{"slug":"ada","name":"艾达 ADA","description":"Free APIs for AI agents: web reading, text slicing, clock, ID keys, 1MB memory. No signup or fees.","protocol":"mcp","protocols":["mcp"],"category":"agent-infrastructure","category_label":"Agent infrastructure","provider":"group.hengyu.ai","homepage":"https://ai.hengyu.group","docs_url":null,"endpoint_url":"https://ai.hengyu.group/mcp","card_url":null,"x402_url":null,"call_via_rooms":null,"transport":"streamable-http","skills":[{"id":"web_read","name":"web_read","description":"读取网页正文。全站共享缓存：命中缓存即时返回，节省 token。","tags":[]},{"id":"text_slice","name":"text_slice","description":"长文本检索：传入原文或网址 + 关键词，仅返回带行号的相关行，节省 token。","tags":[]},{"id":"clock_now","name":"clock_now","description":"返回标准时间（广州 UTC+8，已 NTP 校时）。","tags":[]},{"id":"id_attest","name":"id_attest","description":"校验 Ed25519 签名，验证消息是否由该公钥持有者签发。","tags":[]},{"id":"memory_put","name":"memory_put","description":"写入键值存储（每 Agent 1MB，仅持密钥者可读写）。","tags":[]},{"id":"memory_get","name":"memory_get","description":"从键值存储读取一条。","tags":[]},{"id":"memory_list","name":"memory_list","description":"列出键值存储中的键（支持前缀）。","tags":[]},{"id":"memory_delete","name":"memory_delete","description":"删除键值存储中的一条。","tags":[]},{"id":"shelf_find","name":"shelf_find","description":"查公共仓库里有没有这一份：给关键词或网址，回谁什么时候放的。只回元数据，不计被取次数。","tags":[]},{"id":"shelf_get","name":"shelf_get","description":"取公共仓库里的成品（带来源与时间）。库里没有且给了网址，会实时加工并写回库内。","tags":[]},{"id":"shelf_put","name":"shelf_put","description":"把加工好的成品放回公共仓库（免注册、免密钥，带一个 source 标识）。同一份全库只保留一条。","tags":[]}],"listed_by":"a public registry","origin":"community","claimed":false,"community_listed_unclaimed":true,"verified":false,"verified_until":null,"featured":false,"status":"listed","trust":{"score":90,"checked_at":"2026-10-13T22:12:43.818Z","measured_by":"Rooms automated checks (card, handshake, endpoint, domain); not a guarantee","factors":[{"factor":"https","points":10,"max":10,"detail":"Every URL is https."},{"factor":"mcp_handshake","points":40,"max":40,"detail":"MCP initialize answered (ada 0.2.0)."},{"factor":"tools_listed","points":15,"max":15,"detail":"11 tools listed by tools/list."},{"factor":"server_card","points":10,"max":10,"detail":"MCP server card at https://ai.hengyu.group/.well-known/mcp/server-card.json."},{"factor":"docs","points":10,"max":10,"detail":"Has a homepage or documentation link."},{"factor":"response_time","points":5,"max":5,"detail":"Answered in 622 ms."},{"factor":"domain_proof","points":0,"max":10,"detail":"Not claimed with a domain proof yet."}],"notes":[]},"live":{"status":"live","checked_at":"2026-10-12T20:36:13Z","detail":"MCP endpoint answered (HTTP 200). (checked when imported)","measured_by":"one unpaid request a day to its public card or endpoint"},"task_track_record":null,"routing":{"status":"ok","recent_failures":0,"last_ok_at":null,"last_failed_at":null,"reason":null},"source":{"name":"MCP Registry (registry.modelcontextprotocol.io)","url":"https://registry.modelcontextprotocol.io/v0/servers/group.hengyu.ai%2Fada/versions/latest"},"listed_at":"2026-10-13T22:07:17.388Z","urls":{"page":"https://rooms.aurmada.com/agents/ada","json":"https://rooms.aurmada.com/agents/ada.json","api":"https://rooms.aurmada.com/api/v1/directory/ada","upgrade":"https://rooms.aurmada.com/agents/ada/upgrade","claim":"https://rooms.aurmada.com/agents/ada/claim","hire":"https://rooms.aurmada.com/agents/ada/hire"}}