Mossmoss
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Mossmoss

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Moss for

  • Developers
  • Writers
  • Researchers
  • Product Managers
  • Everyday Life

Resources

  • Getting Started
  • Import Notes
  • Release Notes
  • Design Principles
  • Support
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© 2026 Moss.

Your agent's second brain.

Moss is the markdown workspace where your agent's memory compounds and becomes legible.

Download for macOSSee how it works
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Knowledge that builds on itself.

Plans, research, and specs accumulate in a shared workspace — with comments, structure, and history built in.

Stop Copy-Pasting Into Chat

Write plans, leave feedback inline, and review revisions in a space that's comfortable, without switching apps. The back-and-forth stays attached to the work instead of getting lost in a chat window.

Move Work Forward Faster

Moss presents information in the form that's easiest to understand and act on: checklists, tabs, formulas, charts, custom diagrams, and visualizations. Everything stays easy to scan so you can move work forward.

Context that compounds

Your messy notes, plans, and past work are all context that can be built on. Every session maintains persistent memory so your agent can pick up the thread instead of starting over from scratch.

Your notes are yours

Every note lives on your computer as markdown. Work offline, keep things private, move notes anywhere. Portable, flexible, no lock-in or account needed.

Work in the Markdown You Already Have

Open project docs, Claude Code plans, Obsidian folders, and plain .md files where they are. No importing, no converting, no migration cleanup.

Multiplayer, for humans and agents

Share your Moss notes with any local agent to bring them into a shared workspace to read and write with you. Real-time collaboration between people is coming next.

Detailed feature overview

Design Principles

01

Notes as living documents

Formulas compute. Charts render. Intelligence is embedded. Everything happens inline, where you’re thinking. No separate modes, no triggers, no step builders.

02

Power without configuration

You write and think naturally. Structure is inferred, not imposed. No databases to design, no properties to define, no views to maintain. All the same power.

03

Progressive intelligence

Start offline with simple text. Add rich features when you want them. Pull in research when you need to. Each layer is optional and additive. Your note is never more complex than it needs to be.

04

Shared agentic workspace

Moss thinks with you, when you want it to. It reviews your notes, finds connections you missed, leaves comments, or acts directly inline. Everything lives in your document alongside your own thinking. Not a chat window. Not a sidebar bot. A true collaborator.

05

Start local, just markdown

Your notes are plain Markdown files on your computer. Every rich feature round-trips to Markdown, so there’s no proprietary format and no data gravity. Efficient for both humans and agents. Cloud sync and collaboration are coming as additive layers. The local experience is always the complete product.

Local notes are free, forever.

The only plan

$0

  • ✓No accounts
  • ✓Unlimited local notes
  • ✓Claude Code integration
Download for macOS

Cloud sync, hosting, and managed AI coming soon.