Status line hook for Claude Code that shows remaining plan usage

statusline-command.sh

#!/bin/bash

# Read JSON input from stdin
input=$(cat)

# Uncomment to debug what fields are available:
#echo "$input" | jq '.' > /tmp/statusline-debug.json

# Initialize status parts array
status_parts=("$(echo "$input" | jq -r '.model.display_name')")

# Context Window Usage
usage=$(echo "$input" | jq -r '
    if .context_window.current_usage then
        (.context_window.current_usage.input_tokens +
         .context_window.current_usage.cache_creation_input_tokens +
         .context_window.current_usage.cache_read_input_tokens) as $current |
        .context_window.context_window_size as $size |
        ($current * 100 / $size) | "\(.)%"
    else
        "ready"
    end
')
status_parts+=("Context: ${usage}")

# Plan Usage
version=$(echo "$input" | jq -r '.version')
token=$(security find-generic-password -s "Claude Code-credentials" -w 2>/dev/null | jq -r '.claudeAiOauth.accessToken')
if [ -n "$token" ]; then
    usage=$(curl -s -H "Accept: application/json, text/plain, */*" \
                 -H "Content-Type: application/json" \
                 -H "User-Agent: claude-code/$version" \
                 -H "Authorization: Bearer $token" \
                 -H "anthropic-beta: oauth-2025-04-20" \
                 "https://api.anthropic.com/api/oauth/usage" 2>/dev/null)
    if [ $? -eq 0 ] && [ -n "$usage" ]; then
        five_hour=$(echo "$usage" | jq -r '.five_hour.utilization // ""')
        [ -n "$five_hour" ] && status_parts+=("5h: ${five_hour}%")
        seven_day=$(echo "$usage" | jq -r '.seven_day.utilization // ""')
        [ -n "$seven_day" ] && status_parts+=("7d: ${seven_day}%")
    fi
fi

# Join all parts with " | "
first=true
for part in "${status_parts[@]}"; do
    if [ "$first" = true ]; then
        printf "%s" "$part"
        first=false
    else
        printf " | %s" "$part"
    fi
done