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HQBase

Connect AI agents to your self-hosted HQBase shared email workspace.

Connector by HQBase · GitHub account verified by the MCP Registry

IndexedAGPL-3.0Remote (HTTP)★ 350
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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/hqbase-hqbase

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

  • https://{installation_domain}/mcp Remote (HTTP)

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About

Connect AI agents to your self-hosted HQBase shared email workspace.

Use cases: email

Reviews

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No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
9 read · 6 write · 6 delete
Secrets
None asked for
Install scripts
Nothing to install (hosted)
Runs as
Hosted (remote endpoint)

Tools by what they do 21

Read from the source code; the running server may list different tools.

Read 9 · Look things up without changing anything.

  • get_attachment
  • get_draft
  • get_message
  • get_thread
  • list_conversations
  • list_drafts
  • list_labels
  • list_mailboxes
  • search_messages

Write 6 · Create, change, send or run things.

  • add_draft_attachment
  • create_draft
  • forward_message
  • reply_to_message
  • send_email
  • update_draft

Delete 6 · Delete, drop, revoke or wipe things.

  • add_label
  • delete_draft
  • remove_draft_attachment
  • remove_label
  • update_conversation
  • update_message

Network hosts it talks to 1

  • {installation_domain} · found in remote endpoint

Files it touches

  • Any path the agent passes to its tools

Tools (21)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • add_draft_attachment

    Stage a base64 attachment or safe inline image of at most 10 MiB on an accessible draft.

  • add_labelcan change or delete data

    Description is built at runtime.

  • create_draft

    Create a user-owned draft for an allowed sending mailbox.

  • delete_draftcan change or delete data

    Delete one accessible user-owned draft and its staged attachments.

  • forward_message

    Forward one permitted message with optional note, HTML, staged, and original attachments.

  • get_attachmentread-only

    Download one permitted attachment as a bounded MCP embedded resource.

  • get_draftread-only

    Open one user-owned draft after rechecking its live mailbox access.

  • get_messageread-only

    Open one permitted message as plain text with safe attachment metadata.

  • get_threadread-only

    Open the permitted chronological conversation containing one message.

  • list_conversationsread-only

    List recent mailbox conversations with aggregate unread, star, attachment, and count state.

  • list_draftsread-only

    List this user's drafts that remain accessible through live mailbox grants.

  • list_labelsread-only

    List shared labels. Labels organize mail but never change mailbox access or folders.

  • list_mailboxesread-only

    List only mailboxes currently visible to the connected user.

  • remove_draft_attachmentcan change or delete data

    Remove one staged attachment from an accessible user-owned draft.

  • remove_labelcan change or delete data

    Description is built at runtime.

Show 6 more tools
  • reply_to_message

    Reply with text, optional HTML, recipients, and staged attachments from an allowed mailbox.

  • search_messagesread-only

    Search recent individual messages across mailboxes where the user has read access.

  • send_email

    Send text with optional HTML and staged attachments from an allowed active mailbox.

  • update_conversationcan change or delete data

    Change read, starred, archived, unarchived, trash, or restored state across one conversation.

  • update_draft

    Update a user-owned draft by version; omitted fields preserve their current values.

  • update_messagecan change or delete data

    Change read, starred, archived, unarchived, trash, or restored state for one message.

Compare and alternatives

    Featured in

    Signals

    Stars
    350
    Forks
    37
    Open issues
    5
    Contributors
    6
    Last commit
    Oct 12, 2026 (17 days ago)
    Last release
    Sep 6, 2026 (1 month ago)

    From GitHub (fetched Oct 24, 2026).

    Details

    Registry name
    io.github.HQBase/hqbase
    Version
    1.0.0
    Auth
    Auth not stated
    License
    AGPL-3.0
    Repository
    github.com/HQBase/hqbase
    Website
    hqbase.io/docs/mcp/
    First seen
    Oct 24, 2026
    Last checked
    Oct 24, 2026
    Source
    Official MCP Registrygithub-graphql
    Cite this page

    HQBase MCP server. Agent Mart. https://agentmart.dev/connectors/hqbase-hqbase (last updated 2026-10-24)