io.github.hail-hq/hail-mcp

up checked 2026-11-11T11:38:19.995Z

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Publisher-provided title

Hail

Publisher-provided description

Phone, SMS and email for AI agents. One remote MCP endpoint, OAuth login, zero install.

Summary by lookupd

Lets an agent buy phone numbers, place AI calls, send and read SMS and email, and manage carrier registrations and saved agents.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http hail https://mcp.hail.so

Codex, remote (streamable-http)

codex mcp add hail --url https://mcp.hail.so

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

{
  "mcpServers": {
    "hail": {
      "url": "https://mcp.hail.so"
    }
  }
}

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

Tools (showing 30 of 43)

Publisher-provided text

• place_call Start an outbound AI phone call. At least one of ``system_prompt``, ``llm`` or ``agent_id`` is required. An ``agent_id`` selects saved settings
• send_email Send an email from a verified workspace sender. ``to`` is a non-empty list of email addresses. At least one of ``body_text`` or ``body_html`` i
• upload_email_attachment Upload a small attachment for outbound email, as base64 text. Meant for small files (under about 50 KB): every base64 character goes through th
• create_file_upload Create a one-time link that uploads one file from a shell with curl. The bytes go from the local disk to Hail directly, not through the tool call,
• get_call Read a call's current status and timing by ID. ``call_id`` identifies an existing workspace call. Returns the call record, or an error when the
• list_calls List recent workspace calls, newest first. ``cursor`` accepts the previous page's ``next_cursor``. Optional filters are ``status`` and the E.16
• send_sms Send an outbound text message. ``to`` is an E.164 phone number and ``body`` is the message text. Without ``from_``, supported destinations use
• get_sms Read a text message's current state by ID. ``sms_id`` identifies an existing workspace message. Returns the message record, including delivery
• list_sms List recent workspace text messages. ``status`` filters by queued, sent, delivered, failed, undelivered or received. ``to`` filters by E.164 de
• get_email Read a complete workspace email by ID. Returns ``body_text``, ``body_html`` and other email fields. Inbound records include reply headers and s
• list_emails List workspace email summaries, newest first. ``direction`` is ``inbound`` or ``outbound``. ``status`` is queued, sent, failed, bounced, compla
• get_email_raw Return a temporary download URL for an inbound email's original MIME source. The URL expires after approximately five minutes and requires no authoriza
• get_email_attachment Return a temporary download URL for an inbound email attachment. ``email_id`` identifies the email; ``attachment_id`` identifies one of its attachments
• get_email_events Read one email's delivery and engagement timeline. Events include sent, delivered, delivery_delayed, bounced, complained, rejected, opened and
• get_email_stats Read workspace email delivery counts, rates and time series. ``from_`` and ``to`` are ISO 8601 timestamps, defaulting to the last seven days. `
• get_events Read a page of workspace events or events for one resource. ``id`` optionally selects ``call:<uuid>``, ``email:<uuid>`` or ``sms:<uuid>``. ``ki
• list_agents List the workspace's saved agents and their settings. Agent records contain IDs, names, instructions, greetings, disclosure settings, voice set
• create_agent Save an agent for phone calls and text replies. ``system_prompt`` defines the saved agent's behavior. ``first_message`` is an optional greeting
• route_number Set the saved agents that answer a number's calls and texts. ``number_id`` identifies an existing workspace number. ``voice_agent_id`` selects
• quote_numbers Compare available phone numbers and their prices without buying or charging. ``country_code`` is an ISO alpha-2 code, such as ``US``. ``capabil
• acquire_number Buy a quoted phone number with explicit price confirmation. This charges the setup fee and first month immediately, then renews monthly. The pu
• list_numbers List dedicated workspace phone numbers, newest first. ``limit`` is 1 to 200, defaulting to 50. ``cursor`` accepts the previous page's ``next_cu
• list_number_regions List US state and Canadian province codes supported by number searches. Returns ``regions`` containing ``country_code``, ``code`` and ``name``.
• get_number Read a workspace number's state, capabilities and assigned agents. ``number_id`` identifies the number. Returns the number record or an error.
• release_number Permanently release a phone number after explicit user authorization. ``confirm_e164`` must match the number's E.164 value. A mismatch returns
• get_verification_requirements Read a carrier's current registration fields, documents, address rules and fees. ``purpose`` is ``number`` or ``sms``. ``number`` is the default.
• check_verification Check a carrier registration form without filing anything. Takes the same arguments as ``submit_verification`` except ``attest_authorized``. Ru
• submit_verification Submit authorized applicant details and documents for carrier registration. Submission is irreversible once sent for review. Carriers retain submitted
• list_verifications List workspace carrier registrations, newest first. ``purpose`` optionally selects ``number`` or ``sms`` registrations. Items include IDs, appl
• get_verification Read one carrier registration's current state and reported next step. ``verification_id`` identifies an existing registration. The carrier stat

Details

• Version: 0.1.2
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 896 ms
• First indexed: 2026-11-01T09:32:18.890Z
• Last seen in registry: 2026-11-01T09:32:18.924Z
• Repository: https://github.com/hail-hq/hail
• Website: https://hail.so/mcp

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