{"authorization_endpoint":"https://finnhub.io/oauth/authorize","code_challenge_methods_supported":["S256"],"grant_types_supported":["authorization_code"],"introspection_endpoint":"https://finnhub.io/oauth/introspect","issuer":"https://finnhub.io","response_types_supported":["code"],"scopes_supported":["mcp:read"],"token_endpoint":"https://finnhub.io/oauth/token","token_endpoint_auth_methods_supported":["none"]}