CountLink for Claude Code

app.countlink/countdown

Shared countdown timers that stay in sync on every screen — no account, any number of viewers.

client:Claude Code transport:streamable-http tools:4

Install CountLink in Claude Code

run in your project directory

claude mcp add --transport http countdown https://countlink.app/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs