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", { "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://rss-mstdn.studiofreesia.com/users/dev_classmethod/statuses/114809509187520490", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-07-07T02:08:03Z", "url": "https://rss-mstdn.studiofreesia.com/@dev_classmethod/114809509187520490", "attributedTo": "https://rss-mstdn.studiofreesia.com/users/dev_classmethod", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://rss-mstdn.studiofreesia.com/users/dev_classmethod/followers" ], "sensitive": false, "atomUri": "https://rss-mstdn.studiofreesia.com/users/dev_classmethod/statuses/114809509187520490", "inReplyToAtomUri": null, "conversation": "tag:rss-mstdn.studiofreesia.com,2025-07-07:objectId=16253376:objectType=Conversation", "content": "<p>AWS CDKのLambda Pythonがuvをサポートしました<br /><a href=\"https://dev.classmethod.jp/articles/aws-cdk-lambda-python-supported-uv/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">dev.classmethod.jp/articles/aw</span><span class=\"invisible\">s-cdk-lambda-python-supported-uv/</span></a></p><p><a href=\"https://rss-mstdn.studiofreesia.com/tags/dev_classmethod\" class=\"mention hashtag\" rel=\"tag\">#<span>dev_classmethod</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/AWS_CDK\" class=\"mention hashtag\" rel=\"tag\">#<span>AWS_CDK</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/uv\" class=\"mention hashtag\" rel=\"tag\">#<span>uv</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Python\" class=\"mention hashtag\" rel=\"tag\">#<span>Python</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/AWS\" class=\"mention hashtag\" rel=\"tag\">#<span>AWS</span></a></p>", "contentMap": { "ja": "<p>AWS CDKのLambda Pythonがuvをサポートしました<br /><a href=\"https://dev.classmethod.jp/articles/aws-cdk-lambda-python-supported-uv/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">dev.classmethod.jp/articles/aw</span><span class=\"invisible\">s-cdk-lambda-python-supported-uv/</span></a></p><p><a href=\"https://rss-mstdn.studiofreesia.com/tags/dev_classmethod\" class=\"mention hashtag\" rel=\"tag\">#<span>dev_classmethod</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/AWS_CDK\" class=\"mention hashtag\" rel=\"tag\">#<span>AWS_CDK</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/uv\" class=\"mention hashtag\" rel=\"tag\">#<span>uv</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/Python\" class=\"mention hashtag\" rel=\"tag\">#<span>Python</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/AWS\" class=\"mention hashtag\" rel=\"tag\">#<span>AWS</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/dev_classmethod", "name": "#dev_classmethod" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/aws_cdk", "name": "#aws_cdk" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/uv", "name": "#uv" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/python", "name": "#python" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/aws", "name": "#aws" } ], "replies": { "id": "https://rss-mstdn.studiofreesia.com/users/dev_classmethod/statuses/114809509187520490/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://rss-mstdn.studiofreesia.com/users/dev_classmethod/statuses/114809509187520490/replies?only_other_accounts=true&page=true", "partOf": "https://rss-mstdn.studiofreesia.com/users/dev_classmethod/statuses/114809509187520490/replies", "items": [] } } }