
Machine Inbox alternatives
Tools that do what Machine Inbox does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from Machine Inbox.
Read 2026-10-24
With a free plan or free to use: Free Temporary Email, Figma, Typeform, AgentMail, fabricatedemail, SentFromAI, Jotform.
- #1

PO6ProductivityMCP · sign-in
Forwards mail from short po6.com aliases to your inbox and lets MCP-compatible AI agents read, compose and organize it.
Also: Agents
54From $1/mo - #2

BeyondFolderProductivityMCP · sign-in
Routes mail for all your domains into one inbox and sends replies through a Resend-style API.
Same job
2Active - #3

Free Temporary EmailProductivityMCP · open
Generates disposable email inboxes on a Gmail-backed catchall domain, keeping received mail browsable for 60 days.
Free plan
7Active - #4

FigmaProductivityMCP · sign-in
Collaborative canvas for drafting and prototyping interface designs, with a dev mode that turns designs into code.
Free planMore widely used
11.3MActive2012 - #5

TypeformProductivityMCP · sign-in
Builds online forms and surveys that show one question at a time and branch on answers, with response reports and app integrations.
Free planAlso: Workflow automation
281kFrom $29/mo2012 - #6

AgentMailProductivityMCP · sign-in
Provides programmatic email inboxes that agents create, send from, and receive threaded replies in through an API.
Free plan
4.3kActiveFrom $20/mo2024 - #7

MailyondProductivityMCP · sign-in
Reads and replies to email across all connected domains in one inbox, and sends transactional mail through one API.
Also: Agents
5From $10/mo2026 - #8

fabricatedemailSupportMCP · sign-in
Creates disposable email addresses over HTTP and returns received messages, with extracted codes and links, for test pipelines.
Free planAlso: Agents
Little sign of useActiveFree plan - #9

SentFromAIProductivityMCP · sign-in
Gives each AI agent its own addressable email inbox for sending, receiving and threading mail through an API, SDK or MCP server.
Free planAlso: Agents
2From $19/mo - #10

JotformProductivityMCP · sign-in
Builds online forms with drag-and-drop interface, collects submissions, and integrates with business apps.
Free planAlso: Workflow automation
1.7MActiveFree plan2006
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How this list is made: the words Machine Inbox is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.
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