{"issuer":"https:\/\/mcp.sendpulse.com","registration_endpoint":"https:\/\/mcp.sendpulse.com\/oauth\/register","authorization_endpoint":"https:\/\/mcp.sendpulse.com\/oauth\/authorize","token_endpoint":"https:\/\/mcp.sendpulse.com\/oauth\/token","scopes_supported":["rest"],"response_types_supported":["code"],"response_modes_supported":["query"],"grant_types_supported":["authorization_code","refresh_token"],"token_endpoint_auth_methods_supported":["none"],"code_challenge_methods_supported":["plain","S256"]}