How to Use the Nylas MCP in Claude

Q: How do I connect my Nylas account to Claude Desktop?

You just add the Nylas configuration block to your local claudedesktopconfig.json file with your API token. Once you restart the desktop app, the hammer icon will light up, showing that Claude Desktop can now access your Nylas mail and calendar tools.

Q: How does Claude Desktop handle calendar event conflicts when using Nylas?

The agent will first run listevents to check your Nylas availability before attempting to write anything. If it spots a conflict, it will flag the overlap in your Claude Desktop chat rather than blindly running createevent.

Let Claude Desktop read your Nylas inbox, draft replies, and schedule events across Gmail and Outlook with one connection.

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Connect Nylas MCP to Claude Desktop

Create your Vinkius account to connect Nylas 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 Nylas with Claude Desktop

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Draft and send emails directly from Claude Desktop

This MCP Server lets your local Claude Desktop instance search your entire inbox using `list_messages` to find specific threads across Gmail and Outlook. Stop jumping between your browser tabs just to reply to a Nylas communication thread inside Claude Desktop. When you need to reply to a Nylas thread, your Claude Desktop agent drafts the response and fires it off using `send_message`. You can also save it to your drafts folder with `list_drafts` to review the layout inside Claude Desktop before sending.

Manage cross-provider calendars inside your chat

Your Claude Desktop agent can pull your active schedules with `list_calendars` and search for open slots to coordinate meetings across different corporate calendars linked via Nylas. It makes scheduling across multiple organizations painless. Once you agree on a slot, the Claude Desktop agent runs `create_event` to write directly to your Nylas-connected calendar, or uses `delete_event` to clear out cancellations. It handles the API differences behind the scenes so you do not have to write timezone code.

Sync contacts and organize folders on the fly

Claude Desktop can pull your current directory with `list_contacts` and instantly add new leads to your Nylas address book during your conversation. This stops you from losing contact details during busy workdays. You can also keep your inbox organized by running `list_folders` to map out your current Nylas email directory structure inside Claude Desktop. Your agent uses these live directories to sort incoming mail and keep your workspace clean.

Setup guide

Set up Nylas 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 Nylas 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 Nylas 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 nylas-mcp.

json

{
  "mcpServers": {
    "nylas-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 Nylas. 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 Nylas MCP in Claude Desktop

You just add the Nylas configuration block to your local `claude_desktop_config.json` file with your API token. Once you restart the desktop app, the hammer icon will light up, showing that Claude Desktop can now access your Nylas mail and calendar tools.

Yes, it handles both providers simultaneously. The server uses `list_messages` and `list_calendars` to pull data from any inbox or schedule you connected to your Nylas account, giving your Claude Desktop agent a single interface for all of them.

You can use Nylas on the web at claude.ai by adding it as a custom remote connector in your integration settings. This lets you run tools like `send_message` from any browser window without needing the local Claude Desktop app running.

The agent will first run `list_events` to check your Nylas availability before attempting to write anything. If it spots a conflict, it will flag the overlap in your Claude Desktop chat rather than blindly running `create_event`.

Your communication data is protected by Vinkius's zero-trust sandboxing, meaning your raw credentials never touch the Claude Desktop LLM. The agent only accesses specific records via Nylas tools like `list_messages` or `list_contacts` when you explicitly ask it to process them.

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