MCP server

Corsizio MCP by usefulapi

io.usefulapi/corsizio

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

Read Corsizio events, attendees and registrations, including payment status. Read-only.

Website Source

At a glance

Type

MCP server

Publisher

usefulapi.io (verified by the MCP Registry)

Status

Working at last check

Tools

6

Token cost

About 2,254 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 corsizio https://corsizio.usefulapi.io/mcp

Claude Desktop

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

Codex (config.toml)

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

Gemini CLI

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

Cursor

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

VS Code

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

Antigravity

agy mcp add corsizio https://corsizio.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":"corsizio","server_url":"https://corsizio.usefulapi.io/mcp","require_approval":"always"}

Grok (xAI API tools)

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

Tools

• corsizio_get_account ~123 tokens
  Get the Corsizio account behind the API key: name, alias, time zone, currency, site URL, contact, and the configured locations, categories, age groups, genders, levels and price ranges (their ids are the filters for corsizio_list_events). Good first call. API: GET /account.
• corsizio_get_attendee ~257 tokens
  Get one attendee registration in full: contact data, registration answers, internal remark, status, and with include=payment the amount, fees, taxes, refunds and transactions (card brand and last 4 digits). Returns personal data. The API key needs the attendees permission. API: GET /attendees/{id}.
• corsizio_get_event ~256 tokens
  Get one event in full: dates, location, ticket prices and early-bird prices, descriptions, max spots, contact and instructors. Use include=stats for registration counts. For the attendee list use corsizio_list_attendees with the event id (or corsizio_get_event_with_attendees). API: GET /events/{id}.
• corsizio_get_event_with_attendees ~236 tokens
  Get one event together with its attendees (and optionally each attendee's payment) in a single call. Returns personal data of registrants (names, emails, phones, notes); only use it when you need the roster, otherwise prefer corsizio_get_event or corsizio_list_attendees with a limit. API: GET /event
• corsizio_list_attendees ~660 tokens
  List attendee registrations across the account, or for one event (event filter): name, email, phone, status, registration answers and dates. Default status is active. Filter by status (e.g. owing,!canceled), created-date range, event id, coupon code or a search word (name, email, phone). Returns per
• corsizio_list_events ~722 tokens
  List the account's events (classes, workshops, camps) with dates, location, prices and page URLs, newest start first by default. Only published events unless status says otherwise. Filter by status, date range, price range, category/location/age/gender/level id (from corsizio_get_account) or a name

Browse

• Email
• Payments

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