Good ideas start
as rough sketches.

Local files and a canvas for you and your agent. Everything you need to connect, sketch, revise, and decide what to build.

Make your first wireframe Connect an agent

Wireframe locally with your agent
Bring your own agent to the canvas you already have open. Changes save automatically.
Connect a local MCP client
Connect Codex, Claude Code, Cursor and other MCP clients to a chosen .squig.json file on your computer.
Work with a browser agent
Let an agent edit the open Squig tab through window.squig or compatible WebMCP tools.
Local Squig API reference
Read, edit, render and export one local file through validated MCP or HTTP tools.
Canvas tools and document model
All supported wireframe operations, node types, library properties, variations and the coordinate system for agents.
Squig agent plugin
Install a local wireframing workflow for Codex and other agents.
Run Squig locally
Build the editor and run a file companion with no database or hosted collaboration service.

For agents: llms.txt, complete Markdown docs, and OpenAPI schema.