Setup Statusline

Claude Code Statusline Configuration Skill

MANDATORY: This skill MUST be used when the user requests Claude Code statusline configuration.

Trigger Conditions

Automatically use this skill when any of the following instructions are given:

• "Set up the statusline"
• "Setup statusline"
• "Configure statusline"
• "Statusline setup"
• "Set up the status bar"
• "Initialize status line"
• "Claude Code statusline"

Purpose

• Automatically configure Claude Code statusline display
• Add statusline configuration to global settings (~/.claude/settings.json)
• Create a custom script (~/.claude/statusline.sh)
• Safely merge while preserving existing settings

Skill Invocation Method

This skill is invoked using the Skill tool:

Skill(skill="setup-statusline")

No arguments are required.

Execution Steps

1. Running Setup

.claude/skills/setup-statusline/setup.sh

This script automatically executes the following:

1. Prerequisites Check: Verify jq command installation
2. Directory Creation: Check/create ~/.claude/ directory
3. Settings File Merge: Add statusLine section to ~/.claude/settings.json (preserving existing settings)
4. Script Creation: Create ~/.claude/statusline.sh and grant execute permission

2. Configuration Details

Configuration to be added (~/.claude/settings.json):

{
  "statusLine": {
    "type": "command",
    "command": "~/.claude/statusline.sh",
    "padding": 0
  }
}

Script to be created (~/.claude/statusline.sh):

• Directory name
• Git branch name (in parentheses)
• Model name (in square brackets)
• Token information (total, input, output, cache)

3. Display Example

gendosu-claude-plugins (main) [Sonnet] | 📊 38.8K (In:37442 Out:0 Cache:0)

4. Execution Result Determination

• ✅ Success: Script exits with code 0 and displays success message
• ❌ Failure: Script exits with non-zero code and displays error message

Important Rules

1. Existing Settings Protection: Existing settings.json settings are preserved
2. Automatic Backup Creation: Automatically creates .backup files when updating configuration
3. Idempotence: Safe to run multiple times
4. jq Required: jq command is necessary for JSON operations

Security

• Script permissions: 755 (rwxr-xr-x)
• Configuration file permissions: 644 (rw-r--r--)
• Operates only within home directory
• No sudo privileges required

Troubleshooting

When jq is not found

macOS:

brew install jq

Ubuntu/Debian:

sudo apt-get install jq

Fedora/RHEL:

sudo dnf install jq

When permission errors occur

Check permissions for ~/.claude/ directory:

ls -ld ~/.claude/
chmod 755 ~/.claude/

References

• README.md - Detailed usage instructions and troubleshooting

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