Turn on the two helpers
Open Settings → Devices & Services → Add Integration. Add “OIDC Provider” first, then add the “MCP Server” from ganhammar. Leave “Enable native Home Assistant authentication” off and “Require administrator account” on.
Do both integrations appear under Devices & Services?
Continue when this step is ready. This keeps your place; it does not verify installation or change anything in your home.
I don’t see that / I need help
Downloading and adding an integration are separate steps. If the names are missing, confirm the download finished and Home Assistant restarted. Use current releases; OIDC Provider must be at least 1.5.0 for token audience checks.