Claude Code Status Line with current folder, model, cost ($) and %

claude-code-statusline.sh

#!/usr/bin/env bash

# Claude Code status line script
# Displays: repo name (or directory) + model + context usage + cost

input=$(cat)

cwd=$(echo "$input" | jq -r '.workspace.current_dir // .cwd // empty')
used_pct=$(echo "$input" | jq -r '.context_window.used_percentage // empty')
model=$(echo "$input" | jq -r '.model.display_name // empty')
cost=$(echo "$input" | jq -r '.cost.total_cost_usd // empty')

# Determine display name: git repo name if in a repo, otherwise basename of cwd
if [ -n "$cwd" ] && git -C "$cwd" rev-parse --git-dir > /dev/null 2>&1; then
    repo_name=$(git -C "$cwd" rev-parse --show-toplevel 2>/dev/null | xargs basename)
    location="$repo_name"
else
    location=$(basename "$cwd")
fi

# ANSI color codes
GREEN=$'\033[32m'
YELLOW=$'\033[33m'
RED=$'\033[31m'
CYAN=$'\033[36m'
DIM=$'\033[2m'
RESET=$'\033[0m'

# Build output
if [ -n "$used_pct" ]; then
    pct_int=${used_pct%.*}
    pct_int=${pct_int:-0}

    if [ "$pct_int" -lt 40 ]; then
        color="$GREEN"
    elif [ "$pct_int" -le 60 ]; then
        color="$YELLOW"
    else
        color="$RED"
    fi

    # Model segment
    model_str=""
    if [ -n "$model" ]; then
        model_str=" ${DIM}|${RESET} ${CYAN}${model}${RESET}"
    fi

    # Cost segment
    cost_str=""
    if [ -n "$cost" ] && [ "$cost" != "null" ]; then
        cost_fmt=$(LC_NUMERIC=C printf "%.4f" "$cost")
        cost_str=" ${DIM}|${RESET} \$${cost_fmt}"
    fi

    printf "%s%s%s ${DIM}|${RESET} ${color}%s%%%s" \
        "$location" "$model_str" "$cost_str" "$pct_int" "$RESET"
else
    printf "%s" "$location"
fi