A guide for running the Claude Code command-line tool. It covers using Claude Code for code review, analysis, implementation, refactoring, debugging, and follow-up work, including model and permission choices.

Use it when a user specifically asks for a task to be performed through Claude Code.

It makes Claude Code's command-line workflow consistent and records which model and permission mode fit different tasks. It also captures Claude's actual output for later summarizing.

claude-code — Skill for Claude Code by ondrej-svec

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add ondrej-svec/heart-of-gold-toolkit --skill claude-code

Clone the repo

git clone --depth 1 https://github.com/ondrej-svec/heart-of-gold-toolkit

Made for: Claude Code.

Or install guide, the plugin that ships this one along with the rest of its 7 skills.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/ondrej-svec/heart-of-gold-toolkit/claude-code/github.svg)](https://agentmods.dev/skills/ondrej-svec/heart-of-gold-toolkit/claude-code)

Your own site

<a href="https://agentmods.dev/skills/ondrej-svec/heart-of-gold-toolkit/claude-code"><img src="https://agentmods.dev/badge/skills/ondrej-svec/heart-of-gold-toolkit/claude-code/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/ondrej-svec/heart-of-gold-toolkit/claude-code"><img src="https://agentmods.dev/badge/skills/ondrej-svec/heart-of-gold-toolkit/claude-code.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 43 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 1,886 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits

NVIDIA SkillSpector warn 7 Sept 2026

SkillSpector: 5 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

high Excessive Agency · line 84
Skill selects an external model or provider that may use a different account or billing plan than the operator expects. Undisclosed model switches can cause unexpected cost or quota consumption.

Fix: Remove the model/provider override or disclose it prominently and require explicit operator approval before invoking an external coding CLI or billed model.
high Excessive Agency · line 109
Skill selects an external model or provider that may use a different account or billing plan than the operator expects. Undisclosed model switches can cause unexpected cost or quota consumption.

Fix: Remove the model/provider override or disclose it prominently and require explicit operator approval before invoking an external coding CLI or billed model.
high Excessive Agency · line 122
Skill selects an external model or provider that may use a different account or billing plan than the operator expects. Undisclosed model switches can cause unexpected cost or quota consumption.

Fix: Remove the model/provider override or disclose it prominently and require explicit operator approval before invoking an external coding CLI or billed model.
high Excessive Agency · line 132
Skill selects an external model or provider that may use a different account or billing plan than the operator expects. Undisclosed model switches can cause unexpected cost or quota consumption.

Fix: Remove the model/provider override or disclose it prominently and require explicit operator approval before invoking an external coding CLI or billed model.
medium Excessive Agency · line 26
Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.

How audits are shown

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.

Model	Per session	Once invoked
Fable 5.1	$0.00043	$0.01886
Opus 5.5	$0.00017	$0.00754
Sonnet 5.5	$0.00009	$0.00377
Haiku 4.5	$0.00004	$0.00189

Measured 2mo ago against content hash 085aa404a980, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

claude-code 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.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/run-claude-code.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

plugins/guide/skills/claude-code/SKILL.md · 164 lines

How it starts

The opening of the file, as written. The whole thing — 164 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Claude Code CLI Skill Guide

Use this skill to run Claude Code directly, capture Claude's actual output, and summarize it back to the user.

Mirror the codex skill's style: short, direct, and command-first. Do not improvise. Do not use the wrapper as the normal path.

Available Models

Model	Best for
`sonnet`	Default recommendation for most coding, review, and analysis tasks
`opus`	Stronger reasoning for ambiguous, high-stakes, or architecture-heavy work
`haiku`	Fast, lightweight follow-ups and narrow questions
`default`	Anthropic's account/environment default
`opusplan`	Planning-heavy tasks that intentionally mix planning and execution

Default recommendation: sonnet for most tasks, opus when depth matters more than speed.

Permission Modes

Choose the permission mode yourself based on the task. Do not ask the user unless they explicitly want to control it.

Mode	Use when
`default`	Normal review, analysis, debugging, and repo inspection
`acceptEdits`	Claude should edit files or implement changes
`plan`	The user explicitly wants strict read-only planning / analysis
`bypassPermissions`	Only with explicit user approval in a trusted environment

Hard rule: do not use plan for ordinary reviews just because it sounds safe. For normal reviews, use default.

Running a Task

Ask the user which model to use (default: sonnet) in one short question, unless they already specified it.
Infer the permission mode from the task:
- review / analysis / debugging: default
- implementation / refactor / fix: acceptEdits
- strict read-only planning requested by the user: plan
Treat --max-turns as an optional circuit breaker, not a default quality knob.
- default: omit --max-turns
- use it only when the user explicitly asks for a bounded run, or when you are intentionally doing a narrow one-shot
- narrow question or follow-up when a hard cap is intentionally desired: 3
- normal file or diff review when a hard cap is intentionally desired: 6
- implementation / refactor when a hard cap is intentionally desired: 10 to 12
Do not add --effort high by default. Use the CLI default unless the user explicitly wants deeper reasoning or the task is unusually ambiguous.
Assemble the direct claude command with the appropriate options:
- -p, --print
- --output-format text for short runs that should complete quickly
- --output-format stream-json --verbose for long repo reviews, investigations, or any run where you need progress visibility
- --model <MODEL>
- --permission-mode <MODE>
- --max-turns <N> only when you intentionally want to cap the run
- "your prompt here" immediately after -p when using variadic flags like --allowedTools
- --allowedTools <TOOL> [<TOOL> ...] only to pre-approve tools without prompting
- --disallowedTools <TOOL> [<TOOL> ...] when you actually need to prevent specific tools
Run the command, capture the output, and summarize Claude's actual result.
If Claude does not actually return output, stop and report failure plainly.

Read the full file on GitHub · 164 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

scripts/run-claude-code.sh 6.1 KB runs code

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.

2mo ago First seen · 164 lines · 43 tokens per session scan A 085aa404a980

Subscribe to this mod's changes

claude-code is a skill published in the GitHub repository ondrej-svec/heart-of-gold-toolkit (19 stars, last pushed 1mo ago), licensed MIT. It adds 43 tokens to every session and 1,886 once invoked, about $0.0002 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.

Building agents

claude-code next to 6 skills from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
claude-codeondrej-svec/heart-of-gold-toolkit	Skill	19	1mo ago	MIT	A	43	Claude Code
imagegenopenai/codex	Skill	134k	today	Apache-2.0	A	113	Codex
playwright-climicrosoft/playwright	Skill	99k	today	Apache-2.0	A	19	Claude Code
local-ai-agentsmicrosoft/ai-agents-for-beginners	Skill	79k	today	MIT	A	200	Claude Code, Codex
systematic-debuggingobra/superpowers	Skill	314k	3d ago	MIT	A	21	Claude Code
next-cache-components-adoptionvercel/next.js	Skill	143k	yesterday	MIT	A	95	Claude Code
next-partial-prefetching-adoptionvercel/next.js	Skill	143k	yesterday	MIT	A	103	Claude Code