claude-code-cli-openclaw（Claude 代码 CLI OpenClaw）

Skill: Claude Code CLI for OpenClaw

Description

This skill teaches OpenClaw agents how to install, authenticate, configure, and use Claude Code CLI as a coding tool. Claude Code is an official Anthropic CLI that provides file-based context efficiency, reducing token usage by 80-90% compared to raw API calls for coding tasks.

Key Benefits:

• Token Efficiency: ~500 tokens per task vs 10k-50k with raw API (Claude Code reads files via tools instead of dumping full content into context)
• Flat-Rate Billing: Uses Claude Max subscription (OAuth), not per-token API billing
• Better Code Quality: Native file exploration, codebase understanding, and precise edits
• Project Context: CLAUDE.md file provides persistent project brain across sessions

Use Cases:

• Code implementation and refactoring
• Bug fixes with file exploration
• Multi-file code changes
• Project scaffolding
• Code reviews and analysis

🎯 Setup Modes

Prerequisites

• Claude Max Subscription: Required for OAuth authentication (cannot use raw API keys)
• Node.js/npm: For installing the CLI globally
• TTY Terminal: Required for OAuth setup flow (use pty: true with exec tool)
• Git: Recommended for managing code changes in branches
• OpenClaw Gateway: Must be running to apply config patches

Installation

Step 1: Install Claude Code CLI

npm install -g @anthropic-ai/claude-code

Step 2: Verify Installation

which claude && claude --version

Expected output:

/usr/bin/claude
2.1.75

Quick Install

Use the provided installation script:

cd /root/.openclaw/workspace/skills/claude-code
bash scripts/install.sh

The script handles:

• NPM package installation
• Version verification
• Environment setup preparation

Authentication

Claude Code requires browser-based OAuth authentication using a Claude Max subscription. Raw API keys (sk-ant-api03-*) will NOT work.

Interactive Setup (One-Time)

Run this in a PTY terminal (requires TTY):

claude setup-token

Flow:

1. CLI shows spinner + authorization URL:

   https://claude.ai/oauth/authorize?code=true&client_id=...&code_challenge=...

1. Copy URL and open in browser
2. Authorize the application with your Claude Max account
3. Browser shows authorization code
4. Paste code back into terminal at prompt: Paste code here if prompted >
5. Success: ✓ Long-lived authentication token created successfully!
6. Token format: sk-ant-oat01-xxxxx (valid for 1 year)

Storing the Token

The token must be available as the CLAUDE_CODE_OAUTH_TOKEN environment variable.

Option 1: Shell RC Files (Recommended)

echo "export CLAUDE_CODE_OAUTH_TOKEN=YOUR_OAUTH_TOKEN_HERE" >> /root/.bashrc
echo "export CLAUDE_CODE_OAUTH_TOKEN=YOUR_OAUTH_TOKEN_HERE" >> /root/.profile
source /root/.bashrc

Option 2: System-Wide

echo "CLAUDE_CODE_OAUTH_TOKEN=YOUR_OAUTH_TOKEN_HERE" >> /etc/environment

Option 3: OpenClaw Config Only

Add to your openclaw.json config patch (see next section) — the token will be available during OpenClaw backend calls but not direct CLI usage.

🔒 Security Warning

CRITICAL: Never commit your CLAUDE_CODE_OAUTH_TOKEN to version control.

• ✅ Store in environment variables or secrets manager
• ✅ Add .env* files to .gitignore
• ✅ Use OpenClaw config.patch (not committed to git)
• ❌ Never hardcode tokens in scripts
• ❌ Never share tokens publicly or in screenshots
• ❌ Never commit tokens to GitHub/GitLab

Add to your .gitignore:

.env
.env.local
.env.*.local
openclaw.json
config.patch

Verification

echo $CLAUDE_CODE_OAUTH_TOKEN
# Should output: sk-ant-oat01-xxxxx

OpenClaw Configuration

Integrate Claude Code as a CLI backend in OpenClaw, enabling it as a model option and fallback.

Config Patch

Create or append to ~/.openclaw/config.patch:

{
  "agents": {
    "defaults": {
      "cliBackends": {
        "claude-cli": {
          "command": "/usr/bin/claude",
          "env": {
            "CLAUDE_CODE_OAUTH_TOKEN": "YOUR_OAUTH_TOKEN_HERE"
          }
        }
      },
      "models": {
        "claude-cli/opus-4.6": {
          "alias": "claude-cli-opus"
        },
        "claude-cli/sonnet-4.6": {
          "alias": "claude-cli-sonnet"
        }
      }
    },
    "list": [
      {
        "id": "tank",
        "model": {
          "primary": "anthropic/claude-opus-4-5",
          "fallbacks": [
            "google/gemini-3-flash-preview",
            "claude-cli/opus-4.6"
          ]
        }
      }
    ]
  }
}

Apply Configuration

gateway config.patch

Verify in gateway logs or test by spawning a coding session.

Available Models

• claude-cli/sonnet-4.6 → Claude Sonnet 4.6 (fast, general coding)
• claude-cli/opus-4.6 → Claude Opus 4.6 (complex reasoning, architecture)

Use as primary model, fallback, or invoke directly via exec.

Project Setup (CLAUDE.md)

Critical: Every project using Claude Code should have a CLAUDE.md file in its root directory. This is the "project brain" — Claude Code reads it automatically at session start.

What to Include

# Project: [Name]

## Overview
[1-2 sentence project description]

## Tech Stack
- Language: [e.g., TypeScript, Python, Rust]
- Framework: [e.g., Next.js, FastAPI, Supabase]
- Key Dependencies: [list major packages]

## Directory Structure

/ ├── src/ # Source code ├── public/ # Static assets ├── supabase/ # Database functions, migrations └── docs/ # Documentation

## Key Files
- `src/App.tsx` - Main app component, routing
- `src/lib/supabase.ts` - Database client
- `supabase/functions/` - Edge functions (24 total)

## Coding Standards
- Use TypeScript strict mode
- Functional components (React)
- Tailwind CSS for styling
- ESLint + Prettier configured

## Deployment
- Platform: Netlify (frontend), Supabase (backend)
- Deploy command: `npm run build`
- Environment: `.env.local` (never commit)

## Critical Rules
- Never commit API keys
- Always run `npm run build` before pushing
- All functions must have TypeScript types

## Testing
- `npm test` - Run Jest tests
- `npm run lint` - Check code style

Template Usage

Copy the provided template and customize:

cp /root/.openclaw/workspace/skills/claude-code/templates/CLAUDE.md.template /path/to/your/project/CLAUDE.md
# Edit with project-specific details

Real Example

For MissionDeck project, we created:

• /root/.openclaw/workspace/missiondeck/CLAUDE.md
• Result: Claude Code instantly knew: 24 edge functions, signup flow, all routes, coding standards
• Zero extra context needed in prompts

Agent Workflow

Daily Coding Workflow

Step 1: Sync Project

cd /path/to/project
git pull origin main

Step 2: Run Claude Code with Task

CLAUDE_CODE_OAUTH_TOKEN=$CLAUDE_CODE_OAUTH_TOKEN claude --print "Fix the signup redirect bug in src/pages/AuthVerify.tsx — users aren't being redirected to /dashboard after magic link verification"

Step 3: Review Proposed Changes

Claude Code will:

• Search the codebase
• Identify affected files
• Propose changes with diffs
• Explain reasoning

Step 4: Build Check

npm run build  # or npm test, cargo build, etc.

Step 5: Commit and Push

git checkout -b agent/fix-signup-redirect
git add .
git commit -m "fix: redirect to /dashboard after magic link verification"
git push origin agent/fix-signup-redirect

Step 6: Create PR (Optional)

gh pr create --title "Fix signup redirect" --body "Fixes redirect bug in AuthVerify.tsx"

OpenClaw Exec Pattern

For agents using the exec tool:

exec({
  command: `cd /path/to/project && CLAUDE_CODE_OAUTH_TOKEN=$CLAUDE_CODE_OAUTH_TOKEN claude --print "Your task here"`,
  workdir: "/path/to/project",
  pty: false  // PTY not needed for --print mode
})

Subagent Spawn Pattern (Future)

Once ACP harness is configured:

sessions_spawn({
  runtime: "acp",
  agentId: "claude-code",
  message: "Fix the navbar bug in components/Navbar.tsx",
  label: "claude-code-navbar-fix"
})

Prompting Patterns

Effective prompts yield better results. Here are proven patterns:

1. Plan-First Approach

"Show me your plan first. List every file you'll touch and what changes you'll make. Wait for my approval before implementing."

Why: Prevents unwanted changes, gives you control

2. Challenge Mode

"Fix the authentication bug. After you're done, grill yourself — what edge cases did you miss? What could break?"

Why: Forces deeper reasoning, catches edge cases

3. RPI Workflow (Research → Plan → Implement)

For complex tasks, use 3 separate prompts:

Prompt 1 (Research):

"Research how the payment flow works. Show me all relevant files and how they connect."

Prompt 2 (Plan):

"Now plan how to add recurring billing. List the changes step-by-step."

Prompt 3 (Implement):

"Implement the plan. Make the changes."

Why: Breaks complexity into manageable phases

4. Precise Specifications

"In src/pages/AuthVerify.tsx, line 42, the redirect after magic link verification is broken. Expected behavior: redirect to /dashboard. Current behavior: stays on /verify. Fix it."

Why: Clear context = precise fixes

5. File-Focused Tasks

"Refactor src/lib/database.ts — extract the connection pool logic into a separate file src/lib/db-pool.ts"

Why: Claude Code excels at file-level operations

Anti-Patterns (Avoid These)

❌ Vague: "Make the app better" ❌ No context: "Fix the bug" ❌ Too broad: "Rewrite the entire codebase" ❌ Missing paths: "Update the config file" (which one?)

✅ Specific: "Fix the redirect bug in src/pages/AuthVerify.tsx — users should go to /dashboard after email verification" ✅ Scoped: "Refactor the authentication logic in src/lib/auth.ts to use async/await instead of promises" ✅ Clear paths: "Update the database connection pool size in src/config/database.ts from 10 to 20"

Why Claude Code vs Raw API

Token Usage Comparison

Savings: 80-90% reduction in token usage

How It Works

Raw API Approach:

User: "Fix the bug in App.tsx"
Agent: [reads entire App.tsx] [dumps 5,000 tokens into context] [generates fix] [writes back]
Cost: ~7,000 tokens

Claude Code Approach:

User: "Fix the bug in App.tsx"
Claude Code: [uses file tool to read App.tsx] [analyzes in isolation] [generates fix] [uses edit tool]
Cost: ~500 tokens

Result: Same quality, 90% fewer tokens, flat-rate billing

Code Quality Benefits

• Codebase Exploration: Claude Code searches files, understands structure
• Precise Edits: Tool-based editing, not regex replacement
• Context Awareness: Reads CLAUDE.md automatically, no prompt overhead
• Multi-file Operations: Handles imports, dependencies across files

Real-World Example

Task

"Remove the offer/discount banner from MissionDeck navbar"

Process

Claude Code Execution:

cd /root/.openclaw/workspace/missiondeck
CLAUDE_CODE_OAUTH_TOKEN=$CLAUDE_CODE_OAUTH_TOKEN claude --print "Remove the discount banner from the navbar"

What Happened:

1. Claude Code searched codebase for "banner", "discount", "navbar"
2. Found DiscountBanner component in src/components/Navbar.tsx
3. Identified exactly 2 changes needed:

- Remove import { DiscountBanner } from './DiscountBanner' - Remove <DiscountBanner /> JSX element

1. Proposed changes with diff
2. Build passed: npm run build ✓
3. Pushed to branch: oracle/disable-discount-banner
4. Merged to main → deployed live

Token Usage: ~450 tokens Time: 30 seconds Result: Precise, working, deployed

Troubleshooting

Issue: "Authentication failed"

Cause: Token expired or invalid

Fix:

claude setup-token  # Re-authenticate
# Update token in environment and OpenClaw config

Issue: "command not found: claude"

Cause: NPM global bin not in PATH

Fix:

export PATH="$PATH:$(npm bin -g)"
echo 'export PATH="$PATH:$(npm bin -g)"' >> /root/.bashrc

Issue: "Could not read CLAUDE.md"

Cause: Project missing CLAUDE.md file

Fix:

cp /root/.openclaw/workspace/skills/claude-code/templates/CLAUDE.md.template /path/to/project/CLAUDE.md
# Edit with project details

Issue: PTY required error during setup

Cause: claude setup-token needs TTY

Fix (with OpenClaw exec):

exec({
  command: "claude setup-token",
  pty: true  // Enable pseudo-terminal
})

Issue: "No such file or directory" errors

Cause: Running Claude Code from wrong directory

Fix: Always cd into project root first

cd /path/to/project
CLAUDE_CODE_OAUTH_TOKEN=$CLAUDE_CODE_OAUTH_TOKEN claude --print "your task"

Issue: Changes not applied

Cause: Claude Code proposes changes, but requires approval in interactive mode

Fix: Use --print flag for non-interactive mode (outputs to stdout)

claude --print "your task"  # No approval needed, just shows output

For interactive mode (approval required):

claude  # Interactive, will wait for y/n approval

Advanced Usage

Batch Operations

Process multiple tasks sequentially:

cd /path/to/project
CLAUDE_CODE_OAUTH_TOKEN=$CLAUDE_CODE_OAUTH_TOKEN claude --print "Task 1: Fix auth bug"
CLAUDE_CODE_OAUTH_TOKEN=$CLAUDE_CODE_OAUTH_TOKEN claude --print "Task 2: Add new endpoint"
CLAUDE_CODE_OAUTH_TOKEN=$CLAUDE_CODE_OAUTH_TOKEN claude --print "Task 3: Update tests"

Model Selection

Force specific model:

claude --model opus-4.6 --print "Complex architecture refactor"
claude --model sonnet-4.6 --print "Quick bug fix"

Integration with Git Workflow

# Create feature branch
git checkout -b feature/claude-code-implementation

# Run Claude Code
CLAUDE_CODE_OAUTH_TOKEN=$CLAUDE_CODE_OAUTH_TOKEN claude --print "Implement feature X"

# Review changes
git diff

# Commit
git add .
git commit -m "feat: implement X using claude-code"

# Push
git push origin feature/claude-code-implementation

Best Practices

1. Always create CLAUDE.md — It's the project brain, saves token overhead
2. Use feature branches — Never commit directly to main
3. Run builds before committing — Catch errors early
4. Be specific in prompts — Include file paths, expected behavior
5. Review proposed changes — Claude Code is good, but verify
6. Store token securely — Use environment variables, not hardcoded
7. Sync before working — git pull to avoid conflicts
8. Use plan-first for complex tasks — Get approval before implementation

References

• MissionDeck.ai — Cloud dashboard for Claude Code session tracking and multi-agent coordination
• ProSkills Homepage — More OpenClaw skills and resources
• Claude Code Official Docs — Anthropic documentation
• GitHub Repository — Skill source
• NPM Package — Claude Code CLI on npm
• Claude Max Subscription — Required for OAuth auth

Skill Metadata

• Version: 1.0.2
• Author: Matrix Zion (ProSkillsMD)
• Homepage: https://missiondeck.ai
• Created: 2026-03-13
• Updated: 2026-03-14
• License: BSD 3-Clause
• Dependencies: Node.js, npm, Claude Max subscription
• OpenClaw Compatibility: 2026.2+

Next Steps:

1. Install Claude Code: npm install -g @anthropic-ai/claude-code
2. Authenticate: claude setup-token
3. Configure OpenClaw: Add CLI backend to config.patch
4. Create project CLAUDE.md: Copy template and customize
5. Start coding: CLAUDE_CODE_OAUTH_TOKEN=$token claude --print "your task"

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