Continue MCP setup

Use this page to connect Sendmux MCP to your AI client.

Local stdio

Install the local package once:

pip install sendmux-mcp

Use a mailbox key for Mailbox or Sending:

export SENDMUX_MBX_KEY=smx_mbx_...

Use a root key for Management:

export SENDMUX_ROOT_KEY=smx_root_...

Create .continue/mcpServers/sendmux-mailbox.yaml.

name: Sendmux mailbox MCP
version: 0.0.1
schema: v1
mcpServers:
  - name: Sendmux mailbox
    type: stdio
    command: sendmux-mcp-mailbox
    env:
      SENDMUX_API_KEY: smx_mbx_...

Private HTTP

Start a local HTTP MCP server:

SENDMUX_API_KEY=smx_mbx_... \
SENDMUX_MCP_HTTP_BEARER_TOKEN=local-mcp-token \
sendmux-mcp-mailbox --transport http --host 127.0.0.1 --port 8765

Use http://127.0.0.1:8765/mcp as the client URL. Create .continue/mcpServers/sendmux-local.yaml.

name: Sendmux local MCP
version: 0.0.1
schema: v1
mcpServers:
  - name: Sendmux local
    type: streamable-http
    url: http://127.0.0.1:8765/mcp
    headers:
      Authorization: Bearer local-mcp-token

Getting started

Developer tools

AI integrations

Sending

Receiving

Domains

Monitoring

Webhooks

Use cases

Integrations

Account and billing

Continue MCP setup

Local stdio

Private HTTP

​Local stdio

​Private HTTP

Local stdio

Private HTTP