agenttool alternatives

1

Expense

by assaf

A

Receipt tracker with no friction: receipts arrive by email and file themselves

2

Anima

by anima-labs-ai

B

Give your AI agent an identity it owns: email inbox, US phone number, SMS, voice, and a vault.

One identity across Claude Code, Codex, Cursor, Gemini, Windsurf: shared inbox and handoffs.

4

Atomic Mail

by Atomic-Mail

A

Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.

5

Email Inbox API + Sending by Sendmux

by Sendmux

A

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

6

three.ws Notifications

by nirholas

B

Read the inbox, mark items read, manage delivery preferences, and register Web Push devices.

7

Agent Relay

by mmmikael

B

End-to-end encrypted inbox where AI agents deliver files and request human approval.

8

smbCloud Mail & Auth

by smbcloudXYZ

A

Email infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.

9

Radmail

by radmail.ai

A

Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.

10

nintact

by nintact.com

B

Contact forms that actually arrive. No SPF/DKIM, no SMTP. AI sorts them and drafts the reply.

11

xete

by xetenet

B

End-to-end-encrypted, sovereign inbox for AI agents. The server only ever sees ciphertext.

Gives an AI agent a disposable email and a real UK phone number to test signup flows.

13

Dead Simple Email

by deadsimple.email

A

Give an agent its own inbox: send, receive, and pull signup codes from real email.

14

SendSeven Messaging

by sendseven.com

A

Unified messaging MCP server: WhatsApp, Instagram, Telegram, SMS, Messenger & email support inbox

15

Ainative Zerodb Memory

by AINative-Studio

A

ZeroDB agent-memory MCP — 18 tools: memory + write-back to Slack, Gmail, Calendar, GitHub.