e2a — email for AI agents

MCP server · by Mnexa-AI

AI Agents npmStreamable HTTP v0.3.2

Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

View source ↗ Website ↗ Generate config for multiple servers More servers

Install

Pin version registry version 0.3.2

npm
npx -y @e2a/mcp-server

npm
npx -y @e2a/mcp-server@0.3.2

Streamable HTTP
https://mcp.e2a.dev/mcp

Setup by client

Pick your client — the config below is generated for this server (both local and hosted-endpoint forms). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "mcp-server-222": {
      "command": "npx",
      "args": [
        "-y",
        "@e2a/mcp-server"
      ],
      "env": {
        "E2A_API_KEY": "<YOUR_E2A_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-server-222": {
      "command": "npx",
      "args": [
        "-y",
        "@e2a/mcp-server@0.3.2"
      ],
      "env": {
        "E2A_API_KEY": "<YOUR_E2A_API_KEY>"
      }
    }
  }
}

Remote (hosted) endpoint

https://mcp.e2a.dev/mcp

Claude Desktop: Settings → Connectors → Add custom connector, paste this URL, and provide: Authorization.

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add --env E2A_API_KEY=<YOUR_E2A_API_KEY> mcp-server-222 -- npx -y @e2a/mcp-server

claude mcp add --env E2A_API_KEY=<YOUR_E2A_API_KEY> mcp-server-222 -- npx -y @e2a/mcp-server@0.3.2

terminal

claude mcp add --transport http mcp-server-222 https://mcp.e2a.dev/mcp --header "Authorization: Bearer <YOUR_AUTHORIZATION>"

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-server-222": {
      "command": "npx",
      "args": [
        "-y",
        "@e2a/mcp-server"
      ],
      "env": {
        "E2A_API_KEY": "<YOUR_E2A_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-server-222": {
      "command": "npx",
      "args": [
        "-y",
        "@e2a/mcp-server@0.3.2"
      ],
      "env": {
        "E2A_API_KEY": "<YOUR_E2A_API_KEY>"
      }
    }
  }
}

.cursor/mcp.json (hosted endpoint)

{
  "mcpServers": {
    "mcp-server-222": {
      "url": "https://mcp.e2a.dev/mcp",
      "headers": {
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "mcp-server-222": {
      "command": "npx",
      "args": [
        "-y",
        "@e2a/mcp-server"
      ],
      "env": {
        "E2A_API_KEY": "<YOUR_E2A_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "mcp-server-222": {
      "command": "npx",
      "args": [
        "-y",
        "@e2a/mcp-server@0.3.2"
      ],
      "env": {
        "E2A_API_KEY": "<YOUR_E2A_API_KEY>"
      }
    }
  }
}

.vscode/mcp.json (hosted endpoint)

{
  "servers": {
    "mcp-server-222": {
      "type": "http",
      "url": "https://mcp.e2a.dev/mcp",
      "headers": {
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "mcp-server-222": {
      "command": "npx",
      "args": [
        "-y",
        "@e2a/mcp-server"
      ],
      "env": {
        "E2A_API_KEY": "<YOUR_E2A_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-server-222": {
      "command": "npx",
      "args": [
        "-y",
        "@e2a/mcp-server@0.3.2"
      ],
      "env": {
        "E2A_API_KEY": "<YOUR_E2A_API_KEY>"
      }
    }
  }
}

mcp_config.json (hosted endpoint)

{
  "mcpServers": {
    "mcp-server-222": {
      "serverUrl": "https://mcp.e2a.dev/mcp",
      "headers": {
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

E2A_API_KEY required secret — e2a API key from https://e2a.dev
E2A_AGENT_EMAIL — Default agent inbox (e.g. bot@your-domain.com). Optional — single-agent accounts auto-resolve.
E2A_BASE_URL — Self-hosted e2a backend URL. Defaults to https://e2a.dev.
Authorization required header — Bearer token: accepts an e2a API key (e2a_…) or OAuth 2.1 access token (ate2a_…)

GitHub

⭐ 193 stars · 最近更新于 19 天前 · Apache-2.0 license

About this server

The open source email API for applications and AI agents. Send transactional email and give agents real two way inb…

Summary from the project README — github.com/Mnexa-AI/e2a

Distributed as npm, Streamable HTTP, listed under AI Agents. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the e2a — email for AI agents MCP server do?

The open source email API for applications and AI agents. Send transactional email and give agents real two way inb

How do I install e2a — email for AI agents?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is e2a — email for AI agents free to use?

The MCP server itself is free to install. The source is public on https://github.com/Mnexa-AI/e2a. Any third-party service it calls may require its own API key and account.

Which clients support e2a — email for AI agents?

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

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