MCPNav
C

Courier

MCP server · by antonioac1

AI Agents
Streamable HTTP
v0.1.0

Continuity protocol for autonomous AI agents. Agent messaging with SMTP bridge and LN payments.

Install

Run one of the commands below, then add the client config underneath.

Streamable HTTP
https://getcourier.dev

Client configuration

Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.

mcpServers
{
  "mcpServers": {
    "courier": {
      "url": "https://getcourier.dev"
    }
  }
}

About this server

Courier is listed in the AI Agents category of the MCPNav directory. It is distributed as Streamable HTTP and can be loaded by any client that speaks the Model Context Protocol.

Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.

Frequently asked questions

What is the Courier MCP server?

Courier is an MCP server by antonioac1. Continuity protocol for autonomous AI agents. Agent messaging with SMTP bridge and LN payments.

How do I install Courier?

Install it with: https://getcourier.dev. Then add the JSON config to your client's MCP settings and restart the client.

Is Courier free to use?

The MCP server itself is free to install. The source is public on https://github.com/antonioac1/courier. Any third-party API it calls (such as a search or maps API) may require its own key and billing.

Which clients support Courier?

Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.