JSON-LD @context¶
Various examples the @context property can take.
See here for the
W3C specification, and here
for what ActivityStreams says about it.
Examples¶
Example 1¶
activity
{
"@context": "https://www.w3.org/ns/activitystreams",
"type": "Create",
"actor": "http://pasture-one-actor/actor",
"to": [
"http://mastodon/users/hippo",
"https://www.w3.org/ns/activitystreams#Public"
],
"id": "http://pasture-one-actor/activity/bN3kKTR5ekI",
"published": "2025-09-03T18:46:24Z",
"object": {
"type": "Note",
"attributedTo": "http://pasture-one-actor/actor",
"to": [
"https://www.w3.org/ns/activitystreams#Public",
"http://mastodon/users/hippo"
],
"id": "http://pasture-one-actor/object/xe6kT2fQtlQ",
"published": "2025-09-03T18:46:24Z",
"@context": "https://www.w3.org/ns/activitystreams",
"content": "@context url as the ActivityStreams URL"
}
}
mastodon
{
"id": "115141848899714831",
"created_at": "2025-09-03T18:46:24.000Z",
"in_reply_to_id": null,
"in_reply_to_account_id": null,
"sensitive": false,
"spoiler_text": "",
"visibility": "public",
"language": null,
"uri": "http://pasture-one-actor/object/xe6kT2fQtlQ",
"url": "http://pasture-one-actor/object/xe6kT2fQtlQ",
"replies_count": 0,
"reblogs_count": 0,
"favourites_count": 0,
"edited_at": null,
"favourited": false,
"reblogged": false,
"muted": false,
"bookmarked": false,
"content": "@context url as the ActivityStreams URL",
"filtered": [],
"reblog": null,
"account": {
"id": "115141847643620579",
"username": "actor",
"acct": "actor@pasture-one-actor",
"display_name": "Test Actor",
"locked": false,
"bot": false,
"discoverable": false,
"indexable": false,
"group": false,
"created_at": "2025-09-03T00:00:00.000Z",
"note": "",
"url": "http://pasture-one-actor/actor",
"uri": "http://pasture-one-actor/actor",
"avatar": "http://mastodon/avatars/original/missing.png",
"avatar_static": "http://mastodon/avatars/original/missing.png",
"header": "http://mastodon/headers/original/missing.png",
"header_static": "http://mastodon/headers/original/missing.png",
"followers_count": 0,
"following_count": 0,
"statuses_count": 19,
"last_status_at": "2025-09-03",
"hide_collections": true,
"emojis": [],
"fields": []
},
"media_attachments": [],
"mentions": [],
"tags": [],
"emojis": [],
"quote": null,
"card": null,
"poll": null
}
Example 2¶
activity
{
"@context": [
"https://www.w3.org/ns/activitystreams"
],
"type": "Create",
"actor": "http://pasture-one-actor/actor",
"to": [
"http://mastodon/users/hippo",
"https://www.w3.org/ns/activitystreams#Public"
],
"id": "http://pasture-one-actor/activity/jlfa_we8A4U",
"published": "2025-09-03T18:46:25Z",
"object": {
"type": "Note",
"attributedTo": "http://pasture-one-actor/actor",
"to": [
"https://www.w3.org/ns/activitystreams#Public",
"http://mastodon/users/hippo"
],
"id": "http://pasture-one-actor/object/itgyj0tdzeM",
"published": "2025-09-03T18:46:25Z",
"@context": [
"https://www.w3.org/ns/activitystreams"
],
"content": "@context url is list of ActivityStreams URL"
}
}
mastodon
{
"id": "115141848965437726",
"created_at": "2025-09-03T18:46:25.000Z",
"in_reply_to_id": null,
"in_reply_to_account_id": null,
"sensitive": false,
"spoiler_text": "",
"visibility": "public",
"language": null,
"uri": "http://pasture-one-actor/object/itgyj0tdzeM",
"url": "http://pasture-one-actor/object/itgyj0tdzeM",
"replies_count": 0,
"reblogs_count": 0,
"favourites_count": 0,
"edited_at": null,
"favourited": false,
"reblogged": false,
"muted": false,
"bookmarked": false,
"content": "@context url is list of ActivityStreams URL",
"filtered": [],
"reblog": null,
"account": {
"id": "115141847643620579",
"username": "actor",
"acct": "actor@pasture-one-actor",
"display_name": "Test Actor",
"locked": false,
"bot": false,
"discoverable": false,
"indexable": false,
"group": false,
"created_at": "2025-09-03T00:00:00.000Z",
"note": "",
"url": "http://pasture-one-actor/actor",
"uri": "http://pasture-one-actor/actor",
"avatar": "http://mastodon/avatars/original/missing.png",
"avatar_static": "http://mastodon/avatars/original/missing.png",
"header": "http://mastodon/headers/original/missing.png",
"header_static": "http://mastodon/headers/original/missing.png",
"followers_count": 0,
"following_count": 0,
"statuses_count": 20,
"last_status_at": "2025-09-03",
"hide_collections": true,
"emojis": [],
"fields": []
},
"media_attachments": [],
"mentions": [],
"tags": [],
"emojis": [],
"quote": null,
"card": null,
"poll": null
}
Example 3¶
activity
{
"@context": [
"https://www.w3.org/ns/activitystreams",
{
"Hashtag": "as:Hashtag"
}
],
"type": "Create",
"actor": "http://pasture-one-actor/actor",
"to": [
"http://mastodon/users/hippo",
"https://www.w3.org/ns/activitystreams#Public"
],
"id": "http://pasture-one-actor/activity/V04AnFROQVU",
"published": "2025-09-03T18:46:26Z",
"object": {
"type": "Note",
"attributedTo": "http://pasture-one-actor/actor",
"to": [
"https://www.w3.org/ns/activitystreams#Public",
"http://mastodon/users/hippo"
],
"id": "http://pasture-one-actor/object/BKNhi1y-t70",
"published": "2025-09-03T18:46:26Z",
"@context": [
"https://www.w3.org/ns/activitystreams",
{
"Hashtag": "as:Hashtag"
}
],
"content": "@context url is list of ActivityStreams URL and Hashtag"
}
}
mastodon
{
"id": "115141849031553013",
"created_at": "2025-09-03T18:46:26.000Z",
"in_reply_to_id": null,
"in_reply_to_account_id": null,
"sensitive": false,
"spoiler_text": "",
"visibility": "public",
"language": null,
"uri": "http://pasture-one-actor/object/BKNhi1y-t70",
"url": "http://pasture-one-actor/object/BKNhi1y-t70",
"replies_count": 0,
"reblogs_count": 0,
"favourites_count": 0,
"edited_at": null,
"favourited": false,
"reblogged": false,
"muted": false,
"bookmarked": false,
"content": "@context url is list of ActivityStreams URL and Hashtag",
"filtered": [],
"reblog": null,
"account": {
"id": "115141847643620579",
"username": "actor",
"acct": "actor@pasture-one-actor",
"display_name": "Test Actor",
"locked": false,
"bot": false,
"discoverable": false,
"indexable": false,
"group": false,
"created_at": "2025-09-03T00:00:00.000Z",
"note": "",
"url": "http://pasture-one-actor/actor",
"uri": "http://pasture-one-actor/actor",
"avatar": "http://mastodon/avatars/original/missing.png",
"avatar_static": "http://mastodon/avatars/original/missing.png",
"header": "http://mastodon/headers/original/missing.png",
"header_static": "http://mastodon/headers/original/missing.png",
"followers_count": 0,
"following_count": 0,
"statuses_count": 21,
"last_status_at": "2025-09-03",
"hide_collections": true,
"emojis": [],
"fields": []
},
"media_attachments": [],
"mentions": [],
"tags": [],
"emojis": [],
"quote": null,
"card": null,
"poll": null
}
Example 4¶
activity
{
"@context": [
"https://www.w3.org/ns/activitystreams",
"https://w3id.org/fep/5711"
],
"type": "Create",
"actor": "http://pasture-one-actor/actor",
"to": [
"http://mastodon/users/hippo",
"https://www.w3.org/ns/activitystreams#Public"
],
"id": "http://pasture-one-actor/activity/ONRkLOSWEuU",
"published": "2025-09-03T18:46:27Z",
"object": {
"type": "Note",
"attributedTo": "http://pasture-one-actor/actor",
"to": [
"https://www.w3.org/ns/activitystreams#Public",
"http://mastodon/users/hippo"
],
"id": "http://pasture-one-actor/object/HGeK5SSsbIE",
"published": "2025-09-03T18:46:27Z",
"@context": [
"https://www.w3.org/ns/activitystreams",
"https://w3id.org/fep/5711"
],
"content": "@context with ActivityStreams URL + w3id-fep document"
}
}
mastodon
{
"id": "115141849096759055",
"created_at": "2025-09-03T18:46:27.000Z",
"in_reply_to_id": null,
"in_reply_to_account_id": null,
"sensitive": false,
"spoiler_text": "",
"visibility": "public",
"language": null,
"uri": "http://pasture-one-actor/object/HGeK5SSsbIE",
"url": "http://pasture-one-actor/object/HGeK5SSsbIE",
"replies_count": 0,
"reblogs_count": 0,
"favourites_count": 0,
"edited_at": null,
"favourited": false,
"reblogged": false,
"muted": false,
"bookmarked": false,
"content": "@context with ActivityStreams URL + w3id-fep document",
"filtered": [],
"reblog": null,
"account": {
"id": "115141847643620579",
"username": "actor",
"acct": "actor@pasture-one-actor",
"display_name": "Test Actor",
"locked": false,
"bot": false,
"discoverable": false,
"indexable": false,
"group": false,
"created_at": "2025-09-03T00:00:00.000Z",
"note": "",
"url": "http://pasture-one-actor/actor",
"uri": "http://pasture-one-actor/actor",
"avatar": "http://mastodon/avatars/original/missing.png",
"avatar_static": "http://mastodon/avatars/original/missing.png",
"header": "http://mastodon/headers/original/missing.png",
"header_static": "http://mastodon/headers/original/missing.png",
"followers_count": 0,
"following_count": 0,
"statuses_count": 22,
"last_status_at": "2025-09-03",
"hide_collections": true,
"emojis": [],
"fields": []
},
"media_attachments": [],
"mentions": [],
"tags": [],
"emojis": [],
"quote": null,
"card": null,
"poll": null
}
Example 5¶
activity
{
"@context": null,
"type": "Create",
"actor": "http://pasture-one-actor/actor",
"to": [
"http://mastodon/users/hippo",
"https://www.w3.org/ns/activitystreams#Public"
],
"id": "http://pasture-one-actor/activity/vnLGhciqXRc",
"published": "2025-09-03T18:46:28Z",
"object": {
"type": "Note",
"attributedTo": "http://pasture-one-actor/actor",
"to": [
"https://www.w3.org/ns/activitystreams#Public",
"http://mastodon/users/hippo"
],
"id": "http://pasture-one-actor/object/ibC6606soJg",
"published": "2025-09-03T18:46:28Z",
"@context": null,
"content": "no @context"
}
}
no result
Example 6¶
activity
{
"@context": "http://strange.example/context",
"type": "Create",
"actor": "http://pasture-one-actor/actor",
"to": [
"http://mastodon/users/hippo",
"https://www.w3.org/ns/activitystreams#Public"
],
"id": "http://pasture-one-actor/activity/DKSr5UjRDNw",
"published": "2025-09-03T18:46:42Z",
"object": {
"type": "Note",
"attributedTo": "http://pasture-one-actor/actor",
"to": [
"https://www.w3.org/ns/activitystreams#Public",
"http://mastodon/users/hippo"
],
"id": "http://pasture-one-actor/object/LX7Iy8SMU50",
"published": "2025-09-03T18:46:42Z",
"@context": "http://strange.example/context",
"content": "@context is a broken url"
}
}
no result