A small tool to view real-world ActivityPub objects as JSON! Enter a URL
or username from Mastodon or a similar service below, and we'll send a
request with
the right
Accept
header
to the server to view the underlying object.
{
"@context": [
"https://www.w3.org/ns/activitystreams",
{
"ostatus": "http://ostatus.org#",
"atomUri": "ostatus:atomUri",
"inReplyToAtomUri": "ostatus:inReplyToAtomUri",
"conversation": "ostatus:conversation",
"sensitive": "as:sensitive",
"toot": "http://joinmastodon.org/ns#",
"votersCount": "toot:votersCount",
"blurhash": "toot:blurhash",
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
},
"Hashtag": "as:Hashtag"
}
],
"id": "https://mastodon.social/users/AverageDog/statuses/114762250559782427",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-06-28T17:49:33Z",
"url": "https://mastodon.social/@AverageDog/114762250559782427",
"attributedTo": "https://mastodon.social/users/AverageDog",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/AverageDog/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/AverageDog/statuses/114762250559782427",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.social,2025-06-28:objectId=1034817312:objectType=Conversation",
"content": "<p>The Mini <a href=\"https://mastodon.social/tags/CommonLISP\" class=\"mention hashtag\" rel=\"tag\">#<span>CommonLISP</span></a> I have been working on now runs on CP/M with 2416 free cons cells. Enough to load Ken Kahn's tiny PROLOG and run a few simple queries.<br />The <a href=\"https://mastodon.social/tags/AgonLight\" class=\"mention hashtag\" rel=\"tag\">#<span>AgonLight</span></a> (18MHz eZ80) loads the LISP part of the code (236 lines) in 11 seconds. Simple programs run at acceptable speed, but slightly more complex PROLOG queries take *minutes*. :) <br /><a href=\"https://mastodon.social/tags/LISP\" class=\"mention hashtag\" rel=\"tag\">#<span>LISP</span></a> <a href=\"https://mastodon.social/tags/CPM\" class=\"mention hashtag\" rel=\"tag\">#<span>CPM</span></a> <a href=\"https://mastodon.social/tags/PROLOG\" class=\"mention hashtag\" rel=\"tag\">#<span>PROLOG</span></a> <a href=\"https://mastodon.social/tags/Z80\" class=\"mention hashtag\" rel=\"tag\">#<span>Z80</span></a></p>",
"contentMap": {
"en": "<p>The Mini <a href=\"https://mastodon.social/tags/CommonLISP\" class=\"mention hashtag\" rel=\"tag\">#<span>CommonLISP</span></a> I have been working on now runs on CP/M with 2416 free cons cells. Enough to load Ken Kahn's tiny PROLOG and run a few simple queries.<br />The <a href=\"https://mastodon.social/tags/AgonLight\" class=\"mention hashtag\" rel=\"tag\">#<span>AgonLight</span></a> (18MHz eZ80) loads the LISP part of the code (236 lines) in 11 seconds. Simple programs run at acceptable speed, but slightly more complex PROLOG queries take *minutes*. :) <br /><a href=\"https://mastodon.social/tags/LISP\" class=\"mention hashtag\" rel=\"tag\">#<span>LISP</span></a> <a href=\"https://mastodon.social/tags/CPM\" class=\"mention hashtag\" rel=\"tag\">#<span>CPM</span></a> <a href=\"https://mastodon.social/tags/PROLOG\" class=\"mention hashtag\" rel=\"tag\">#<span>PROLOG</span></a> <a href=\"https://mastodon.social/tags/Z80\" class=\"mention hashtag\" rel=\"tag\">#<span>Z80</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/png",
"url": "https://files.mastodon.social/media_attachments/files/114/762/236/157/718/977/original/0afa50eabb260600.png",
"name": "MICRO COMMON LISP 01\n2416 NODES\n\n* (maplist #'reverse '(1 2 3 4 5))\n((5 4321) (5432) (543) (54) (5))\n\n* (do ((a '(hello beautiful lisp world) (cdr a)))\n ((null a) (terpri))\n (prin (car a)))\n\nHELLO BEAUTIFUL LISP WORLD\nT\n\n* (defmacro kwote (x) *',x)\nKWOTE\n\n* (kwote (foo bar))\n(FOO BAR)\n\n* (load 'prolog)\nT\n\n* (defparameter *db*\n '(((man socrates))\n ((mortal (\\\\ x)) (man (\\\\ x)))))\n\n* (prolog *db* '(mortal (\\\\ who)))\n\nWHO = SOCRATES\nNIL\n",
"blurhash": "U201@PhVg]gvf%f7eqeXgJgJgJgJf7eqeXeX",
"focalPoint": [
-0.59,
0.34
],
"width": 1765,
"height": 1036
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/commonlisp",
"name": "#commonlisp"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/agonlight",
"name": "#agonlight"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/lisp",
"name": "#lisp"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/cpm",
"name": "#cpm"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/prolog",
"name": "#prolog"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/z80",
"name": "#z80"
}
],
"replies": {
"id": "https://mastodon.social/users/AverageDog/statuses/114762250559782427/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/AverageDog/statuses/114762250559782427/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.social/users/AverageDog/statuses/114762250559782427/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon.social/users/AverageDog/statuses/114762250559782427/likes",
"type": "Collection",
"totalItems": 49
},
"shares": {
"id": "https://mastodon.social/users/AverageDog/statuses/114762250559782427/shares",
"type": "Collection",
"totalItems": 26
}
}