ClickUp Authentication failing

[khcarlso]

The clickup-mcp module was working great up until this morning, when I noticed Claude code reported the server as "failed". I ran the server from the command line with my access key and team ID, and ClickUp is returning "401 Unauthorized". I tried generating a new ClickUp access key, but got the same result.

I read that ClickUp may have changed their API this week to handle auth a little differently and was curious if that could be the issue. Anyone else experiencing this?

[Legoless]

I have the same issue, using Warp, so its something in the MCP server going wrong.

[Nemo64]

there is no easy way to output error messages for an mcp during initialization.
but what i've noticed is that one of the dependencies no longer works with node 20 (or maybe even 22).
The current LTSs version from node appear to be working fine still.