NewConnect your AI tools with MCP
A spatial workspace
A spatial workspace
for thinking with AI.
Sketch, annotate, and think out loud. PenEcho reads your whole canvas as context — so every mark you make becomes feedback your AI can act on.
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PenEcho MCP server
A spatial extension
of your AI conversation.
Keep talking in Codex, Claude, Kimi, or any MCP-ready agent. PenEcho turns the conversation into diagrams and live previews you can see, mark up, and send back.
CodexClaudeKimiAny MCP client
- Talk where you already work.No new chat window. Your agent draws straight onto the canvas.
- See it before it’s finished.Explanations become diagrams. Ideas become interactive previews.
- Mark it up. Send it back.Circle and annotate by hand — your AI reads it in the next round.
PenEcho Canvas
Diagrams
Professional diagrams. On canvas.
Architecture, sequences, and workflows — drafted by AI, refined by you.
Sequences
Workflows
PenEcho Cloud
Close the laptop.
Not the idea.
Private projects and saved revisions live in Cloud. Pick up on another device, or reach your own PenEcho host through a Linked Device.
Keep your work with CloudEchoes
Someone else’s insight.
Your next beginning.
Explore shared canvases and widgets. Bring a community widget into your canvas, or Echo a public Craft while keeping its origin connected.
Let an idea keep growingGood company. Shared curiosity.
An open canvas. A little support.
PenEcho is an official member of Kimi Open Source Friends and receives API credits from Kimi. Independently made, with your choice of model.
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