at

word	name	example
at	uri	at://example.com
@	user	@example.com
[at]proto	repo	`git@github.com:bluesky-social/atproto`
[at]mosphere	system	pds, bsky(appview), ozone, bgs, plc
[a]uthenticated [t]ransfer	protocol	did

https://atproto.com/ja/guides/glossary

account

$ curl -sL syu.is/xrpc/_health

# latest
# https://github.com/bluesky-social/atproto/blob/main/packages/pds/package.json
$ curl -sL https://raw.githubusercontent.com/bluesky-social/atproto/refs/heads/main/packages/pds/package.json |jq -r .version

$ handle=ai.syui.ai
$ curl -sL "syu.is/xrpc/com.atproto.repo.describeRepo?repo=${handle}" |jq -r .did
did:plc:6qyecktefllvenje24fcxnie

$ curl -sL "syu.is/xrpc/com.atproto.repo.listRecords?repo=${handle}&collection=app.bsky.feed.post&reverse=true&limit=1" 
{"records":[{"uri":"at://did:plc:6qyecktefllvenje24fcxnie/app.bsky.feed.post/3l6s2riuouk2j","cid":"bafyreibjohl7va4upkibw5twaxdd4jg3l6rmfatu4dpjjfd5xkb2ijtlx4","value":{"text":"hello","$type":"app.bsky.feed.post","langs":["ja"],"createdAt":"2024-10-18T13:21:39.809Z"}}],"cursor":"3l6s2riuouk2j"}

feed

at://did:plc:6qyecktefllvenje24fcxnie/app.bsky.feed.generator/app

{
  "uri": "at://did:plc:6qyecktefllvenje24fcxnie/app.bsky.feed.generator/app",
  "cid": "bafyreifme6g5mhuiwfmjaubwnkoyvwak6c6zvcy4uv3giikxvqpvhqdtau",
  "value": {
    "did": "did:web:feed.syu.is",
    "$type": "app.bsky.feed.generator",
    "avatar": {
      "$type": "blob",
      "ref": {
        "$link": "bafkreigo3ucp32carhbn3chfc3hlf6i7f4rplojc76iylihzpifyexi24y"
      },
      "mimeType": "image/jpeg",
      "size": 375259
    },
    "createdAt": "2025-12-06T09:07:32Z",
    "description": "Automated App Feed",
    "displayName": "App Feed"
  }
}