Agent
Discoverability

AgentInbox

Domains, sites, and email

View in the ChatGPT registry
Integration details

Description

An existing AgentInbox account is required, with features subject to its plan limits. Search domain availability, then prepare a registration order after explicit confirmation. The customer completes payment on agentinbox.pro using the returned checkout link; the plugin does not collect payment details or pay on their behalf. Manage domains, inspect inbound-delivery status, configure signed webhooks and forwarding, send authenticated email, and deploy versioned static Apex sites. Intended for developers and agent builders. No human mailbox, scheduled sending, or unrestricted DNS administration.

Integration type
Plugin
Verification status
Not applicable
Platform
ChatGPT
Category
Developer Tools

The broad Category that contains the Primary Subcategory.

Primary Subcategory
Email APIs & Programmable Inboxes

The Primary Subcategory used for this profile’s headline score.

Secondary Subcategories
None listed

Other Subcategories where the Integration is listed.

Access
Account required
First tracked
2026-10-30
Tool count
36
Market
US
Agent DiscoverabilityChatGPT Plugin Discovery Score
ChatGPT organic discovery is live

Your score is coming

ChatGPT now suggests Plugins on its own when they match a user's request.Your Plugin Discovery Score measures how often yours appears, and it will show here as soon as it’s ready.

What discovery looks like

ChatGPT recommends Airtable when a user asks it to update a CRM.
ChatGPT surfaces Airtable because it matches the user's request.

Get alerts for AgentInbox

Get updates when AgentInbox’s Discoverability Score or category rank changes.

Primary Subcategory
Listed in alphabetical order
Primary Subcategory
AgentInboxComing soonGet notified
AgentiSendComing soonGet notified
AgentMailComing soonGet notified
Cooper EmailComing soonGet notified
inboxmcpComing soonGet notified
Tools

36 tools agents can invoke

Recommended guideHow to get your ChatGPT Plugin suggestedFollow the practical steps agents use to find, shortlist, and choose your Plugin.Read guide
FAQs

AgentInbox ChatGPT Plugin FAQ

How the directory, categories and Discoverability Score work.

Read the methodology
How do I improve AgentInbox's ChatGPT Plugin discoverability?

The levers are the listing surface agents actually read: names, descriptions, keywords, tool metadata, and registry health. Which lever matters depends on where discovery breaks, which is what continuous measurement shows.

What are AgentInbox alternatives on ChatGPT?

As of 2026-10-30, AgentInbox competes with AgentiSend, AgentMail, Cooper Email, inboxmcp, Inkbox, MillionSend, Prontuno, Samva and 1 more in ChatGPT Email APIs & Programmable Inboxes, ranked by public Discoverability Score.

Where is this profile measured?

This profile uses the geography attached to the latest public registry snapshot: US. Locale tags are intentionally omitted.