{"name":"Fillfolio","description":"Fillfolio is a premium portfolio tracker. Agent portfolio access uses MCP after OAuth. This card exists for A2A discovery; Fillfolio does not speak A2A JSON-RPC.","url":"https://fillfolio.com/a2a","version":"2026.09.03","documentationUrl":"https://fillfolio.com/mcp","provider":{"organization":"Fillfolio","url":"https://fillfolio.com"},"capabilities":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false},"defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["application/json","text/plain"],"supportedInterfaces":[{"url":"https://fillfolio.com/a2a","protocolBinding":"HTTP+JSON","protocolVersion":"0.3"}],"skills":[{"id":"public-connection-catalog","name":"Public connection catalog","description":"List brokerages, banks, and blockchain networks Fillfolio can connect read-only.","tags":["catalog","brokerage","wallet"],"examples":["which brokerages does Fillfolio support","list Fillfolio blockchain networks"]},{"id":"mcp-portfolio-read","name":"MCP portfolio read","description":"Read a paid account's portfolio summary, holdings, cash, and activity through Fillfolio MCP after OAuth.","tags":["mcp","portfolio","oauth"],"examples":["connect Fillfolio MCP for a read-only portfolio summary"]}]}