head to head/Developer Tools

Sendmux vs Stackduke Radar

Neck and neck on boosts. Profiles, pricing and deals below.

Sendmux

The Email API for AI Agents, with Inboxes

community boosts

⚡ 0

pricing

Freemium

what it is

Sendmux is an email API that gives every AI agent a real inbox. Send and receive, route outbound through your own providers, and fail over automatically.

Stackduke Radar

Radar, the MCP tool-change tracker

community boosts

⚡ 0

pricing

Freemium

what it is

MCP servers can change their tools at any time. See what official MCP servers let an AI agent do, and what changed, from Stackduke