Claude Code Status Line Generator

#!/usr/bin/env bash
# Claude Code status line
# Generated at https://www.claudecodeagents.com/tools/statusline-generator
# Needs jq. Claude Code pipes session JSON to stdin and shows what this prints.

input=$(cat)
j() { printf '%s' "$input" | jq -r "$1" 2>/dev/null; }
DIR=$(j '.workspace.current_dir // .cwd // empty'); DIR=${DIR:-$PWD}
SEP=" | "
COLOR=1
out=""

add() {
  [ -z "$2" ] && return
  local text="$2"
  [ "$COLOR" = 1 ] && text=$(printf '\033[%sm%s\033[0m' "$1" "$2")
  if [ -z "$out" ]; then out="$text"; else out="$out$SEP$text"; fi
}

# Model
V=$(j '.model.display_name // empty'); [ -n "$V" ] && V="[$V]"
add 36 "$V"

# Folder
V="📁 ${DIR##*/}"
add 34 "$V"

# Git branch (with * when dirty)
V=$(git -C "$DIR" branch --show-current 2>/dev/null); if [ -n "$V" ]; then [ -n "$(git -C "$DIR" status --porcelain 2>/dev/null | head -1)" ] && V="$V*"; V="⎇ $V"; fi
add 32 "$V"

# Context bar
P=$(j '(.context_window.used_percentage // 0) | floor'); F=$((P / 10)); V=""; for i in 1 2 3 4 5 6 7 8 9 10; do if [ "$i" -le "$F" ]; then V="$V█"; else V="$V░"; fi; done
add 33 "$V"

# Context used %
V="$(j '(.context_window.used_percentage // 0) | floor')% ctx"
add 33 "$V"

# Session cost
V=$(printf '$%.2f' "$(j '.cost.total_cost_usd // 0')")
add 35 "$V"

printf '%s\n' "$out"

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