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",
"https://w3id.org/security/v1",
{
"manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
"toot": "http://joinmastodon.org/ns#",
"featured": {
"@id": "toot:featured",
"@type": "@id"
},
"featuredTags": {
"@id": "toot:featuredTags",
"@type": "@id"
},
"alsoKnownAs": {
"@id": "as:alsoKnownAs",
"@type": "@id"
},
"movedTo": {
"@id": "as:movedTo",
"@type": "@id"
},
"schema": "http://schema.org#",
"PropertyValue": "schema:PropertyValue",
"value": "schema:value",
"discoverable": "toot:discoverable",
"suspended": "toot:suspended",
"memorial": "toot:memorial",
"indexable": "toot:indexable",
"attributionDomains": {
"@id": "toot:attributionDomains",
"@type": "@id"
},
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
}
}
],
"id": "https://wisskomm.social/users/mpiinf",
"type": "Person",
"following": "https://wisskomm.social/users/mpiinf/following",
"followers": "https://wisskomm.social/users/mpiinf/followers",
"inbox": "https://wisskomm.social/users/mpiinf/inbox",
"outbox": "https://wisskomm.social/users/mpiinf/outbox",
"featured": "https://wisskomm.social/users/mpiinf/collections/featured",
"featuredTags": "https://wisskomm.social/users/mpiinf/collections/tags",
"preferredUsername": "mpiinf",
"name": "MPI für Informatik",
"summary": "<p>Ziel des Max-Planck-Instituts für Informatik in Saarbrücken ist es, die Grundlagenforschung und die Innovation in Schlüsselbereichen der Informatik voranzutreiben. Die Forschung umfasst dazu ein breites Spektrum, das von den grundlegenden Prinzipien von Algorithmen und Logik über die Untersuchung von Systemen wie dem Internet bis hin zu multimodalen Bereichen wie Computer Vision, Computergrafik, Datenbanken und Informationssystemen, maschinellem Lernen und künstlicher Intelligenz reicht.</p>",
"url": "https://wisskomm.social/@mpiinf",
"manuallyApprovesFollowers": false,
"discoverable": false,
"indexable": false,
"published": "2025-04-16T00:00:00Z",
"memorial": false,
"publicKey": {
"id": "https://wisskomm.social/users/mpiinf#main-key",
"owner": "https://wisskomm.social/users/mpiinf",
"publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+CZPu+KJBzHTLnhlmuSl\n64O3640RychIqqp/jwK5TQIfXkJMWAUgDLx/tJjrzTa7lAlS1Iuo7l1TnicWWNde\n4qOMFFxRBGyXCKh1e6MKUeKCBUxZ9FsdAa15hpdd+qQATp/8zYZ/sQiXW8zWfVtZ\nnCO6tTWdJj9bR3KIrtfWXd3wAQlT+uBerqH0S5Gwk4EzBg3AdJCLLRcz6CAszgS6\nd0dbSk+p8ZAnj3reL1pjdeNRNON+O+X6avM1hdgXTYu16Jz43roA9N0wVrw0jqsD\n8iiJ1HqCK1xHTjhqb4jlocPC4z7FrNwTCUQ/DKPKpTxuNPyK2adIqYV9do/L+50J\nlwIDAQAB\n-----END PUBLIC KEY-----\n"
},
"tag": [],
"attachment": [
{
"type": "PropertyValue",
"name": "Web",
"value": "<a href=\"https://www.mpi-inf.mpg.de/home\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">mpi-inf.mpg.de/home</span><span class=\"invisible\"></span></a>"
},
{
"type": "PropertyValue",
"name": "Impressum",
"value": "<a href=\"https://imprint.mpi-klsb.mpg.de/inf/www.mpi-inf.mpg.de?lang=de\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">imprint.mpi-klsb.mpg.de/inf/ww</span><span class=\"invisible\">w.mpi-inf.mpg.de?lang=de</span></a>"
},
{
"type": "PropertyValue",
"name": "Netiquette",
"value": "<a href=\"https://www.mpi-inf.mpg.de/netiquette\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">mpi-inf.mpg.de/netiquette</span><span class=\"invisible\"></span></a>"
}
],
"endpoints": {
"sharedInbox": "https://wisskomm.social/inbox"
},
"icon": {
"type": "Image",
"mediaType": "image/jpeg",
"url": "https://wisskomm.social/system/accounts/avatars/114/347/302/221/318/327/original/94c1b9991d99c4ce.jpg"
},
"image": {
"type": "Image",
"mediaType": "image/jpeg",
"url": "https://wisskomm.social/system/accounts/headers/114/347/302/221/318/327/original/aa7d8622ddba2f6e.jpg"
}
}