Sume MCP OAuth: the consent page is on mcp.sume.com, not app
A Sume MCP client OAuth flow goes /oauth/authorize then /oauth/consent on the MCP host. Do not send users to app.sume.com; here is what the flow checks.
Sume's MCP consent screen is served from the MCP host. /oauth/authorize redirects to /oauth/consent on mcp.sume.com, and that is where the user approves mcp:read and, optionally, mcp:write. Do not send users to app.sume.com to approve a client.
This follows Sume's OAuth and API keys page, read 2026-10-06.
Where does a client discover this?
Protected-resource metadata is published at /.well-known/oauth-protected-resource/mcp. A compliant client reads it, finds the authorization server, and follows the redirects without any hard-coded consent URL.
| Step | Path | Host |
|---|---|---|
| Discover | /.well-known/oauth-protected-resource/mcp | mcp.sume.com |
| Authorize | /oauth/authorize | mcp.sume.com |
| Consent | /oauth/consent | mcp.sume.com |
| Call tools | /mcp | mcp.sume.com |
What goes wrong if I hard-code another host?
The user lands on a page that is not part of the OAuth flow, and the client never receives a code. If you maintain a custom client or a connector listing, use the discovery document instead of a pasted consent link.
Sources
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