ActivityPub Viewer

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.

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{ "@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://mastodon.social/users/collaborativeai", "type": "Person", "following": "https://mastodon.social/users/collaborativeai/following", "followers": "https://mastodon.social/users/collaborativeai/followers", "inbox": "https://mastodon.social/users/collaborativeai/inbox", "outbox": "https://mastodon.social/users/collaborativeai/outbox", "featured": "https://mastodon.social/users/collaborativeai/collections/featured", "featuredTags": "https://mastodon.social/users/collaborativeai/collections/tags", "preferredUsername": "collaborativeai", "name": "collaborativeai", "summary": "<p>The Collaborative Artificial Intelligence (CAI) Group, headed by Prof. Dr. Andreas Bulling, is within the Department of Computer Science at the University of Stuttgart, Germany. Our group conducts fundamental research towards collaborative artificial intelligence at the intersection of multimodal machine learning, computational cognitive modelling, computer vision, and human-machine interaction.</p>", "url": "https://mastodon.social/@collaborativeai", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": true, "published": "2024-12-04T00:00:00Z", "memorial": false, "publicKey": { "id": "https://mastodon.social/users/collaborativeai#main-key", "owner": "https://mastodon.social/users/collaborativeai", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkkI0L54mpkcwF1xXaXjr\nOjVoabxLzoDfP5esHu+Lbumk0yvCuOViD6TRvmFQH3uhunQClsohwTLvUJfC1+kH\nkmOW/mg3BkWvDkwD0/AjIP9AF7UZ0WxPpn6aTYwOwp3YbYAIX82/cRDYzDX5SYmN\nPxKQ/PKQoFAZk8hKIK7IjOxc9l7VsMI4o/c/ruSLVKF/r2+rdrV5AmodFFOqM6bZ\nceKCQFxu0lhjK8wNM780GNN4EjDaRFDc0S8XSj/zcgkdT+d1P/Op5FuIz40FV8uN\nB0WLVwAcnayYnQnAVdNPQQTvkhdKoHTYQDEumH9CyvwI1uU/psP90SgW7X65v0DH\nGwIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [], "attachment": [ { "type": "PropertyValue", "name": "Website", "value": "collaborative-ai.org" } ], "endpoints": { "sharedInbox": "https://mastodon.social/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://files.mastodon.social/accounts/avatars/113/594/898/962/830/559/original/d851af3f229e915a.png" }, "image": { "type": "Image", "mediaType": "image/png", "url": "https://files.mastodon.social/accounts/headers/113/594/898/962/830/559/original/675cd536f7dd639b.png" } }