What tools does the sendmux-mcp MCP server provide?

The tool list for sendmux-mcp has not been read. It is distributed as a local (stdio) package, which cannot be queried over a network without installing it.

Does sendmux-mcp require an API key?

Yes. sendmux-mcp responds to connections but requires authentication before it will list or run its tools, via SENDMUX_MCP_SURFACES, SENDMUX_MAILBOX_API_KEY, SENDMUX_MANAGEMENT_API_KEY.

How do I install sendmux-mcp?

Run: claude mcp add --transport http sendmux-mcp https://mcp.sendmux.ai/mcp. One-click install links for Cursor and VS Code are also available on the server's page.

Connection check auth required

sendmux-mcp

AI email inbox and sending tools with attachments, search, live events, and webhooks.

Communication Files & storage Web search & scraping

Install

Remote (HTTP)

claude mcp add --transport http sendmux-mcp https://mcp.sendmux.ai/mcp

Before you install: this server needs SENDMUX_MCP_SURFACES, SENDMUX_MAILBOX_API_KEY, SENDMUX_MANAGEMENT_API_KEY.

Tools —

GitHub stars 73

Installs / wk —

Licence MIT

Transport streamable-http, stdio

Last checked 26h ago

Tools & capabilities

0 tools

This server requires authentication, so its tool list could not be read without credentials.