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

Related MCP server: protonmail-mcp

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:

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

Set your Missive API token:

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

Run the HTTP server:

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

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
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