{"name":"UpperHand Workbench Agent","description":"The resident coordinator of the UpperHand Workbench: routes questions across the registered specialist agents over A2A, passing tiles, citations, and typed refusals through. Holds no domain data of its own.","provider":{"organization":"UpperHand AI","url":"https://upperhandai.com"},"version":"0.1.0","documentationUrl":"https://standards.upperhandai.com/packet","supportedInterfaces":[{"url":"https://workbench.upperhandai.com/api/a2a/jsonrpc","protocolBinding":"JSONRPC","tenant":"","protocolVersion":"1.0"}],"capabilities":{"streaming":true,"pushNotifications":false,"extensions":[{"uri":"https://standards.upperhandai.com/ext/data-source/v1","required":false,"description":"This agent proxies registered specialists; it holds no dataset itself.","params":{"study":"UpperHand Workbench fleet (see registered specialists)"}}]},"securitySchemes":{},"securityRequirements":[],"defaultInputModes":["text/plain"],"defaultOutputModes":["text/plain","application/json","text/html+mcp","application/vnd.upperhand.citations+json","application/vnd.upperhand.refusal+json"],"skills":[{"id":"ask_versant","name":"Ask Versant Mega Tracker Agent","description":"Routes questions to the \"Versant Mega Tracker Agent\" specialist over A2A. ","tags":["routing","versant"],"examples":[],"inputModes":[],"outputModes":[],"securityRequirements":[]}],"signatures":[]}