MarkUp lets you draw and label webpage changes visually, then send structured briefs to Claude, ChatGPT, or Copilot. No typing, no accounts, completely free.
MarkUp transforms how you communicate web changes to AI agents. Draw directly on live websites to create precise, structured briefs that eliminate ambiguity and accelerate development workflows.
MarkUp serves web developers, designers, and agencies who use AI coding assistants like Claude Code or Cursor and need to communicate visual changes with precision and speed. Ideal for professionals tired of writing paragraphs to describe pixel-level adjustments.
Describe a code change in plain language and ship it
The agent which teaches while you build
Production context for AI with logs, DBs, and error tracking
In-app feedback that creates GitHub Issues with screenshots
AI design engineer. Design & ship real UI.
Let Codex navigate and automate tasks in your browser
Turn any website into an AI-ready design system
Production browser automation, built and maintained by AI
The Infrastructure Behind AI Agencies | White-Label Platform
Live multiplayer cursors & chat on any URL
AI wrote it. LineageLens proves it.
OpenRouter for agent tools
A local AI coding assistant to delegate tasks to AI agents
Your open-source, local second brain for every AI
Shared AI memory that stops agents from repeating mistakes
Give your agent a real number and voice to make calls.
AI Meeting companion with cross-meeting memory
An open source AI harness built with the human in mind
AI agents that turn signals into crypto + Polymarket trades
Skip the prompting. Produce consistently compelling videos.
Your Chief Agent Operator for multi-agent work
Grow your store profits with agents that know how to sell
An AI wearable that remembers your conversations all day
Al sleep companion that helps fall asleep without struggle
Scrape emails from socials and maps by location