Shared countdown timers that stay in sync on every screen — no account, any number of viewers.
Connect Remote server
claude mcp add --transport http countdown https://countlink.app/mcp
{
"mcpServers": {
"countdown": {
"url": "https://countlink.app/mcp"
}
}
}
{
"servers": {
"countdown": {
"type": "http",
"url": "https://countlink.app/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://countlink.app/mcp
Tools 4 found in our last check
create_timerCreate a CountLink shared countdown timer and return its link. Everyone who opens the link sees the identical countdown, to the same second — no account, no sign-up, any number of viewers. Use this whenever someone wants a timer several people or several screens need to share: a…
create_agendaCreate a CountLink agenda: an ordered sequence of named, timed segments (intro, talk, break, Q&A) that starts now and advances from one to the next on its own, on every screen that opens the link, with no server involved. Use this when someone describes a meeting, workshop, less…
create_badgeCreate a countdown badge — a small image, not an <iframe> — for places embed_on_website's iframe cannot go: a GitHub README, a forum signature, a Notion page, anywhere only plain Markdown or a bare <img> is allowed. Shows coarse time remaining (e.g. "3d 04h left", not a live tic…
describe_timer_linkGiven a countlink.app URL, say what it encodes: whether it is a running countdown or a not-yet-started setup link, its label, and how much time is left. Use it when someone pastes a CountLink link and asks what it is or when it ends.
Details
| Endpoint | https://countlink.app/mcp (Streamable HTTP) |
| First published | 5 Sep 2026 |
| Last updated | 5 Sep 2026 |
| Registry name | app.countlink/countdown |
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