How to Use the Liveblocks MCP in Claude

Q: Can my Claude Desktop agent modify Liveblocks Yjs documents?

Yes, it can. Claude uses getydoc to read the document state as JSON and applies binary updates via updateydoc so you don't need a custom local Yjs client.

Q: How does Liveblocks authorize users during a Claude Desktop session?

Claude calls authorizeuser or identifyuser to generate valid tokens. This lets you simulate different permission levels and test user access rules instantly.

Control your Liveblocks collaborative rooms and storage trees directly from Claude Desktop using this MCP Server.

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Connect Liveblocks MCP to Claude Desktop

Create your Vinkius account to connect Liveblocks to Claude Desktop and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Liveblocks with Claude Desktop

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Inspect and patch room storage inside Claude Desktop

Stop guessing what's inside your collaborative storage tree. Your Claude Desktop client can inspect live JSON state or grab the binary Yjs document with `get_storage` and `get_ydoc`. When testing state changes, tell Claude to apply updates directly using `patch_storage` or `update_ydoc`. This means you don't have to write custom throwaway scripts to test conflict-free replicated data types. You just ask your agent to pull down the current room state, make a change, and send the update back. It speeds up debugging collaborative canvases and shared text editors.

Moderate Liveblocks threads from your chat window

Managing collaborative comment threads normally requires building an admin dashboard. With this MCP Server connected, you can ask Claude Desktop to fetch active issues with `list_threads` or drill down into a specific conversation using `get_thread`. When a user flag comes in, let your agent handle it. You can direct Claude to resolve discussions with `resolve_thread` or create new comment threads using `create_thread` without leaving your desktop app.

Manage active rooms and client tokens

Provisioning environments for real-time collaboration gets tedious. Use Claude Desktop to spin up new collaborative spaces on the fly using `create_room` and update metadata using `update_room` based on your immediate testing needs. You can also inspect who is currently working in a space using `list_active_users` or generate quick client tokens with `authorize_user`. It makes testing multiplayer features locally or on the web incredibly fast.

Setup guide

Set up Liveblocks MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The Liveblocks MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the Liveblocks MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under liveblocks-mcp.

json

{
  "mcpServers": {
    "liveblocks-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Liveblocks. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

Why Choose Vinkius

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Common questions about Liveblocks MCP in Claude Desktop

Add the server block to your local configuration file or plug the remote URL into your Claude Web integrations panel. Once saved, Claude can access tools like `list_rooms` directly.

Yes, it can. Claude uses `get_ydoc` to read the document state as JSON and applies binary updates via `update_ydoc` so you don't need a custom local Yjs client.

Claude calls `authorize_user` or `identify_user` to generate valid tokens. This lets you simulate different permission levels and test user access rules instantly.

Yes. You can send custom JSON payloads to active rooms using `broadcast_event` to test transient multiplayer events like cursor movement or custom reactions.

We do not store your Liveblocks API keys or room data. The server acts as a secure pass-through, sending commands directly to the official API. Your room storage trees and thread comments are never cached on our servers.

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