MCP server health, State of MCP census

Email Inbox API + Sending by Sendmux

io.github.Sendmux/sendmux-mcp

Email inbox API for AI Agents: inbound email, clean JSON, webhooks, outbound sending, routing.

healthy checked 2026-07-02 · 8/9 checks passed · keyless

Checks

The exact rows akashi check io.github.Sendmux/sendmux-mcp prints, from the 2026-07-02 census.

CheckStatusDetail
registry statuspassactive
server.json validpassvalidates against its declared JSON Schema
repo reachablepassexists
repo freshnesspasspushed 0d ago
package pypipasspublished (1.2.1)
remote reachablepassHTTP 401 via initialize
MCP conformancewarnauth-gated (HTTP 401): alive, not verifiable keyless
at least one live entrypointpass3 alive
license presentpassMIT

Evidence

Repository

github · alive

https://github.com/Sendmux/sendmux-sdk

Packages

  • pypi sendmux-mcp · published(1.2.1)

Remote endpoints

server.json

validagainst its declared schema

One of 14559 servers in the 2026-07-02 State of MCP census: 11582 healthy (79.6%), 2212 degraded (15.2%), 596 dead (4.1%), 169 unknown (1.2%).

Verify it yourself

This page is a static read of one dated probe. Run the same check locally, any time, with no key:

$ akashi check io.github.Sendmux/sendmux-mcp

Install Akashi - single Go binary, zero keys, MIT licensed.

Is this your server?

Claiming a server (an auto-refreshing badge and a verified publisher profile) is coming soon. Until then, embed the verified-on-date badge yourself with akashi check io.github.Sendmux/sendmux-mcp --badge.

Open data, CC BY 4.0. How this census works - denominator, tiers, and what each check does.