Read events, ticket types, orders, attendees and daily ticket sales in Universe. For event organizers who sell tickets with Universe. Hosted by usefulapi — connect from Claude, ChatGPT, Cursor, or any MCP client.
Team and Enterprise: an Owner adds the connector for the organization first.
Run this command, then run /mcp in Claude Code to log in:
Add to Cursor or add this to ~/.cursor/mcp.json:
{
"mcpServers": {
"universe": {
"url": "https://universe.usefulapi.io/mcp"
}
}
}Add to VS Code or add this to .vscode/mcp.json:
{
"servers": {
"universe": {
"type": "http",
"url": "https://universe.usefulapi.io/mcp"
}
}
}No Add custom MCP server option? It depends on your account or workspace settings: see OpenAI's guide.
Run these commands. The second one opens the login page:
Other MCP clients (Windsurf, Cline, Zed and more): add the URL as a remote MCP server (Streamable HTTP). The client then opens the login page in your browser. Do not add an Authorization header: see Before you connect.
List your events, or the events of a host account you manage. Ask the assistant for a summary of tickets sold per event.
universe_get_viewer universe_list_events universe_get_event
List the ticket types of an event with price, capacity and sold count. Find the types that need a reminder or a new batch.
universe_list_ticket_types universe_get_event
Read the ticket sales per day for an event between two dates. Ask the assistant to show the trend before and after a promotion.
universe_event_sales_by_day universe_get_event
List the orders and the attendees of an event. Filter by order state or by name. Open one order to see the buyer and the check-in state.
universe_list_orders universe_get_order universe_list_attendees
List the time slots of an event with capacity and tickets sold. Filter by a date range to see which dates still have room.
universe_list_time_slots universe_get_event
You sign in with your Universe account and approve the access (OAuth). You do not need an API key.
This server reads your events, ticket types, orders, attendees and sales. It does not change anything. You can revoke access any time in your Universe account settings.
Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: you sign in with your Universe account. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.
Turn on the Universe connector, then ask in plain words. The AI picks the tools.
| Tool | Type | What it does |
|---|---|---|
universe_get_viewer | read | Who am I Return the signed-in Universe user and the host accounts they can manage (team memberships). Use a host id with universe_list_events. Read-only. |
universe_list_events | read | List events List events (id, title, url, state, first date, venue, tickets sold). Without hostId it lists the signed-in user's own events; with hostId it lists that host account's events (ids come from universe_get_viewer). Read-only. |
universe_get_event | read | Get one event Fetch one event by id: description, address, dates, capacity, tickets sold, sales amount, category and host. For ticket types use universe_list_ticket_types. Read-only. |
universe_list_ticket_types | read | List ticket types List the ticket types (rates) of an event: name, price, capacity, sold count, state and sales window. Read-only. |
universe_list_time_slots | read | List time slots List the dates and time slots of an event (start, end, capacity, tickets sold, state). Optionally filter by start date range (YYYY-MM-DD). Read-only. |
universe_list_orders | read | List orders List the orders of an event: buyer name and email, state, price breakdown, created and updated time. Filter by order state, text match or updated-since time. Contains buyer personal data. Read-only. |
universe_get_order | read | Get one order Fetch one order by id: buyer, state, cost breakdown, time slot, checkout answers and the ticket items with their check-in state. Read-only. |
universe_list_attendees | read | List attendees List the attendees (ticket holders) of an event: name, email, ticket type, time slot, ticket state and checkout answers. Filter by ticket state, text match or time slot. Contains personal data. Read-only. |
universe_event_sales_by_day | read | Event sales by day Return ticket sales per day for an event between two dates (YYYY-MM-DD, inclusive). Read-only. |
universe_usage_status | Usage status (free-tier meter) Report the caller's current usage: the plan, calls used this month, the limit of the plan (the free monthly cap or the Pro fair use limit), remaining, and whether the limit is reached. Read-only; does not count against the meter. | |
universe_request_feature | Request a missing feature Tell usefulapi that the user needs something the Universe tools cannot do yet (a missing tool, field or filter). Call it only when the user asks for something none of the tools can do, and tell the user that you send the request. Do not call it for errors or for normal requests. Do not include personal data, credentials or customer records. Stored with the product name and the client type (for example Claude or Cursor), without the user's account. At most 5 requests per day. Does not count against the meter. | |
universe_upgrade | Upgrade to Pro (unlimited*) Get Pro: unlimited tool calls (fair use limit: 10,000 a month) on Universe (the free tier caps monthly usage). Plans: "monthly" — $9/month; "yearly" — $90/year (2 months free). Cancel any time: Pro then runs to the end of the paid period, so it also suits a one-time job. *A fair use limit applies. For heavy use (near Pro's limit): "plus" or "plus_yearly" — Pro+, $39/month or $390/year, unlimited tool calls (fair use limit: 100,000 a month); an existing Pro subscription changes to Pro+ in place (needs confirm: true; the price difference for the rest of the period is charged at once). Otherwise returns a short link to open in your browser (it opens Stripe Checkout); after payment the account upgrades automatically. Does not count against the meter. | |
universe_cancel_subscription | Cancel the Pro subscription Cancel the caller's Universe Pro subscription at the end of the paid period (no refund for the current period; Pro continues until then, then the free tier applies). Requires confirm: true. Run universe_upgrade later to undo the cancel before the period ends. Does not count against the meter. |
| Plan | Price | Limit |
|---|---|---|
| Free | $0 | 50 tool calls / month |
| Proper user | $9/mo · $90/yr | Unlimited* |
*Pro fair use limit: 10,000 tool calls a month on this server. For more, write to [email protected].
Pro covers this Universe server only. Subscribe with universe_upgrade (it returns a Stripe Checkout link). Cancel any time with universe_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running universe_upgrade before then undoes the cancel. Or write to [email protected].
See how many tickets each live event sold. Check which ticket types are almost sold out. Track ticket sales per day. Find who bought tickets for your next event. Review the dates and time slots of an event. See what you can do for the details.
No. usefulapi is an independent service. It is not affiliated with or endorsed by Universe. The server calls the Universe API with your own Universe access, so it sees only the data that your account can see.
Yes. In Claude, add this server's URL as a custom connector. In ChatGPT, add it as a custom MCP server in Plugins. Then log in once. Cursor, VS Code, Claude Code and Codex work too. See the setup steps.
A Universe account. You sign in to Universe and approve the access. You do not need an API key.
No. Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: you sign in with your Universe account. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.
The login stores them encrypted in the authorization grant of your connection. The server uses them to call the Universe API for you and to derive a private account id for usage metering. usefulapi does not show them on any page or in any reply. You can revoke the access in Universe at any time.
All 9 Universe tools are marked read-only.
The Free plan gives 50 tool calls / month. Pro costs $9/mo or $90/yr, with unlimited tool calls (fair use limit: 10,000 tool calls a month), for this Universe server only. Cancel any time: Pro then runs to the end of the paid period. Run universe_usage_status to see how many calls you used.
Ask the AI to run universe_upgrade: it returns a Stripe Checkout link. To cancel, run universe_cancel_subscription. Pro continues to the end of the paid period.
Tell the AI what you wanted to do. It can send the request with universe_request_feature. We store the text with the server name, the type of AI client and the tool you tried, not with your account, and read every request when we plan new tools. You can send up to 5 requests per day.
Any client that supports remote MCP servers (Streamable HTTP) with OAuth login: Claude (web and desktop), Claude Code, ChatGPT, Codex, Cursor, VS Code, Windsurf and others.
This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.
Need a tool this server does not have, or a connection to another system? We build custom integrations and MCP servers.