SuperMailbox
HARD TAB LLC v0.1.1
iCloud, Gmail, Outlook & IMAP
From the developer
Declared capabilities
- Connect Gmail and Outlook with OAuth, plus iCloud, Yahoo, Fastmail and other IMAP mailboxes
- Search connected mailboxes, including semantic search and cached results, and read messages and attachments
- Manage read state and stars, archive or move messages, and create drafts
Declared limitations
- [EXECUTED 2026-10-06 in ChatGPT] Unsupported permanent-deletion request. Expected fallback: explain that SuperMailbox has no tool to permanently delete messages or empty Trash, and do not invoke a mail tool.
- [EXECUTED 2026-10-06 in ChatGPT] Request to access another person's mailbox. Expected fallback: explain that only mailboxes connected to the authenticated account are available; do not try to access another account.
- [EXECUTED 2026-10-06 in ChatGPT] Ambiguous send request. Expected fallback: ask for the recipient and exact message before invoking a send or reply tool.
Not specified in the available declarations: pricing & account requirements.
Onboarding example
Search my connected Gmail, Outlook, iCloud or other mailboxes for unread messages about a topic.
Sources & dates
Developer declarations; not independently tested. Listing last checked Nov 13, 2026. Package observed Nov 13, 2026.
Description
From the marketplace listing
SuperMailbox brings your Gmail, Outlook, iCloud Mail, Yahoo Mail, Fastmail and other IMAP mailboxes together for your AI assistant. Connect Gmail and Outlook with OAuth, and iCloud Mail, Yahoo Mail, Fastmail or other IMAP accounts with provider-supported credentials. Search across connected mailboxes, including semantic search for relevant messages, and read messages and threads. Search may use cached and indexed mail alongside provider results; results can be incomplete or not yet fresh. Fetch attachments on request, manage read state and stars, archive or move messages, create unsent drafts, and send, reply or forward when requested. SuperMailbox rules run on new incoming messages after they arrive: conditions match sender, recipient and/or subject; actions move a message to a folder, Trash or Junk, or add an existing Gmail label where supported. Rules are managed through SuperMailbox and do not change provider-native filters, act on historical mail, send or forward mail, or permanently delete messages. Access is limited to mailboxes connected to the authenticated SuperMailbox account. Read, attachment, draft, send and mailbox-change permissions are separate. Available actions vary by provider capabilities and account access.
Language: English · Automatically detected from descriptions.
Changes
No changes recorded yet. Follow this plugin to keep track of future changes.
First seen Nov 13, 2026. Last seen Nov 13, 2026.
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Files & skills
File archives
Release notes
Improve discovery with provider names, semantic search, and cache details in the listing.
Declared in the saved package. Remote tools may change independently.
Package details
Publisher declarations from the archived package. These are separate from our research and the live service's terms.
- Package author
- HARD TAB LLC
- Review scenarios
- 5 positive · 3 negativeScenario counts, not test results.
Declared capabilities
- Connect Gmail and Outlook with OAuth, plus iCloud, Yahoo, Fastmail and other IMAP mailboxes
- Search connected mailboxes, including semantic search and cached results, and read messages and attachments
- Manage read state and stars, archive or move messages, and create drafts
- Send, reply to and forward email when requested
- Manage rules for new mail: move to folders, Trash or Junk; add supported Gmail labels
Package observed Nov 13, 2026.
Technical details
- First seen
- Nov 13, 2026 · 06:00 UTC
- Last seen
- Nov 13, 2026 · 06:00 UTC
- Collection status
- Collected
plugin_asdk_app_6ac506c8536c8191b9724be58dbd4792
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