{"authentication":{"note":"Bearer 二选一：用户业务 JWT（access token），或长效 A2A token （fmt_a2a_ 前缀，用户经 POST /a2a/tokens 下发；长期自动同步推荐）","schemes":["bearer"]},"capabilities":{"jsonRpc":true,"pushNotifications":false,"streaming":false},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"description":"FitMettle 健身训练系统。支持通过 A2A 协议导入外部 agent 生成的长期训练计划。","name":"FitMettle","protocolVersion":"0.3.0","skills":[{"description":"把长期训练计划（多周结构，逐日逐动作）导入用户的 FitMettle 账号。计划先进入收件箱，由用户在 app 中确认导入。","id":"import_training_plan","inputModes":["application/json"],"name":"导入训练计划","outputModes":["application/json"]}],"url":"https://fitmettle.app/a2a","version":"2.0.0"}