Demio MCP by usefulapi MCP Server

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answering

Demio MCP by usefulapi is answering right now. Last checked 11 min ago. It exposes 6 tools. Last commit 2 Nov 2026.

Read webinars, sessions and participants, and register attendees for a webinar in Demio.

Uptime history 21 hours of history

21 hours agonow

100.0%

Uptime 24h

77 of 77 checks

Tools

read from the server

229 ms

Response time

average over 24h

Stars

last commit 2 Nov 2026

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 2 November 2026. No other catalogue keeps this.

2 Nov a tool changed version

Nothing serious here today

Today is the operative word: we check Demio MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

Settings → Connectors → Add custom connector, then paste this address

https://demio.usefulapi.io/mcp

~/.codex/config.toml

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

.cursor/mcp.json

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

.vscode/mcp.json

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

Available tools 6

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

demio

demio_check_connection

Check that the API key and secret are valid. Returns pong=true and whether the key pair is a sandbox pair. Demio API: GET /ping.

demio_get_event

Get one event with its registration URL, next session ID and every session (date) in its series, with status and time. Demio API: GET /event/{id}.

demio_get_event_session

Get one session (event date) with its status, Unix timestamp and time zone. Demio API: GET /event/{id}/date/{date_id}.

demio_list_events

List active (not canceled) webinar events with their next session, status, time and registration URL. Use type=upcoming for future sessions, past for finished ones, or automated for evergreen events. Demio API: GET /events.

demio_list_participants

List the participants of one session with their name, email, custom field values, attendance flag and status. Use status to filter (attended, did not attend, completed, left early, banned). Demio API: GET /report/{date_id}/participants.

demio_register_attendee

WRITE: register one person for a webinar and return their personal join link. Give event_id or ref_url. Without date_id, Demio uses the nearest active session. A repeat call can create a second registrant. Demio API: PUT /event/register.

Endpoints

URL	Transport	State	Latency	Checked
https://demio.usefulapi.io/mcp	streamable-http	answering	200 ms	11 min ago

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Demio MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Demio MCP by usefulapi do?

It exposes 6 tools, read directly from the server on our last check. Among them: demio_check_connection, demio_get_event, demio_get_event_session, demio_list_events, demio_list_participants, demio_register_attendee. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Demio MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 77 of 77 checks got a reply (100.0%), average response time 229 ms. The bar chart above shows every period we have measured.

How do I connect Demio MCP by usefulapi?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Demio MCP by usefulapi need an API key?

No. Demio MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Demio MCP by usefulapi?

It answers our handshake in 229 ms on average, which is faster than 62% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Demio MCP by usefulapi open source?

The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at demio.usefulapi.io, which runs on its operator's own terms.