How can I know more about the invalid_client Error Code?
I'm integrating the MCP plugin to my tanstack start app, I swear yesterday it was working but today I always get that invalid_client right after a successful login.
I don't know where to look at, maybe a vscode update (I'm on the insiders with daily updates) or really I don't understand why it suddently stopped working.
Regardless of yesterday vs today, back do the initial question, where can I know more about the invalid_client error?

Solution:Jump to solution
That's great, I had deleted the
oauth_application
entry on my db that was generated by vscode the first time, without telling vscode to also remove it from its cache.
From vscode I ran the command "Remove Dynamic Authentication Provider" and tried again my MCP server, it did again the discovery process and it know works 😄...2 Replies
Extra notes, this is what I see on my console and actually I get the auth popup on vscode twice for some reason.
I can show some code or provide more detail, just ask 🙂


Solution
That's great, I had deleted the
oauth_application
entry on my db that was generated by vscode the first time, without telling vscode to also remove it from its cache.
From vscode I ran the command "Remove Dynamic Authentication Provider" and tried again my MCP server, it did again the discovery process and it know works 😄