Email Inbox API + Sending by Sendmux

io.github.Sendmux/sendmux-mcp · v2.2.0 · communication

Email Inbox API + Sending by Sendmux is up but requires authentication (oauth). It scores 53/100.

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

Endpoint: https://mcp.sendmux.ai/mcp (streamable-http)

Repository · Website · JSON · Add to my inventory

Score 53/100

health	18 / 25
authEase	12 / 15
toolQuality	7.5 / 15
maintenance	7 / 15
adoption	0 / 10
usage	0 / 10
security	8 / 10

Scoring v0.3, computed 2026-10-15T02:45:59.761Z.

Reachable; handshake needs credentials so tools could not be listed
Tool quality not measurable behind auth: neutral half credit
GitHub signals are off for everyone: maintenance uses registry dates (half credit)

Health history

Checked (UTC)	Status	Latency	Error
2026-10-15T02:20:34.088Z	Needs auth	2245	initialize: HTTP 401

Tools (0)

Tools are listed after a successful handshake.