zhongwei/gh-rafaelcalleja-claude-market-place-plugins-claudekit-skills

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2025-11-30 08:48:52 +08:00

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Best Practices

Guidelines for project organization, security, performance, collaboration, and cost management.

Project Organization

Directory Structure

Keep .claude/ directory in version control:

project/
├── .claude/
│   ├── settings.json       # Project settings
│   ├── commands/           # Custom slash commands
│   │   ├── test-all.md
│   │   └── deploy.md
│   ├── skills/            # Project-specific skills
│   │   └── api-testing/
│   ├── hooks.json         # Hooks configuration
│   ├── mcp.json           # MCP servers (no secrets!)
│   └── .env.example       # Environment template
├── .gitignore             # Ignore .claude/.env
└── README.md

Documentation

Document custom extensions:

README.md:

## Claude Code Setup

### Custom Commands
- `/test-all`: Run full test suite
- `/deploy`: Deploy to staging

### Skills
- `api-testing`: REST API testing utilities

### MCP Servers
- `postgres`: Database access
- `github`: Repository integration

### Environment Variables
Copy `.claude/.env.example` to `.claude/.env` and fill in:
- GITHUB_TOKEN
- DATABASE_URL

What to commit:

.claude/settings.json
.claude/commands/
.claude/skills/
.claude/hooks.json
.claude/mcp.json (without secrets)
.claude/.env.example

What NOT to commit:

.claude/.env (contains secrets)
.claude/memory/ (optional)
.claude/cache/
API keys or tokens

.gitignore:

.claude/.env
.claude/memory/
.claude/cache/
.claude/logs/

Security

API Key Management

Never commit API keys:

# Use environment variables
export ANTHROPIC_API_KEY=sk-ant-xxxxx

# Or .env file (gitignored)
echo 'ANTHROPIC_API_KEY=sk-ant-xxxxx' > .claude/.env

Rotate keys regularly:

# Generate new key
# Update in all environments
# Revoke old key

Use workspace keys:

# For team projects, use workspace API keys
# Easier to manage and rotate
# Better access control

Sandboxing

Enable sandboxing in production:

{
  "sandboxing": {
    "enabled": true,
    "allowedPaths": ["/workspace"],
    "networkAccess": "restricted",
    "allowedDomains": ["api.company.com"]
  }
}

Hook Security

Review hook scripts before execution:

# Check hooks.json
cat .claude/hooks.json | jq .

# Review scripts
cat .claude/scripts/hook.sh

# Validate inputs in hooks
#!/bin/bash
if [[ ! "$TOOL_ARGS" =~ ^[a-zA-Z0-9_-]+$ ]]; then
  echo "Invalid input"
  exit 1
fi

Plugin Security

Audit plugins before installation:

# Review plugin source
gh repo view username/plugin

# Check plugin.json
tar -xzf plugin.tar.gz
cat plugin.json

# Install from trusted sources only
claude plugin install gh:anthropics/official-plugin

Performance Optimization

Model Selection

Choose appropriate model for task:

Haiku - Fast, cost-effective:

claude --model haiku "fix typo in README"
claude --model haiku "format code"

Sonnet - Balanced (default):

claude "implement user authentication"
claude "review this PR"

Opus - Complex tasks:

claude --model opus "architect microservices system"
claude --model opus "optimize algorithm performance"

Prompt Caching

Cache repeated context:

// Cache large codebase
const response = await client.messages.create({
  model: 'claude-sonnet-4-5-20250929',
  system: [
    {
      type: 'text',
      text: largeCodebase,
      cache_control: { type: 'ephemeral' }
    }
  ],
  messages: [...]
});

Benefits:

90% cost reduction on cached tokens
Faster responses
Better for iterative development

Rate Limiting

Implement rate limiting in hooks:

#!/bin/bash
# .claude/scripts/rate-limit.sh

REQUESTS_FILE=".claude/requests.log"
MAX_REQUESTS=100
WINDOW=3600  # 1 hour

# Count recent requests
RECENT=$(find $REQUESTS_FILE -mmin -60 | wc -l)

if [ $RECENT -ge $MAX_REQUESTS ]; then
  echo "Rate limit exceeded"
  exit 1
fi

echo $(date) >> $REQUESTS_FILE

Token Management

Monitor token usage:

# Check usage
claude usage show

# Set limits
claude config set maxTokens 8192

# Track costs
claude analytics cost --group-by project

Team Collaboration

Standardize Commands

Create consistent slash commands:

# .claude/commands/test.md
Run test suite with coverage report.

Options:
- {{suite}}: Specific test suite (optional)

Usage:

/test
/test unit
/test integration

Create team skills via plugins:

# Create team plugin
cd .claude/plugins/team-plugin
cat > plugin.json <<EOF
{
  "name": "team-plugin",
  "skills": ["skills/*/"],
  "commands": ["commands/*.md"]
}
EOF

# Package and share
tar -czf team-plugin.tar.gz .

Consistent Settings

Use project settings for consistency:

.claude/settings.json:

{
  "model": "claude-sonnet-4-5-20250929",
  "maxTokens": 8192,
  "outputStyle": "technical-writer",
  "thinking": {
    "enabled": true,
    "budget": 10000
  }
}

Memory Settings

Use project memory for shared context:

{
  "memory": {
    "enabled": true,
    "location": "project"
  }
}

Benefits:

Shared project knowledge
Consistent behavior across team
Reduced onboarding time

Cost Management

Budget Limits

Set budget limits in hooks:

#!/bin/bash
# .claude/scripts/budget-check.sh

MONTHLY_BUDGET=1000
CURRENT_SPEND=$(claude analytics cost --format json | jq '.total')

if (( $(echo "$CURRENT_SPEND > $MONTHLY_BUDGET" | bc -l) )); then
  echo "⚠️  Monthly budget exceeded: \$$CURRENT_SPEND / \$$MONTHLY_BUDGET"
  exit 1
fi

Usage Monitoring

Monitor via analytics API:

# Daily usage report
claude analytics usage --start $(date -d '1 day ago' +%Y-%m-%d)

# Cost by user
claude analytics cost --group-by user

# Export to CSV
claude analytics export --format csv > usage.csv

Cost Optimization

Use Haiku for simple tasks:

# Expensive (Sonnet)
claude "fix typo in README"

# Cheap (Haiku)
claude --model haiku "fix typo in README"

Enable caching:

{
  "caching": {
    "enabled": true,
    "ttl": 300
  }
}

Batch operations:

# Instead of multiple requests
claude "fix file1.js"
claude "fix file2.js"
claude "fix file3.js"

# Batch them
claude "fix all files: file1.js file2.js file3.js"

Track per-project costs:

# Tag projects
claude --project my-project "implement feature"

# View project costs
claude analytics cost --project my-project

Development Workflows

Feature Development

# 1. Plan feature
claude /plan "implement user authentication"

# 2. Create checkpoint
claude checkpoint create "before auth implementation"

# 3. Implement
claude /cook "implement user authentication"

# 4. Test
claude /test

# 5. Review
claude "review authentication implementation"

# 6. Commit
claude /git:cm

Bug Fixing

# 1. Debug
claude /debug "login button not working"

# 2. Fix
claude /fix:fast "fix login button issue"

# 3. Test
claude /test

# 4. Commit
claude /git:cm

Code Review

# Review PR
claude "review PR #123"

# Check security
claude "review for security vulnerabilities"

# Verify tests
claude "check test coverage"

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