check-environment

check-environment is a skill for Claude Code from claude-world/director-mode-lite. It costs 44 tokens per session (918 once invoked), scanned A, original, MIT.

A checklist for verifying that a coding environment and its supporting tools are installed and working. It checks command-line tools, project-specific dependencies, agents, skills, and optional components.

In plain words
What is it for?
Use it after installation or when Claude, Codex, Grok, Director Mode, agents, skills, or project tooling is not behaving as expected.
Why use it?
It finds missing or incompatible tools before they cause confusing failures during development.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter. Also seen: reads .claude/ paths; mentions CLAUDE.md; mentions Claude Code.

Part of the director-mode-lite plugin — 36 skills, 14 agents shipped together

Good fit Use it after installation or when Claude, Codex, Grok, Director Mode, agents, skills, or project tooling is not behaving as expected.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/claude-world/director-mode-lite/check-environment
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 claude-world/director-mode-lite --skill check-environment
Clone the repo
git clone --depth 1 https://github.com/claude-world/director-mode-lite

Made for: Claude Code.

Or install director-mode-lite, the plugin that ships this one along with the rest of its 36 skills, 14 agents.

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 check-environment

README.md
[![agentmods](https://agentmods.dev/badge/skills/claude-world/director-mode-lite/check-environment/github.svg)](https://agentmods.dev/skills/claude-world/director-mode-lite/check-environment)
Your own site
<a href="https://agentmods.dev/skills/claude-world/director-mode-lite/check-environment"><img src="https://agentmods.dev/badge/skills/claude-world/director-mode-lite/check-environment/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 check-environment

Your own site · 80×15
<a href="https://agentmods.dev/skills/claude-world/director-mode-lite/check-environment"><img src="https://agentmods.dev/badge/skills/claude-world/director-mode-lite/check-environment.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 44 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 918 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 pass 7 Sept 2026
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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00044 $0.00918
Opus 5 $0.00022 $0.00459
Sonnet 5 $0.00009 $0.00184
Haiku 4.5 $0.00004 $0.00092

Measured 9d ago against content hash 5129994acd01, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

check-environment 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.

skills/check-environment/SKILL.md · 112 lines

How it starts

The opening of the file, as written. The whole thing — 112 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Environment Check

Verify your development environment is ready for Director Mode.


Checks Performed

1. Director Mode Dependencies

Tool Purpose Check Required
git Version control git --version Yes
python3 Installer, adapters, and relay python3 --version Yes
jq Legacy automation hooks only jq --version No

2. CLI versions

claude --version
codex --version
grok --version

Minimum: 2.0.0+

3. Project-Specific Tools

Auto-detect project type and check relevant tools:

Project Type Detected By Tools to Check
Node.js package.json node --version, npm --version or pnpm --version
Python requirements.txt, pyproject.toml python3 --version, pip --version
Rust Cargo.toml rustc --version, cargo --version
Go go.mod go version
Java pom.xml, build.gradle java --version, mvn --version or gradle --version

4. Director Mode Installation

  • .claude/ directory exists
  • .claude/skills/ populated (35 skills expected)
  • .agents/skills/ populated when the Codex adapter is selected
  • .director-mode/bin/director-relay is executable
  • .director-mode/bin/director-open is executable
  • .claude/agents/ populated (14 agents expected)
  • .codex/agents/ and .grok/agents/ populated for selected adapters
  • no active hooks for the default install
  • optional hooks match the explicitly selected mode and contain no surprise deny/block response
  • CLAUDE.md exists

5. Git Status

  • Inside git repository
  • Clean working tree (or note uncommitted changes)

Output Format

## Environment Check Results

### Director Mode Dependencies
- [x] git: 2.39.0
- [x] python3: 3.11.0
- [x] jq: 1.7

### Claude Code
- [x] Version: 2.1.201

### Project Tools (Node.js detected)
- [x] node: 20.10.0
- [x] pnpm: 8.12.0

### Director Mode Installation
- [x] .claude/ directory exists
- [x] 35 skills installed
- [x] Cross-CLI guidance and relay installed
- [x] 14 agents installed
- [x] default hook mode: none
- [x] native open launcher installed
- [x] CLAUDE.md exists

### Git Status
- [x] Git repository initialized
- [ ] Warning: 3 uncommitted changes

### Summary
**Status**: Ready

Read the full file on GitHub · 112 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 · 112 lines · 44 tokens per session scan A 5129994acd01

Subscribe to this mod's changes

check-environment is a skill published in the GitHub repository claude-world/director-mode-lite (81 stars, last pushed 9d ago), licensed MIT. It adds 44 tokens to every session and 918 once invoked, about $0.0002 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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