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Creator Stack Checkup

中文说明

A local-first PWA for auditing AI tools and creator subscriptions before they quietly drain your budget.

Creator Stack Checkup is intentionally simple:

  • no login
  • no backend
  • no bank connection
  • no email or phone collection
  • no SMTP password storage
  • data stays in the user's browser

It helps creators track monthly tool burn, annualized cost, category overlap, renewal dates, and cancellation candidates.

What It Does

  • Add AI tools, design apps, hosting, email tools, marketplaces, and creator subscriptions.
  • See monthly burn, annualized cost, upcoming renewals, and possible savings.
  • Get rule-based labels: Keep, Review, Downgrade, Cancel Candidate.
  • Generate no-backend reminders through .ics, Google Calendar, Outlook, mailto:, and sms: links.
  • Export and import local data as JSON.
  • Export subscriptions as CSV.
  • Install as a PWA on supported browsers.

What It Does Not Do

  • It does not automatically send email.
  • It does not ask for SMTP passwords.
  • It does not send SMS from a server.
  • It does not cancel subscriptions automatically.
  • It does not import bank or email data.
  • It does not sync across devices.

Tech Stack

  • Vite
  • React
  • TypeScript
  • localStorage
  • PWA manifest and service worker
  • Cloudflare Pages static deployment

Local Development

npm install
npm run dev

Build

npm run test
npm run build

Cloudflare Pages Deployment

Connect the GitHub repository to Cloudflare Pages.

  • Framework preset: Vite
  • Build command: npm run build
  • Build output directory: dist
  • Node version: use a modern Node 20+ runtime supported by Cloudflare Pages

The first version is static only. It does not need Workers, D1, KV, Cron Triggers, or secrets.

Privacy Model

All subscription data is stored in browser localStorage. Calendar, email, and SMS reminders are generated as local links or downloaded files. No reminder is scheduled on a remote server.

License

MIT

About

Local-first PWA for auditing creator subscriptions and AI tool costs

Resources

Readme
MIT license
Activity

Stars

0 stars

Watchers

0 watching

Forks

0 forks
Report repository

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Creator Stack Checkup
中文说明
A local-first PWA for auditing AI tools and creator subscriptions before they quietly drain your budget.
Creator Stack Checkup is intentionally simple:
  • no login
  • no backend
  • no bank connection
  • no email or phone collection
  • no SMTP password storage
  • data stays in the user's browser
It helps creators track monthly tool burn, annualized cost, category overlap, renewal dates, and cancellation candidates.
What It Does
  • Add AI tools, design apps, hosting, email tools, marketplaces, and creator subscriptions.
  • See monthly burn, annualized cost, upcoming renewals, and possible savings.
  • Get rule-based labels: Keep, Review, Downgrade, Cancel Candidate.
  • Generate no-backend reminders through .ics, Google Calendar, Outlook, mailto:, and sms: links.
  • Export and import local data as JSON.
  • Export subscriptions as CSV.
  • Install as a PWA on supported browsers.
What It Does Not Do
  • It does not automatically send email.
  • It does not ask for SMTP passwords.
  • It does not send SMS from a server.
  • It does not cancel subscriptions automatically.
  • It does not import bank or email data.
  • It does not sync across devices.
Tech Stack
  • Vite
  • React
  • TypeScript
  • localStorage
  • PWA manifest and service worker
  • Cloudflare Pages static deployment
Local Development
npm install
npm run dev
Build
npm run test
npm run build
Cloudflare Pages Deployment
Connect the GitHub repository to Cloudflare Pages.
  • Framework preset: Vite
  • Build command: npm run build
  • Build output directory: dist
  • Node version: use a modern Node 20+ runtime supported by Cloudflare Pages
The first version is static only. It does not need Workers, D1, KV, Cron Triggers, or secrets.
Privacy Model
All subscription data is stored in browser localStorage. Calendar, email, and SMS reminders are generated as local links or downloaded files. No reminder is scheduled on a remote server.
License
MIT
About
Local-first PWA for auditing creator subscriptions and AI tool costs
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Creator Stack Checkup
中文说明
A local-first PWA for auditing AI tools and creator subscriptions before they quietly drain your budget.
Creator Stack Checkup is intentionally simple:
  • no login
  • no backend
  • no bank connection
  • no email or phone collection
  • no SMTP password storage
  • data stays in the user's browser
It helps creators track monthly tool burn, annualized cost, category overlap, renewal dates, and cancellation candidates.
What It Does
  • Add AI tools, design apps, hosting, email tools, marketplaces, and creator subscriptions.
  • See monthly burn, annualized cost, upcoming renewals, and possible savings.
  • Get rule-based labels: Keep, Review, Downgrade, Cancel Candidate.
  • Generate no-backend reminders through .ics, Google Calendar, Outlook, mailto:, and sms: links.
  • Export and import local data as JSON.
  • Export subscriptions as CSV.
  • Install as a PWA on supported browsers.
What It Does Not Do
  • It does not automatically send email.
  • It does not ask for SMTP passwords.
  • It does not send SMS from a server.
  • It does not cancel subscriptions automatically.
  • It does not import bank or email data.
  • It does not sync across devices.
Tech Stack
  • Vite
  • React
  • TypeScript
  • localStorage
  • PWA manifest and service worker
  • Cloudflare Pages static deployment
Local Development
npm install
npm run dev
Build
npm run test
npm run build
Cloudflare Pages Deployment
Connect the GitHub repository to Cloudflare Pages.
  • Framework preset: Vite
  • Build command: npm run build
  • Build output directory: dist
  • Node version: use a modern Node 20+ runtime supported by Cloudflare Pages
The first version is static only. It does not need Workers, D1, KV, Cron Triggers, or secrets.
Privacy Model
All subscription data is stored in browser localStorage. Calendar, email, and SMS reminders are generated as local links or downloaded files. No reminder is scheduled on a remote server.
License
MIT
About
Local-first PWA for auditing creator subscriptions and AI tool costs
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Creator Stack Checkup
中文说明
A local-first PWA for auditing AI tools and creator subscriptions before they quietly drain your budget.
Creator Stack Checkup is intentionally simple:
  • no login
  • no backend
  • no bank connection
  • no email or phone collection
  • no SMTP password storage
  • data stays in the user's browser
It helps creators track monthly tool burn, annualized cost, category overlap, renewal dates, and cancellation candidates.
What It Does
  • Add AI tools, design apps, hosting, email tools, marketplaces, and creator subscriptions.
  • See monthly burn, annualized cost, upcoming renewals, and possible savings.
  • Get rule-based labels: Keep, Review, Downgrade, Cancel Candidate.
  • Generate no-backend reminders through .ics, Google Calendar, Outlook, mailto:, and sms: links.
  • Export and import local data as JSON.
  • Export subscriptions as CSV.
  • Install as a PWA on supported browsers.
What It Does Not Do
  • It does not automatically send email.
  • It does not ask for SMTP passwords.
  • It does not send SMS from a server.
  • It does not cancel subscriptions automatically.
  • It does not import bank or email data.
  • It does not sync across devices.
Tech Stack
  • Vite
  • React
  • TypeScript
  • localStorage
  • PWA manifest and service worker
  • Cloudflare Pages static deployment
Local Development
npm install
npm run dev
Build
npm run test
npm run build
Cloudflare Pages Deployment
Connect the GitHub repository to Cloudflare Pages.
  • Framework preset: Vite
  • Build command: npm run build
  • Build output directory: dist
  • Node version: use a modern Node 20+ runtime supported by Cloudflare Pages
The first version is static only. It does not need Workers, D1, KV, Cron Triggers, or secrets.
Privacy Model
All subscription data is stored in browser localStorage. Calendar, email, and SMS reminders are generated as local links or downloaded files. No reminder is scheduled on a remote server.
License
MIT
About
Local-first PWA for auditing creator subscriptions and AI tool costs
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Creator Stack Checkup
中文说明
A local-first PWA for auditing AI tools and creator subscriptions before they quietly drain your budget.
Creator Stack Checkup is intentionally simple:
  • no login
  • no backend
  • no bank connection
  • no email or phone collection
  • no SMTP password storage
  • data stays in the user's browser
It helps creators track monthly tool burn, annualized cost, category overlap, renewal dates, and cancellation candidates.
What It Does
  • Add AI tools, design apps, hosting, email tools, marketplaces, and creator subscriptions.
  • See monthly burn, annualized cost, upcoming renewals, and possible savings.
  • Get rule-based labels: Keep, Review, Downgrade, Cancel Candidate.
  • Generate no-backend reminders through .ics, Google Calendar, Outlook, mailto:, and sms: links.
  • Export and import local data as JSON.
  • Export subscriptions as CSV.
  • Install as a PWA on supported browsers.
What It Does Not Do
  • It does not automatically send email.
  • It does not ask for SMTP passwords.
  • It does not send SMS from a server.
  • It does not cancel subscriptions automatically.
  • It does not import bank or email data.
  • It does not sync across devices.
Tech Stack
  • Vite
  • React
  • TypeScript
  • localStorage
  • PWA manifest and service worker
  • Cloudflare Pages static deployment
Local Development
npm install
npm run dev
Build
npm run test
npm run build
Cloudflare Pages Deployment
Connect the GitHub repository to Cloudflare Pages.
  • Framework preset: Vite
  • Build command: npm run build
  • Build output directory: dist
  • Node version: use a modern Node 20+ runtime supported by Cloudflare Pages
The first version is static only. It does not need Workers, D1, KV, Cron Triggers, or secrets.
Privacy Model
All subscription data is stored in browser localStorage. Calendar, email, and SMS reminders are generated as local links or downloaded files. No reminder is scheduled on a remote server.
License
MIT
About
Local-first PWA for auditing creator subscriptions and AI tool costs
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Creator Stack Checkup
中文说明
A local-first PWA for auditing AI tools and creator subscriptions before they quietly drain your budget.
Creator Stack Checkup is intentionally simple:
  • no login
  • no backend
  • no bank connection
  • no email or phone collection
  • no SMTP password storage
  • data stays in the user's browser
It helps creators track monthly tool burn, annualized cost, category overlap, renewal dates, and cancellation candidates.
What It Does
  • Add AI tools, design apps, hosting, email tools, marketplaces, and creator subscriptions.
  • See monthly burn, annualized cost, upcoming renewals, and possible savings.
  • Get rule-based labels: Keep, Review, Downgrade, Cancel Candidate.
  • Generate no-backend reminders through .ics, Google Calendar, Outlook, mailto:, and sms: links.
  • Export and import local data as JSON.
  • Export subscriptions as CSV.
  • Install as a PWA on supported browsers.
What It Does Not Do
  • It does not automatically send email.
  • It does not ask for SMTP passwords.
  • It does not send SMS from a server.
  • It does not cancel subscriptions automatically.
  • It does not import bank or email data.
  • It does not sync across devices.
Tech Stack
  • Vite
  • React
  • TypeScript
  • localStorage
  • PWA manifest and service worker
  • Cloudflare Pages static deployment
Local Development
npm install
npm run dev
Build
npm run test
npm run build
Cloudflare Pages Deployment
Connect the GitHub repository to Cloudflare Pages.
  • Framework preset: Vite
  • Build command: npm run build
  • Build output directory: dist
  • Node version: use a modern Node 20+ runtime supported by Cloudflare Pages
The first version is static only. It does not need Workers, D1, KV, Cron Triggers, or secrets.
Privacy Model
All subscription data is stored in browser localStorage. Calendar, email, and SMS reminders are generated as local links or downloaded files. No reminder is scheduled on a remote server.
License
MIT
About
Local-first PWA for auditing creator subscriptions and AI tool costs
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Creator Stack Checkup
中文说明
A local-first PWA for auditing AI tools and creator subscriptions before they quietly drain your budget.
Creator Stack Checkup is intentionally simple:
  • no login
  • no backend
  • no bank connection
  • no email or phone collection
  • no SMTP password storage
  • data stays in the user's browser
It helps creators track monthly tool burn, annualized cost, category overlap, renewal dates, and cancellation candidates.
What It Does
  • Add AI tools, design apps, hosting, email tools, marketplaces, and creator subscriptions.
  • See monthly burn, annualized cost, upcoming renewals, and possible savings.
  • Get rule-based labels: Keep, Review, Downgrade, Cancel Candidate.
  • Generate no-backend reminders through .ics, Google Calendar, Outlook, mailto:, and sms: links.
  • Export and import local data as JSON.
  • Export subscriptions as CSV.
  • Install as a PWA on supported browsers.
What It Does Not Do
  • It does not automatically send email.
  • It does not ask for SMTP passwords.
  • It does not send SMS from a server.
  • It does not cancel subscriptions automatically.
  • It does not import bank or email data.
  • It does not sync across devices.
Tech Stack
  • Vite
  • React
  • TypeScript
  • localStorage
  • PWA manifest and service worker
  • Cloudflare Pages static deployment
Local Development
npm install
npm run dev
Build
npm run test
npm run build
Cloudflare Pages Deployment
Connect the GitHub repository to Cloudflare Pages.
  • Framework preset: Vite
  • Build command: npm run build
  • Build output directory: dist
  • Node version: use a modern Node 20+ runtime supported by Cloudflare Pages
The first version is static only. It does not need Workers, D1, KV, Cron Triggers, or secrets.
Privacy Model
All subscription data is stored in browser localStorage. Calendar, email, and SMS reminders are generated as local links or downloaded files. No reminder is scheduled on a remote server.
License
MIT
About
Local-first PWA for auditing creator subscriptions and AI tool costs
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Creator Stack Checkup
中文说明
A local-first PWA for auditing AI tools and creator subscriptions before they quietly drain your budget.
Creator Stack Checkup is intentionally simple:
  • no login
  • no backend
  • no bank connection
  • no email or phone collection
  • no SMTP password storage
  • data stays in the user's browser
It helps creators track monthly tool burn, annualized cost, category overlap, renewal dates, and cancellation candidates.
What It Does
  • Add AI tools, design apps, hosting, email tools, marketplaces, and creator subscriptions.
  • See monthly burn, annualized cost, upcoming renewals, and possible savings.
  • Get rule-based labels: Keep, Review, Downgrade, Cancel Candidate.
  • Generate no-backend reminders through .ics, Google Calendar, Outlook, mailto:, and sms: links.
  • Export and import local data as JSON.
  • Export subscriptions as CSV.
  • Install as a PWA on supported browsers.
What It Does Not Do
  • It does not automatically send email.
  • It does not ask for SMTP passwords.
  • It does not send SMS from a server.
  • It does not cancel subscriptions automatically.
  • It does not import bank or email data.
  • It does not sync across devices.
Tech Stack
  • Vite
  • React
  • TypeScript
  • localStorage
  • PWA manifest and service worker
  • Cloudflare Pages static deployment
Local Development
npm install
npm run dev
Build
npm run test
npm run build
Cloudflare Pages Deployment
Connect the GitHub repository to Cloudflare Pages.
  • Framework preset: Vite
  • Build command: npm run build
  • Build output directory: dist
  • Node version: use a modern Node 20+ runtime supported by Cloudflare Pages
The first version is static only. It does not need Workers, D1, KV, Cron Triggers, or secrets.
Privacy Model
All subscription data is stored in browser localStorage. Calendar, email, and SMS reminders are generated as local links or downloaded files. No reminder is scheduled on a remote server.
License
MIT
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Local-first PWA for auditing creator subscriptions and AI tool costs
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MIT license
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