io.usefulapi/underchat

up checked 2026-11-11T14:38:16.907Z

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Publisher-provided title

UnderChat MCP by usefulapi

Publisher-provided description

List WhatsApp chats, contacts and sectors; send, transfer and label chats in UnderChat.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http underchat https://underchat.usefulapi.io/mcp

Codex, remote (streamable-http)

codex mcp add underchat --url https://underchat.usefulapi.io/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "underchat": {
      "url": "https://underchat.usefulapi.io/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (21 tools)

Publisher-provided text

• underchat_list_chats List conversations in one state (my_chats = the executor's own chats; or queue, in_chat, closed, and so on), with optional filters. GET /chat.
• underchat_search_chats Search conversations by contact name or phone. GET /chat/search.
• underchat_get_chat_messages Read the message history of one chat, newest first, with paging. GET /chat/{chat_id}.
• underchat_search_chat_messages Search the messages of one chat for a text. GET /chat/{chat_id}/search.
• underchat_get_chat_details Get one chat with its state, assigned channel, user, sector and labels. GET /chat/{chat_id}/details.
• underchat_get_unread_summary Count the unread messages for the executor. GET /chat/unread-summary.
• underchat_list_channels List the account's channels (for example WhatsApp numbers) with their status. Use the ids as channel or worker ids in other tools. GET /chat/channels-status.
• underchat_list_workers List the workers (channels) that can receive or transfer a chat, for filters and transfers. GET /chat/workers.
• underchat_list_contacts List the account's chat contacts with paging and filters. GET /chat/contacts.
• underchat_get_contact Get one chat contact by id. GET /chat/contacts/{contact_id}.
• underchat_find_contact_by_phone Find the chat contact that has a phone number. GET /chat/contacts/by-phone.
• underchat_list_label_templates List the label templates (etiquetas) of the account. GET /label-template.
• underchat_list_sectors List the sectors (setores) of the account. GET /sector.
• underchat_list_users List the users (attendants) of the account with paging and filters. GET /user.
• underchat_get_user Get one user of the account by id, with the status and access group. GET /user/{user_id}.
• underchat_send_text_message Send a WhatsApp text message into an existing chat, as the executor. The customer receives it. POST /chat/{chat_id} with type=text.
• underchat_update_chat_status Move a chat to another state, for example closed, queue or in_chat. Closing ends the attendance for the customer. PATCH /chat/{chat_id}/status.
• underchat_transfer_chat Transfer a chat to another worker (channel), user or sector. Set at least one of worker_id, user_id or sector_id. POST /chat/{chat_id}/transfer.
• underchat_set_chat_labels Send a list of label template ids to a chat. The API decides whether the list replaces or adds to the current labels; check the chat after the call. PATCH /chat
• underchat_create_contact Create a chat contact with a name and a phone number. POST /chat/contacts.
• underchat_update_contact Change the fields you send for one chat contact. Fields you omit stay as they are. PATCH /chat/contacts/{contact_id}.

Details

• Version: 1.0.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 233 ms
• First indexed: 2026-11-11T14:17:21.933Z
• Last seen in registry: 2026-11-11T14:17:21.933Z
• Repository: https://github.com/m190/usefulapi-mcp
• Website: https://usefulapi.io/underchat/

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