How to Use the Filemail MCP in Claude

Q: How do I authenticate my Filemail account within Claude Desktop?

Open your claudedesktopconfig.json file and add the MCP server configuration. The agent uses the login tool to authenticate your session, storing your token securely so you do not have to log in every time you start a chat.

Q: How does Claude Desktop handle large Filemail uploads?

The desktop client uses the initializetransfer tool to start the upload process. Because the MCP Server runs locally via stdio, it can read large files from your hard drive and pipe them directly to the API.

Q: What happens if a transfer fails midway?

Ask your agent to run listsenttransfers to check the status. If the transfer was not finalized, you can have the agent trigger a new session or run completetransfer to recover.

Send multi-gigabyte files directly from your Claude Desktop chat interface using secure Filemail transfers.

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Connect Filemail MCP to Claude Desktop

Create your Vinkius account to connect Filemail 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 Filemail with Claude Desktop

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Send big files straight from Claude Desktop

The `initialize_transfer` tool lets your Claude Desktop client start outbound file transfers right inside your chat window. You can pass local file paths directly to the agent, and it will handle the upload handshake, set up password protections, and return a secure link without you opening a browser. Once the upload completes, the agent invokes `complete_transfer` to finalize the package and dispatch the download links to your recipients. This local execution path runs on your machine via stdio, meaning Claude Desktop uses the MCP Server to access your local disk directly and pipe files straight to Filemail.

Track incoming payloads in Claude Desktop

The `list_received_transfers` tool pulls your entire Filemail inbox metadata straight into the Claude Desktop interface. Your agent can read this list, identify newly arrived files, and sort them by sender or size based on your natural language commands. To get the specifics on any incoming package, the agent runs `get_transfer_details` to extract download links, expiration dates, and sender messages. This keeps you updated on client deliverables without leaving your workspace or checking your email inbox.

Manage your Filemail contacts via Claude Desktop MCP Server

The `list_contacts` tool exposes your Filemail address book directly to your Claude Desktop agent. When you want to send a file to a specific teammate, just name them, and the agent will look up their email address to populate the transfer details. You can verify who you are logged in as by letting the agent call `get_user` and `get_configuration`. This lets Claude Desktop check your active subscription limits and branding settings before you kick off a massive multi-gigabyte transfer.

Setup guide

Set up Filemail 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 Filemail 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 Filemail 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 filemail-mcp.

json

{
  "mcpServers": {
    "filemail-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 Filemail. 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 Filemail MCP in Claude Desktop

Open your `claude_desktop_config.json` file and add the MCP server configuration. The agent uses the `login` tool to authenticate your session, storing your token securely so you do not have to log in every time you start a chat.

Yes, you can. Instruct your agent to clean up space, and it will invoke `delete_transfer` to remove old files from your Filemail active storage list immediately.

The desktop client uses the `initialize_transfer` tool to start the upload process. Because the MCP Server runs locally via stdio, it can read large files from your hard drive and pipe them directly to the API.

Ask your agent to run `list_sent_transfers` to check the status. If the transfer was not finalized, you can have the agent trigger a new session or run `complete_transfer` to recover.

Your raw files and credentials remain private. The local MCP Server runs inside a secure local sandbox, ensuring Claude Desktop only interacts with Filemail transfer metadata and session tokens without exposing your raw payloads to third-party LLM servers.

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