# Penecho

> An AI canvas for handwriting, diagrams, and spatial agentic reasoning.

- Canonical URL: https://fosshunter.com/tools/penecho
- JSON export: https://fosshunter.com/tools/penecho.json
- Website: https://github.com/penecho/penecho
- Category: Agentic Development
- Open source: yes
- Self-hostable: yes
- Verified listing: no
- Featured: no
- Published at: 2026-11-03T05:55:01+00:00
- Catalog revision: `1324404076`

## Repository metrics (point-in-time)

- Repository: https://github.com/penecho/penecho
- Stars: 2512
- Forks: 322
- Open issues: 13
- License: AGPL-3.0
- Last push: 2026-11-02T03:50:47+00:00
- Metrics observed at (synced_at): 2026-11-04T07:15:19+00:00
- Archived: no

Tags: Agentic Development, Agentic, AI Canvas, Visual Thinking
Tech stacks: CSS, HTML, javascript, nodejs, python, typescript

## Features
- Features an AI agent that turns hand-drawn sketches into interactive diagrams and widgets. *(highlighted)*
- Supports integration with Model Context Protocol clients including Claude Code and Codex. *(highlighted)*
- Provides a shared spatial canvas for handwriting, equations, and collaborative reasoning. *(highlighted)*

## Description

Penecho is a shared canvas for handwriting and spatial reasoning that uses AI agents to transform sketches into diagrams and widgets. It supports MCP clients like Claude Code to build interactive documents beside your notes.

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Source: [FOSSHunter — Penecho](https://fosshunter.com/tools/penecho) — cite `synced_at` and the catalog revision when quoting metrics.
Interpretation rules: https://fosshunter.com/llms-full.txt