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.

Open in browser →
{ "@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", "Hashtag": "as:Hashtag" } ], "id": "https://social.lansky.name/users/hn50/statuses/114335062862037559", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-14T07:10:06Z", "url": "https://social.lansky.name/@hn50/114335062862037559", "attributedTo": "https://social.lansky.name/users/hn50", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://social.lansky.name/users/hn50/followers" ], "sensitive": false, "atomUri": "https://social.lansky.name/users/hn50/statuses/114335062862037559", "inReplyToAtomUri": null, "conversation": "tag:social.lansky.name,2025-04-14:objectId=5451275:objectType=Conversation", "content": "<p>New Vulnerability in GitHub Copilot, Cursor: Hackers Can Weaponize Code Agents</p><p>Link: <a href=\"https://www.pillar.security/blog/new-vulnerability-in-github-copilot-and-cursor-how-hackers-can-weaponize-code-agents\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">pillar.security/blog/new-vulne</span><span class=\"invisible\">rability-in-github-copilot-and-cursor-how-hackers-can-weaponize-code-agents</span></a><br />Discussion: <a href=\"https://news.ycombinator.com/item?id=43677067\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">news.ycombinator.com/item?id=4</span><span class=\"invisible\">3677067</span></a></p><p><a href=\"https://social.lansky.name/tags/github\" class=\"mention hashtag\" rel=\"tag\">#<span>github</span></a></p>", "contentMap": { "en": "<p>New Vulnerability in GitHub Copilot, Cursor: Hackers Can Weaponize Code Agents</p><p>Link: <a href=\"https://www.pillar.security/blog/new-vulnerability-in-github-copilot-and-cursor-how-hackers-can-weaponize-code-agents\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">pillar.security/blog/new-vulne</span><span class=\"invisible\">rability-in-github-copilot-and-cursor-how-hackers-can-weaponize-code-agents</span></a><br />Discussion: <a href=\"https://news.ycombinator.com/item?id=43677067\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">news.ycombinator.com/item?id=4</span><span class=\"invisible\">3677067</span></a></p><p><a href=\"https://social.lansky.name/tags/github\" class=\"mention hashtag\" rel=\"tag\">#<span>github</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://social.lansky.name/tags/github", "name": "#github" } ], "replies": { "id": "https://social.lansky.name/users/hn50/statuses/114335062862037559/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://social.lansky.name/users/hn50/statuses/114335062862037559/replies?only_other_accounts=true&page=true", "partOf": "https://social.lansky.name/users/hn50/statuses/114335062862037559/replies", "items": [] } }, "likes": { "id": "https://social.lansky.name/users/hn50/statuses/114335062862037559/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://social.lansky.name/users/hn50/statuses/114335062862037559/shares", "type": "Collection", "totalItems": 4 } }