Highnote GraphQL MCP

MCP-spec OAuth-protected GraphQL access to the Highnote API. This service is intended to be consumed by MCP-aware AI agents, not by humans browsing this page.

• GET /.well-known/oauth-protected-resource — RFC 9728 metadata, used by agents to discover the authorization server.
• GET /healthz — config probe: 200 when the server can serve, 503 naming the unset variables when it cannot.

MCP protocol endpoint not yet implemented (Track 2b).