Flomailr MCP

Flomailr provides an official MCP server that allows AI agents to design on-brand emails, preview them in various modes, save drafts, and send campaigns using the user's workspace. It supports OAuth and API key authentication, offering tools for managing contacts, lists, and automations while enforcing brand and suppression guardrails.

Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

OAuth sign-inEndpoint checked 2026-10-18Operated by Flomailr

MCP endpoint (Streamable HTTP)

https://flomailr.com/api/mcp

Vendor documentation

What you can do with it

Design on-brand emails with AI
Preview emails in desktop, mobile, and dark mode
Send campaigns to specific contact lists
Import brand assets from a website URL

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http flomailr-mcp https://flomailr.com/api/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add flomailr-mcp --url https://flomailr.com/api/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable flomailr-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "flomailr-mcp": {
      "url": "https://flomailr.com/api/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "flomailr-mcp": {
      "type": "streamableHttp",
      "url": "https://flomailr.com/api/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start flomailr-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "flomailr-mcp": {
      "type": "http",
      "url": "https://flomailr.com/api/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http flomailr-mcp https://flomailr.com/api/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "flomailr-mcp": {
      "url": "https://flomailr.com/api/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "flomailr-mcp": {
      "serverUrl": "https://flomailr.com/api/mcp"
    }
  }
}

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