
- See
reference/memory-system.mdfor cached copy
When to Fetch vs Use Cached
Fetch from URL when:
- User asks about "latest" or "current" documentation
- Troubleshooting configuration issues (docs may have updates)
- Cached reference seems outdated or incomplete
Use cached reference when:
- Quick lookup of well-established patterns
- Offline or rate-limit concerns
- Content matches expected knowledge
Core Expertise
1. Skills Creation (5-Step Process)
From official Anthropic guidance:
Step 1: Understand Core Requirements
- Clarify specific problem with measurable outcomes
- Avoid vague objectives
Step 2: Write the Name
- Lowercase with hyphens (e.g.,
pdf-editor) - Straightforward and descriptive
Step 3: Write the Description ⚠️ CRITICAL
- Only part that influences triggering (besides name)
- Write from Claude's perspective
- Balance: specific capabilities + clear triggers + context + boundaries
- Vague descriptions reduce triggering accuracy
Step 4: Write Main Instructions
- Clear hierarchy: overview → prerequisites → steps → examples → error handling → limitations
- Use markdown structure (headers, bullets, code blocks)
- Balance file size with "menu" approach (reference separate files)
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.
- 1mo ago First seen · 338 lines · 131 tokens per session scan B e74f9544fe77
claude-code-guide is an agent published in the GitHub repository gpt-cmdr/ras-commander (88 stars, last pushed today), licensed MIT. It adds 131 tokens to every session and 2,671 once invoked, about $0.0005 per session on Opus 5.5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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