MCP server

WaiverFile MCP by usefulapi

io.usefulapi/waiverfile

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Read WaiverFile waivers, events, forms and SMS opt-ins; create and update events, invite managers.

Website Source

At a glance

Type

MCP server

Publisher

usefulapi.io (verified by the MCP Registry)

Status

Working at last check

Tools

17

Token cost

About 4,338 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.waiverfile]
url = "https://waiverfile.usefulapi.io/mcp"

Gemini CLI

{"mcpServers":{"waiverfile":{"httpUrl":"https://waiverfile.usefulapi.io/mcp"}}}

Cursor

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

VS Code

{"servers":{"waiverfile":{"type":"http","url":"https://waiverfile.usefulapi.io/mcp"}}}

Antigravity

agy mcp add waiverfile https://waiverfile.usefulapi.io/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"waiverfile","server_url":"https://waiverfile.usefulapi.io/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"waiverfile","server_url":"https://waiverfile.usefulapi.io/mcp"}

Tools

• waiverfile_count_waivers ~297 tokens
  How many waivers a date range holds: record_count (GetWaiverDataCount, the rows waiverfile_export_waiver_data pages through) and waiver_count (GetAllWaiversByDateRangePageCount, which WaiverFile documents as the number of waivers in the range, used to work out the pages of waiverfile_list_waivers).
• waiverfile_create_event ~462 tokens
  Create a waiver event (a class, tour or session that collects waivers) with a name and a start/end time (UTC). Optionally an all-day flag, category, location, signing cut-off, participant limit and which waiver forms to attach (default: WaiverFile's own choice, see list_waiver_forms). Not idempotent
• waiverfile_create_event_category ~147 tokens
  Create an event category (a label to group events). Not idempotent: calling twice with the same name creates two categories. POST /InsertEventCategory.
• waiverfile_export_waiver_data ~416 tokens
  A page of flat waiver rows for a date range (the data behind the WaiverFile export): standard fields, optionally every custom form field as a column, and participants either as one comma-separated column or one row each. Personal data of signers. GET /GetWaiverData.
• waiverfile_find_waivers_by_reference ~248 tokens
  Find waivers by the reference ids an outside booking or reservation system attached to them (referenceID1, 2, 3). Give at least one of reference_id_1/2/3, or reference_id_any to match all three fields. GET /GetWaiversByReferenceID.
• waiverfile_get_event_waivers ~142 tokens
  The waivers collected for one event: who signed, when, and the participants. Personal data of signers. GET /GetWaiversForEvent.
• waiverfile_get_site ~88 tokens
  Details of the WaiverFile site (WaiverSite) this API key belongs to: name, settings and plan information as WaiverFile reports them. GET /GetSiteDetails.
• waiverfile_get_waiver ~208 tokens
  One signed waiver by id: signer, date signed, participants, collected form data, event and the agreement text. Set lite for only the collected form data (no agreement text or event info). Signature and image bytes are never returned. GET /GetWaiver or /GetWaiverLite.
• waiverfile_invite_event_managers Sends messages · ~453 tokens
  SENDS EMAIL: invites people (by email address) to manage one event; they can log in to WaiverFile and see its signers and participants, with the fields set in the account settings. WaiverFile emails each address, with your optional message in the body (skip_email_if_account_exists suppresses the ema
• waiverfile_list_event_categories ~118 tokens
  List the event categories of the site (id and name). Use the ids to filter events or to put a new event in a category. GET /GetEventCategories.
• waiverfile_list_events ~274 tokens
  List waiver events (a class, tour, party or session that collects waivers) whose date falls in a range, optionally only one event category. Each event has an id, name, start/end, headcount and spots remaining. Dates are UTC. GET /GetEventsByDateRange or /GetEventsByCategory.
• waiverfile_list_sms_subscribers ~239 tokens
  SMS marketing subscribers (phone numbers) that opted in during a date range, or with opted_out set the ones that opted out. Dates are UTC. Personal data. GET /GetSubscribersByDate or /GetOptedOutSubscribersByOptOutDate.
• waiverfile_list_upcoming_events ~170 tokens
  List upcoming waiver events between two dates (UTC), for example the next 7 days. GET /GetUpcomingEvents.
• waiverfile_list_waiver_forms ~164 tokens
  List the waiver forms of the site (name, id, which fields they collect: email, address, phone, date of birth, minimum age, signature). Active forms by default; set include_deleted for all forms including deleted ones. Use the form ids when creating or updating events. GET /GetActiveWaiverForms or /G
• waiverfile_list_waivers ~362 tokens
  A page of the waivers signed in a date range. Set lite for only the collected form data (smaller). For a flat export with custom form columns use waiverfile_export_waiver_data; for totals use waiverfile_count_waivers. Personal data of signers. GET /GetAllWaiversByDateRange or /GetAllWaiversByDateRan
• waiverfile_search_waivers ~122 tokens
  Search signed waivers by free-text terms (a signer's name, email or phone). Personal data of signers. GET /SearchWaivers.
• waiverfile_update_event ~428 tokens
  Update an existing event. WaiverFile replaces the whole event, so name, start, end and all_day are required and anything left out is reset: category_id empty = no category, waiver_form_ids empty = ALL active forms are attached. Read the event first (waiverfile_list_events) and send its current value

Browse

• Email
• SMS and text messages
• Booking and scheduling

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