stevenayl/missive-mcp-server

Missive MCP Server

An MCP (Model Context Protocol) server for integrating with Missive App to create and send email drafts.

Features

• Create email drafts
• Send existing drafts
• Create and send emails in one operation
• List all drafts
• Get draft details
• Delete drafts

Installation

npm install
npm run build

Configuration

Set your Missive API token as an environment variable:

export MISSIVE_API_TOKEN="your-api-token-here"

Usage with Claude Desktop

Add the following to your Claude Desktop configuration (~/Library/Application Support/Claude/claude_desktop_config.json):

{
  "mcpServers": {
    "missive": {
      "command": "node",
      "args": ["/path/to/missive-mcp-server/dist/index.js"],
      "env": {
        "MISSIVE_API_TOKEN": "your-api-token-here"
      }
    }
  }
}

Available Tools

create_draft

Create a new email draft in Missive.

Parameters:

• subject (optional): Email subject line
• body (required): Email body content (supports HTML)
• to (optional): Array of recipient email addresses
• cc (optional): Array of CC recipient email addresses
• bcc (optional): Array of BCC recipient email addresses
• from_email (optional): Sender email address (must be authorized in Missive)
• from_name (optional): Sender name
• conversation_id (optional): ID of existing conversation to add draft to
• team_id (optional): Team ID to link the conversation to

send_draft

Send an existing draft by its ID.

Parameters:

• draft_id (required): The ID of the draft to send

create_and_send

Create and immediately send an email.

Parameters:

• subject (optional): Email subject line
• body (required): Email body content (supports HTML)
• to (required): Array of recipient email addresses
• cc (optional): Array of CC recipient email addresses
• bcc (optional): Array of BCC recipient email addresses
• from_email (optional): Sender email address (must be authorized in Missive)
• from_name (optional): Sender name
• conversation_id (optional): ID of existing conversation to add message to
• team_id (optional): Team ID to link the conversation to

Usage with N8N

To use this MCP server with N8N:

1. Clone and set up the server:

git clone https://github.com/stevenayl/missive-mcp-server.git
cd missive-mcp-server
npm install
npm run build

2. Set your Missive API token:

export MISSIVE_API_TOKEN="your-missive-api-token-here"

3. Run the HTTP server:

npm run http
# Or for production: npm run http:prod

4. In N8N MCP Client node:

   • SSE Endpoint: http://localhost:3000/sse
   • Authentication: Bearer Auth
   • Credential for Bearer Auth: Leave empty (the API token is handled server-side)
   • Tools to Include: All

5. The AI Agent can now use the Missive tools without needing the API token directly.

Development

# Run in development mode
npm run dev

# Run HTTP server in development
npm run http

# Build for production
npm run build

# Start production server
npm start

# Start HTTP production server
npm run http:prod

License

MIT