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API & MCP

SimpleMD

Fast, minimalist markdown editor with Mermaid diagram support

As of June 2026, SimpleMD has 46 users in the Developer Tools category.

Cafali IncDeveloper Tools
Chrome Web Store ↗.crx
Usersup 76.9 percent+76.9%
46
46
Ratingno change0%
—
— reviews
Reviewsno change0%
—
Version
1.3.2
Manifest V3

History

9 snapshots

Tracking since Apr 1, 2026.

47.63624.4Apr 1, 2026Jun 4, 2026
View as table
DateUsersRatingReviewsVersion
Apr 1, 202626——1.3.2
Apr 8, 202627——1.3.2
Apr 19, 202632——1.3.2
Apr 24, 202630——1.3.2
May 2, 202634——1.3.2
May 8, 202635——1.3.2
May 13, 202638——1.3.2
May 19, 202637——1.3.2
May 25, 202641——1.3.2
Now46——1.3.2

Permissions & access

Permissions
storageunlimitedStorageidentityalarmsnativeMessagingsidePanel
Host access
https://www.googleapis.com/*, https://simplemd.app/*, https://simplemd.test/*

Screenshots

SimpleMD screenshot 1SimpleMD screenshot 2SimpleMD screenshot 3SimpleMD screenshot 4SimpleMD screenshot 5

About

SimpleMD is a fast, minimalist markdown editor that lives in your browser's side panel. Write and preview markdown in real-time with a clean, distraction-free interface.

Key Features:
• Live preview with instant rendering
• Mermaid diagram support for flowcharts, sequence diagrams, and more
• KaTeX math formula support
• Syntax highlighting for code blocks
• Multiple export options: PDF, PNG, HTML, and raw Markdown
• Copy Mermaid diagrams to clipboard (PNG)
• Google Drive sync to access your notes anywhere
• File explorer with folder organization
• Dark and light themes
• Works offline — your notes are saved locally
• Full-window mode for focused writing
• Side panel mode for quick notes

AI & Developer Tools (NEW):
• MCP integration — push markdown directly from AI coding tools like Claude Code or Cursor
• Auto-preview Mermaid diagrams generated by AI
• List and update files from your terminal
• Secure local connection — your data never leaves your machine
• Works with any MCP-compatible client
• Install with: npm install -g simplemd-mcp

Perfect for developers, writers, students, and anyone who loves markdown. Open SimpleMD from your browser's side panel and start writing immediately — or connect your AI tools and let them write for you

Technical

Version
1.3.2
Manifest
V3
Size
3.36MiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
cogcgpnjjnmmnhjfleipiamaocaccgch
Developer ID
uac472c129e4bce33835e27fb8a2c55d5
Developer Email
[email protected]
Created
Dec 15, 2025
Last Updated (Store)
Feb 19, 2026
Last Scraped
Jun 4, 2026
Website
simplemd.app

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Data sourced from the Chrome Web Store · last verified Jun 4, 2026.