Claude Usage HUD

Floating widget showing claude.ai message quota usage (5h & 7d).

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Claude Usage HUD
// @namespace    foxbinner
// @version      2.0.0
// @description  Floating widget showing claude.ai message quota usage (5h & 7d).
// @match        https://claude.ai/*
// @grant        none
// @run-at       document-idle
// @license      MIT
// ==/UserScript==

(function () {
  'use strict';

  if (document.getElementById('cuw')) return;

  const POLL_INTERVAL_MS = 60_000;
  const R    = 20;
  const CIRC = 2 * Math.PI * R;
  const ARC  = CIRC * 0.75;

  function arcOffset(pct) {
    const filled = ARC * (pct / 100);
    return `${filled} ${CIRC - filled}`;
  }

  function getColor(pct) {
    if (pct < 50) return '#7dbd8e';
    if (pct < 75) return '#d4a847';
    if (pct < 90) return '#e8825a';
    return '#d95f5f';
  }

  function dotClass(pct) {
    if (pct < 50) return 'ok';
    if (pct < 75) return 'warn';
    if (pct < 90) return 'hot';
    return 'crit';
  }

  function formatReset(iso) {
    if (!iso) return '';
    const ms = new Date(iso) - Date.now();
    if (ms <= 0) return 'Resetting…';
    const h = Math.floor(ms / 3_600_000);
    const m = Math.floor((ms % 3_600_000) / 60_000);
    if (h >= 24) return `${Math.floor(h / 24)}d ${h % 24}h left`;
    if (h > 0)   return `${h}h ${m}m left`;
    return `${m}m left`;
  }

  const style = document.createElement('style');
  style.textContent = `
    #cuw {
      position: fixed;
      bottom: 16px;
      right: 16px;
      z-index: 999999;
      width: 180px;
      border-radius: 14px;
      background: #1e1d1a;
      border: 1px solid rgba(255,255,255,0.13);
      box-shadow:
        0 2px 8px rgba(0,0,0,0.3),
        0 8px 32px rgba(0,0,0,0.35),
        inset 0 1px 0 rgba(255,255,255,0.08);
      font-family: ui-sans-serif, system-ui, sans-serif;
      overflow: hidden;
      user-select: none;
      cursor: default;
    }
    #cuw-topline {
      height: 1.5px;
      background: linear-gradient(90deg,
        transparent 0%,
        rgba(232,130,90,0.5) 40%,
        rgba(212,168,71,0.4) 60%,
        transparent 100%
      );
    }
    #cuw-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 7px 11px 4px;
    }
    #cuw-title {
      font-size: 9.5px;
      font-weight: 600;
      letter-spacing: 0.8px;
      text-transform: uppercase;
      color: rgba(255,255,255,0.55);
    }
    #cuw-dot {
      width: 5px;
      height: 5px;
      border-radius: 50%;
      transition: background 0.4s, box-shadow 0.4s;
    }
    #cuw-dot.ok   { background: #7dbd8e; box-shadow: 0 0 5px #7dbd8e55; }
    #cuw-dot.warn { background: #d4a847; box-shadow: 0 0 5px #d4a84766; }
    #cuw-dot.hot  { background: #e8825a; box-shadow: 0 0 5px #e8825a66; }
    #cuw-dot.crit { background: #d95f5f; box-shadow: 0 0 5px #d95f5f88; }
    #cuw-divider {
      height: 1px;
      background: rgba(255,255,255,0.08);
      margin: 0 10px;
    }
    #cuw-gauges {
      display: flex;
      justify-content: space-around;
      align-items: center;
      padding: 8px 8px 10px;
      gap: 6px;
    }
    .cuw-gauge {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 5px;
      flex: 1;
    }
    .cuw-arc-wrap {
      position: relative;
      width: 56px;
      height: 56px;
    }
    .cuw-arc-wrap svg {
      width: 100%;
      height: 100%;
      transform: rotate(135deg);
    }
    .cuw-ring-track {
      fill: none;
      stroke: rgba(255,255,255,0.12);
      stroke-width: 3.5;
      stroke-linecap: round;
      stroke-dasharray: 94.25 31.41;
    }
    .cuw-ring-fill {
      fill: none;
      stroke-width: 3.5;
      stroke-linecap: round;
      transition: stroke-dasharray 0.8s cubic-bezier(.4,0,.2,1), stroke 0.4s;
    }
    .cuw-arc-center {
      position: absolute;
      inset: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      transform: translateY(3px);
    }
    .cuw-arc-pct {
      font-size: 13px;
      font-weight: 700;
      color: rgba(255,255,255,0.88);
      font-variant-numeric: tabular-nums;
      line-height: 1;
      transition: color 0.4s;
    }
    .cuw-arc-label {
      font-size: 7.5px;
      font-weight: 600;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      color: rgba(255,255,255,0.5);
      margin-top: 2px;
    }
    .cuw-reset {
      font-size: 8.5px;
      color: rgba(255,255,255,0.45);
      text-align: center;
      font-variant-numeric: tabular-nums;
      line-height: 1.3;
      min-height: 11px;
    }
    .cuw-vdiv {
      width: 1px;
      height: 48px;
      background: rgba(255,255,255,0.1);
      flex-shrink: 0;
    }
  `;
  document.head.appendChild(style);

  function makeArcSVG(id) {
    return `<svg viewBox="0 0 44 44" xmlns="http://www.w3.org/2000/svg">
      <circle class="cuw-ring-track" cx="22" cy="22" r="${R}"
        stroke-dasharray="${ARC} ${CIRC - ARC}" />
      <circle class="cuw-ring-fill" id="${id}" cx="22" cy="22" r="${R}" />
    </svg>`;
  }

  function makeGauge(key, ringId) {
    return `<div class="cuw-gauge">
      <div class="cuw-arc-wrap">
        ${makeArcSVG(ringId)}
        <div class="cuw-arc-center">
          <span class="cuw-arc-pct" id="${ringId}-pct">—</span>
          <span class="cuw-arc-label">${key}</span>
        </div>
      </div>
      <div class="cuw-reset" id="${ringId}-reset"></div>
    </div>`;
  }

  const widget = document.createElement('div');
  widget.id = 'cuw';
  widget.innerHTML = `
    <div id="cuw-topline"></div>
    <div id="cuw-header">
      <span id="cuw-title">Usage</span>
      <div id="cuw-dot" class="ok"></div>
    </div>
    <div id="cuw-divider"></div>
    <div id="cuw-gauges">
      ${makeGauge('5h', 'cuw-5h')}
      <div class="cuw-vdiv"></div>
      ${makeGauge('7d', 'cuw-7d')}
    </div>
  `;
  document.body.appendChild(widget);

  const dot = widget.querySelector('#cuw-dot');

  const gauges = {
    '5h': {
      ring:  widget.querySelector('#cuw-5h'),
      pct:   widget.querySelector('#cuw-5h-pct'),
      reset: widget.querySelector('#cuw-5h-reset'),
    },
    '7d': {
      ring:  widget.querySelector('#cuw-7d'),
      pct:   widget.querySelector('#cuw-7d-pct'),
      reset: widget.querySelector('#cuw-7d-reset'),
    },
  };

  widget.querySelectorAll('.cuw-ring-fill').forEach(r => {
    r.style.strokeDasharray = `0 ${CIRC}`;
  });

  function updateGauge(key, utilization, resetsAt) {
    const pct   = Math.min(Math.max(Math.round(utilization), 0), 100);
    const color = getColor(pct);
    const { ring, pct: pctEl, reset } = gauges[key];
    ring.style.stroke          = color;
    ring.style.strokeDasharray = arcOffset(pct);
    pctEl.textContent          = pct + '%';
    pctEl.style.color          = color;
    reset.textContent          = formatReset(resetsAt);
    return pct;
  }

  async function fetchUsage() {
    try {
      const orgsRes = await fetch('/api/organizations', {
        credentials: 'include',
        headers: { Accept: 'application/json' },
      });
      if (!orgsRes.ok) return;

      const orgs = await orgsRes.json();
      if (!orgs?.length) return;

      const usageRes = await fetch(`/api/organizations/${orgs[0].uuid}/usage`, {
        credentials: 'include',
        headers: { Accept: 'application/json' },
      });
      if (!usageRes.ok) return;

      const { five_hour, seven_day } = await usageRes.json();
      const pcts = [
        five_hour && updateGauge('5h', five_hour.utilization, five_hour.resets_at),
        seven_day && updateGauge('7d', seven_day.utilization, seven_day.resets_at),
      ].filter(Boolean);

      dot.className = dotClass(Math.max(...pcts, 0));
    } catch (err) {
      console.warn('[Claude Usage HUD]', err.message);
    }
  }

  fetchUsage();
  setInterval(fetchUsage, POLL_INTERVAL_MS);
})();