{"issuer":"https://mcp.frankki.app","authorization_endpoint":"https://mcp.frankki.app/api/mcp/v1/oauth/authorize","token_endpoint":"https://mcp.frankki.app/api/mcp/v1/oauth/token","registration_endpoint":"https://mcp.frankki.app/api/mcp/v1/oauth/register","scopes_supported":["profile:read","sender_profile:read","mandant:read","address:read","template:read","wallet:read","letter:read","order:read","approval:read","archive:read","analytics:read","address:write","order:send","approval:decide","preset:write","signature:write","letterhead:write","letter:schedule","letter_design:write","template:write","sender_profile:write"],"response_types_supported":["code"],"grant_types_supported":["authorization_code","refresh_token"],"code_challenge_methods_supported":["S256"],"token_endpoint_auth_methods_supported":["none","client_secret_basic","client_secret_post"],"authorization_response_iss_parameter_supported":true}