How to Use the Matrix/Element MCP in Claude

Q: How do I connect Matrix/Element to Claude Desktop?

Open your local claudedesktopconfig.json file and add the Matrix server configuration under the mcpServers key. Once you save and restart Claude Desktop, the 19 messaging tools will appear in your chat interface.

Q: Can Claude Desktop manage my Matrix/Element encryption keys?

Yes, the agent runs querykeys and uploadkeys to handle cryptographic signatures. This lets Claude Desktop interact with encrypted rooms by negotiating keys directly with your homeserver.

Q: How does Matrix/Element handle message syncing in Claude Desktop?

The syncclient tool fetches the latest room timelines and state updates. Claude Desktop runs this periodically to make sure your agent has the current chat context.

Q: Can I search for users and invite them to rooms?

Yes, the searchuserdirectory tool queries the homeserver directory for specific handles. Your agent can then use joinroom or state tools to manage those users.

Manage secure rooms and dispatch messages directly from Claude Desktop without switching to a standalone chat app.

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Connect Matrix/Element MCP to Claude Desktop

Create your Vinkius account to connect Matrix/Element 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 Matrix/Element with Claude Desktop

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Send messages and upload files through Claude Desktop

The `send_message` tool transmits text, alerts, or custom events straight to your specified Matrix channels. Your agent on Claude Desktop formats the raw payload and writes it directly to the active room timeline, bypassing manual copy-pasting. For media sharing, `upload_media` pushes images or files to the homeserver, returning an MXC URI that your agent attaches to messages. Claude Desktop coordinates this transfer locally via stdio, letting you pass local files to Matrix rooms in one step.

Control room states and manage memberships

The `create_room` tool provisions new rooms with custom aliases, visibility settings, and initial invite lists directly from your chat. When you need to adjust permissions, `set_room_state` updates room configurations like join rules or moderator levels. Your agent on Claude Desktop handles membership flows by executing `join_room`, `leave_room`, or `knock_room` based on your instructions. It queries current configurations using `get_room_state` to verify settings before making changes.

Manage E2EE keys using this Matrix MCP Server

The `upload_keys` tool publishes cryptographic identity keys to the homeserver to maintain secure end-to-end encryption. The Matrix MCP Server handles the raw cryptographic transport, letting Claude Desktop manage secure sessions. When decrypting historical messages, `query_keys` and `claim_keys` fetch the necessary session keys from other devices on the network. This keeps your secure communications intact without requiring manual key exports.

Setup guide

Set up Matrix/Element 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 Matrix/Element 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 Matrix/Element 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 matrixelement-mcp.

json

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

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Matrix. 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.

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Common questions about Matrix/Element MCP in Claude Desktop

Open your local `claude_desktop_config.json` file and add the Matrix server configuration under the `mcpServers` key. Once you save and restart Claude Desktop, the 19 messaging tools will appear in your chat interface.

Yes, the agent runs `query_keys` and `upload_keys` to handle cryptographic signatures. This lets Claude Desktop interact with encrypted rooms by negotiating keys directly with your homeserver.

The `sync_client` tool fetches the latest room timelines and state updates. Claude Desktop runs this periodically to make sure your agent has the current chat context.

Yes, the `search_user_directory` tool queries the homeserver directory for specific handles. Your agent can then use `join_room` or state tools to manage those users.

Your cryptographic keys and raw message payloads are processed in an ephemeral MCP sandbox on Vinkius. No persistent storage of your private keys occurs, and all session data is wiped as soon as your Claude Desktop session terminates.

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