TabTree MCP server

TabTree

Mind maps and whiteboards in one offline HTML file.

Live demo — no signup · tabtree.app · Templates · Claude connector

What it is

TabTree is a mind-mapping and whiteboard app that fits in a single HTML file. You double-click it and it runs — offline, with no account, no server and no subscription. One document reads six ways: mind map, kanban board, Gantt chart, page of notes, spreadsheet or full-screen presentation. Switch views; nothing is converted and nothing is lost.

This repository

TabTree itself is a commercial product and its source is not published here. This repository is the public face of it, and it holds four things that are genuinely useful on their own:

redistribute and modify (its own licence, no attribution required), and the same code published to npm as tabtree-mcp.

• mcp/ — the full source of the Claude connector, free to use, copy,

skills that end in a real document, plus the connector. See Claude Code plugin below.

• plugins/tabtree/ — a Claude Code plugin: two facilitation

link that opens it live. Paste them into TabTree, or into any outliner.

• templates/ — the 83 template outlines in plain Markdown, each with a

• screenshots/ — rendered by the real engine, not mocked up.

To use the app itself, try the demo — it is the whole application, running in your browser, with nothing to install.

Claude connector

Let Claude read your TabTree library and turn a conversation, a transcript or a spec into a real map on your disk. Local files, no account, nothing uploaded — the connector only ever sees the backup folder you point it at.

Claude Desktop — double-click, nothing to install. Download TabTree-Connector.mcpb and double-click it. Claude Desktop ships its own Node, so there is nothing else to install, and it asks you for your backup folder in a normal folder picker.

Claude Code, or any MCP client — one line:

npx -y tabtree-mcp

Or in your client's config:

{
  "mcpServers": {
    "tabtree": {
      "command": "npx",
      "args": [
        "-y",
        "tabtree-mcp"
      ],
      "env": {
        "TABTREE_DIR": "/path/to/your/TabTree/backup/folder"
      }
    }
  }
}

Six tools: listmaps, readmap, searchmaps, createmindmap, createboard, proposechanges. It only ever writes new files — it never modifies or deletes one of your maps, and propose_changes drops a proposal the app applies only when you click. Full detail in mcp/README.md.

Claude Code plugin

Two skills that do not end in advice — they end in a document on your disk.

/plugin marketplace add ai4xedu/tabtree-mcp
/plugin install tabtree@tabtree

Shortened. The full README is on GitHub.