How to Use the AgentMail MCP in Claude Code

Q: How do I install AgentMail for Claude Code?

Run the claude mcp add command in your terminal with the server URL. This links the tools to your CLI session instantly.

Q: Can Claude Code use AgentMail to list threads?

Yes, it uses the listthreads tool to show you recent subject lines. You can then use those IDs to pull specific messages.

Q: Does AgentMail allow Claude Code to delete inboxes?

It does. You can use the deleteinbox tool to wipe a directory of emails, which is great for cleaning up temporary test environments.

Q: How do I send mail with AgentMail and Claude Code?

Use the sendmessage tool within your CLI commands. You just need to pass the inbox ID and the message body as arguments.

Connect Claude Code to your inbox for terminal-based email automation and headless message processing.

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Connect AgentMail MCP to Claude Code

Create your Vinkius account to connect AgentMail to Claude Code 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 AgentMail with Claude Code

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Headless email processing with Claude Code

Use `list_inboxes` to identify your mail endpoints from the command line. This allows your CI/CD scripts or cron jobs to check for new messages without a browser. Once the agent identifies a thread, it uses `get_thread` to dump the content. You can pipe this output into other shell utilities for processing.

Automate message replies

Claude Code can trigger `reply_to_message` based on exit codes or build triggers. This is useful for notifying stakeholders when a pipeline fails. It handles the thread ID automatically so the conversation remains intact. You don't need a UI to manage these interactions.

Manage attachments via CLI

When you need to pull build logs or reports sent via email, `get_attachment` retrieves the files directly to your machine. It handles the base64 decoding so you get a usable file. This is a clean way to pull data into your server environment. You keep your workflow entirely in the terminal.

Setup guide

Set up AgentMail MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see agentmail-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest AgentMail transactions." It will automatically discover and invoke the available AgentMail tools.

Terminal

claude mcp add --transport http agentmail-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the AgentMail MCP

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

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

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

Get your connection token →

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Common questions about AgentMail MCP in Claude Code

Run the `claude mcp add` command in your terminal with the server URL. This links the tools to your CLI session instantly.

Yes, it uses the `list_threads` tool to show you recent subject lines. You can then use those IDs to pull specific messages.

It does. You can use the `delete_inbox` tool to wipe a directory of emails, which is great for cleaning up temporary test environments.

Use the `send_message` tool within your CLI commands. You just need to pass the inbox ID and the message body as arguments.

Your email credentials and message contents are handled via ephemeral memory. We keep your data isolated to your specific session and never persist your message payloads.

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