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Mentions

Mentions are discussed in this section of ActivityStreams.

The big difference on if mentions are parsed are currently a result of if the value in href can be resolved by the application being tested.

In the support table parsed means that the activity could be parsed, but the mention was discarded. A ❌ in the support table means that the entire message has failed to parse.

Examples

Example 1

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://gotosocial/users/cookie",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/NHJIfrmGKIA",
  "published": "2025-08-15T10:09:02Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://gotosocial/users/cookie"
    ],
    "id": "http://pasture-one-actor/object/jEGF5p_QZyw",
    "published": "2025-08-15T10:09:02Z",
    "content": "basic mention; mention as list of dictionaries",
    "tag": [
      {
        "type": "Mention",
        "name": "@actor@test_server",
        "href": "http://pasture-one-actor/actor"
      },
      {
        "type": "Mention",
        "href": "http://gotosocial/users/cookie"
      }
    ]
  }
}
gotosocial
{
  "id": "01K2PK8JHGZGP20EP4J4TRZA2V",
  "created_at": "2025-08-15T10:09:02.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/object/jEGF5p_QZyw",
  "url": "http://pasture-one-actor/object/jEGF5p_QZyw",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "basic mention; mention as list of dictionaries",
  "reblog": null,
  "account": {
    "id": "01K2PK570GR1SPGEKVD44YKHSF",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": true,
    "discoverable": false,
    "bot": false,
    "created_at": "2025-08-15T10:07:11.900Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "avatar_static": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "header": "http://gotosocial/assets/default_header.png",
    "header_static": "http://gotosocial/assets/default_header.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 70,
    "last_status_at": "2025-08-15T10:09:02.000Z",
    "emojis": [],
    "fields": []
  },
  "media_attachments": [],
  "mentions": [
    {
      "id": "01K2PK570GR1SPGEKVD44YKHSF",
      "username": "actor",
      "url": "http://pasture-one-actor/actor",
      "acct": "actor@pasture-one-actor"
    },
    {
      "id": "01XMTC72S3W0BJ27XEVBSF1W9Z",
      "username": "cookie",
      "url": "http://gotosocial/@cookie",
      "acct": "cookie"
    }
  ],
  "tags": [],
  "emojis": [],
  "card": null,
  "poll": null
}

Example 2

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://gotosocial/users/cookie",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/rYSpdZJfuuw",
  "published": "2025-08-15T10:09:03Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://gotosocial/users/cookie"
    ],
    "id": "http://pasture-one-actor/object/LeEjTuSMd4s",
    "published": "2025-08-15T10:09:03Z",
    "content": "text @actor@pasture-one-actor; mention as dictionary",
    "tag": [
      {
        "type": "Mention",
        "name": "@actor@test_server",
        "href": "http://pasture-one-actor/actor"
      },
      {
        "type": "Mention",
        "href": "http://gotosocial/users/cookie"
      }
    ]
  }
}
gotosocial
{
  "id": "01K2PK8KGRER90J9T340BPCNDS",
  "created_at": "2025-08-15T10:09:03.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/object/LeEjTuSMd4s",
  "url": "http://pasture-one-actor/object/LeEjTuSMd4s",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "text @actor@pasture-one-actor; mention as dictionary",
  "reblog": null,
  "account": {
    "id": "01K2PK570GR1SPGEKVD44YKHSF",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": true,
    "discoverable": false,
    "bot": false,
    "created_at": "2025-08-15T10:07:11.900Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "avatar_static": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "header": "http://gotosocial/assets/default_header.png",
    "header_static": "http://gotosocial/assets/default_header.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 71,
    "last_status_at": "2025-08-15T10:09:03.000Z",
    "emojis": [],
    "fields": []
  },
  "media_attachments": [],
  "mentions": [
    {
      "id": "01K2PK570GR1SPGEKVD44YKHSF",
      "username": "actor",
      "url": "http://pasture-one-actor/actor",
      "acct": "actor@pasture-one-actor"
    },
    {
      "id": "01XMTC72S3W0BJ27XEVBSF1W9Z",
      "username": "cookie",
      "url": "http://gotosocial/@cookie",
      "acct": "cookie"
    }
  ],
  "tags": [],
  "emojis": [],
  "card": null,
  "poll": null
}

Example 3

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://gotosocial/users/cookie",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/S2cKy_s1mZ8",
  "published": "2025-08-15T10:09:03Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://gotosocial/users/cookie"
    ],
    "id": "http://pasture-one-actor/object/P8V1TXsCXNM",
    "published": "2025-08-15T10:09:03Z",
    "content": "unrelated text",
    "tag": [
      {
        "type": "Mention",
        "name": "something something",
        "href": "http://pasture-one-actor/actor"
      },
      {
        "type": "Mention",
        "href": "http://gotosocial/users/cookie"
      }
    ]
  }
}
gotosocial
{
  "id": "01K2PK8KGRWW2BW58XP8R136X5",
  "created_at": "2025-08-15T10:09:03.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/object/P8V1TXsCXNM",
  "url": "http://pasture-one-actor/object/P8V1TXsCXNM",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "unrelated text",
  "reblog": null,
  "account": {
    "id": "01K2PK570GR1SPGEKVD44YKHSF",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": true,
    "discoverable": false,
    "bot": false,
    "created_at": "2025-08-15T10:07:11.900Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "avatar_static": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "header": "http://gotosocial/assets/default_header.png",
    "header_static": "http://gotosocial/assets/default_header.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 72,
    "last_status_at": "2025-08-15T10:09:03.000Z",
    "emojis": [],
    "fields": []
  },
  "media_attachments": [],
  "mentions": [
    {
      "id": "01K2PK570GR1SPGEKVD44YKHSF",
      "username": "actor",
      "url": "http://pasture-one-actor/actor",
      "acct": "actor@pasture-one-actor"
    },
    {
      "id": "01XMTC72S3W0BJ27XEVBSF1W9Z",
      "username": "cookie",
      "url": "http://gotosocial/@cookie",
      "acct": "cookie"
    }
  ],
  "tags": [],
  "emojis": [],
  "card": null,
  "poll": null
}

Example 4

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://gotosocial/users/cookie",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/SUVJdQr0q5I",
  "published": "2025-08-15T10:09:04Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://gotosocial/users/cookie"
    ],
    "id": "http://pasture-one-actor/object/DhMmMrj0imw",
    "published": "2025-08-15T10:09:04Z",
    "content": "Missing Name @actor@pasture-one-actor",
    "tag": [
      {
        "type": "Mention",
        "href": "http://pasture-one-actor/actor"
      },
      {
        "type": "Mention",
        "href": "http://gotosocial/users/cookie"
      }
    ]
  }
}
gotosocial
{
  "id": "01K2PK8MG0BWAAF2689TRBHC9Z",
  "created_at": "2025-08-15T10:09:04.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/object/DhMmMrj0imw",
  "url": "http://pasture-one-actor/object/DhMmMrj0imw",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "Missing Name @actor@pasture-one-actor",
  "reblog": null,
  "account": {
    "id": "01K2PK570GR1SPGEKVD44YKHSF",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": true,
    "discoverable": false,
    "bot": false,
    "created_at": "2025-08-15T10:07:11.900Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "avatar_static": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "header": "http://gotosocial/assets/default_header.png",
    "header_static": "http://gotosocial/assets/default_header.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 73,
    "last_status_at": "2025-08-15T10:09:04.000Z",
    "emojis": [],
    "fields": []
  },
  "media_attachments": [],
  "mentions": [
    {
      "id": "01K2PK570GR1SPGEKVD44YKHSF",
      "username": "actor",
      "url": "http://pasture-one-actor/actor",
      "acct": "actor@pasture-one-actor"
    },
    {
      "id": "01XMTC72S3W0BJ27XEVBSF1W9Z",
      "username": "cookie",
      "url": "http://gotosocial/@cookie",
      "acct": "cookie"
    }
  ],
  "tags": [],
  "emojis": [],
  "card": null,
  "poll": null
}

Example 5

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://gotosocial/users/cookie",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/uMaomRIHUdU",
  "published": "2025-08-15T10:09:05Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://gotosocial/users/cookie"
    ],
    "id": "http://pasture-one-actor/object/V8K7O_FVjgA",
    "published": "2025-08-15T10:09:05Z",
    "content": "text",
    "tag": [
      {
        "type": "Mention",
        "name": "@the_milkman@mastodon.social",
        "href": "https://mastodon.social/users/the_milkman"
      },
      {
        "type": "Mention",
        "href": "http://gotosocial/users/cookie"
      }
    ]
  }
}
gotosocial
{
  "id": "01K2PK8NF8ZSW4PSZ5CHEVRW9D",
  "created_at": "2025-08-15T10:09:05.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/object/V8K7O_FVjgA",
  "url": "http://pasture-one-actor/object/V8K7O_FVjgA",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "text",
  "reblog": null,
  "account": {
    "id": "01K2PK570GR1SPGEKVD44YKHSF",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": true,
    "discoverable": false,
    "bot": false,
    "created_at": "2025-08-15T10:07:11.900Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "avatar_static": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "header": "http://gotosocial/assets/default_header.png",
    "header_static": "http://gotosocial/assets/default_header.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 74,
    "last_status_at": "2025-08-15T10:09:05.000Z",
    "emojis": [],
    "fields": []
  },
  "media_attachments": [],
  "mentions": [
    {
      "id": "01K2PK8NND3JQQVFP0WT51P5Q3",
      "username": "the_milkman",
      "url": "https://mastodon.social/@the_milkman",
      "acct": "the_milkman@mastodon.social"
    },
    {
      "id": "01XMTC72S3W0BJ27XEVBSF1W9Z",
      "username": "cookie",
      "url": "http://gotosocial/@cookie",
      "acct": "cookie"
    }
  ],
  "tags": [],
  "emojis": [],
  "card": null,
  "poll": null
}

Example 6

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://gotosocial/users/cookie",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/v0MGhIQY0Zk",
  "published": "2025-08-15T10:09:05Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://gotosocial/users/cookie"
    ],
    "id": "http://pasture-one-actor/object/O-Nac-Mr-KA",
    "published": "2025-08-15T10:09:05Z",
    "content": "text",
    "tag": [
      {
        "type": "Mention",
        "name": "@dummy@example",
        "href": "https://dummy.example"
      },
      {
        "type": "Mention",
        "href": "http://gotosocial/users/cookie"
      }
    ]
  }
}
gotosocial
{
  "id": "01K2PK8NF80FJRXREXFMEV5KRJ",
  "created_at": "2025-08-15T10:09:05.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/object/O-Nac-Mr-KA",
  "url": "http://pasture-one-actor/object/O-Nac-Mr-KA",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "text",
  "reblog": null,
  "account": {
    "id": "01K2PK570GR1SPGEKVD44YKHSF",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": true,
    "discoverable": false,
    "bot": false,
    "created_at": "2025-08-15T10:07:11.900Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "avatar_static": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "header": "http://gotosocial/assets/default_header.png",
    "header_static": "http://gotosocial/assets/default_header.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 75,
    "last_status_at": "2025-08-15T10:09:05.000Z",
    "emojis": [],
    "fields": []
  },
  "media_attachments": [],
  "mentions": [
    {
      "id": "01XMTC72S3W0BJ27XEVBSF1W9Z",
      "username": "cookie",
      "url": "http://gotosocial/@cookie",
      "acct": "cookie"
    }
  ],
  "tags": [],
  "emojis": [],
  "card": null,
  "poll": null
}

Example 7

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://gotosocial/users/cookie",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/riLJJdVKGlY",
  "published": "2025-08-15T10:09:06Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://gotosocial/users/cookie"
    ],
    "id": "http://pasture-one-actor/object/QzWvQOZyrRY",
    "published": "2025-08-15T10:09:06Z",
    "content": "text",
    "tag": [
      {
        "type": "Mention",
        "name": "@test_actor@test_server",
        "href": "http://test_actor"
      },
      {
        "type": "Mention",
        "href": "http://gotosocial/users/cookie"
      }
    ]
  }
}

no result

Example 8

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://gotosocial/users/cookie",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/BoFuGvWkrhc",
  "published": "2025-08-15T10:09:17Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://gotosocial/users/cookie"
    ],
    "id": "http://pasture-one-actor/object/wwCjvxxs6n0",
    "published": "2025-08-15T10:09:17Z",
    "content": "text",
    "tag": [
      {
        "type": "as:Mention",
        "name": "yay",
        "href": "http://pasture-one-actor/actor"
      },
      {
        "type": "Mention",
        "href": "http://gotosocial/users/cookie"
      }
    ]
  }
}
gotosocial
{
  "id": "01K2PK91683ANCKB788VBJ118N",
  "created_at": "2025-08-15T10:09:17.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/object/wwCjvxxs6n0",
  "url": "http://pasture-one-actor/object/wwCjvxxs6n0",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "text",
  "reblog": null,
  "account": {
    "id": "01K2PK570GR1SPGEKVD44YKHSF",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": true,
    "discoverable": false,
    "bot": false,
    "created_at": "2025-08-15T10:07:11.900Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "avatar_static": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "header": "http://gotosocial/assets/default_header.png",
    "header_static": "http://gotosocial/assets/default_header.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 76,
    "last_status_at": "2025-08-15T10:09:17.000Z",
    "emojis": [],
    "fields": []
  },
  "media_attachments": [],
  "mentions": [
    {
      "id": "01XMTC72S3W0BJ27XEVBSF1W9Z",
      "username": "cookie",
      "url": "http://gotosocial/@cookie",
      "acct": "cookie"
    }
  ],
  "tags": [],
  "emojis": [],
  "card": null,
  "poll": null
}

Example 9

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://gotosocial/users/cookie",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/gxTEQMonRj0",
  "published": "2025-08-15T10:09:18Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://gotosocial/users/cookie"
    ],
    "id": "http://pasture-one-actor/object/Ry2vnVbgzsk",
    "published": "2025-08-15T10:09:18Z",
    "content": "@actor text",
    "tag": [
      {
        "name": "@actor",
        "href": "http://pasture-one-actor/actor"
      },
      {
        "type": "Mention",
        "href": "http://gotosocial/users/cookie"
      }
    ]
  }
}
gotosocial
{
  "id": "01K2PK925GBYPHQMD8CMPQ3T9R",
  "created_at": "2025-08-15T10:09:18.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/object/Ry2vnVbgzsk",
  "url": "http://pasture-one-actor/object/Ry2vnVbgzsk",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "@actor text",
  "reblog": null,
  "account": {
    "id": "01K2PK570GR1SPGEKVD44YKHSF",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": true,
    "discoverable": false,
    "bot": false,
    "created_at": "2025-08-15T10:07:11.900Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "avatar_static": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "header": "http://gotosocial/assets/default_header.png",
    "header_static": "http://gotosocial/assets/default_header.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 77,
    "last_status_at": "2025-08-15T10:09:18.000Z",
    "emojis": [],
    "fields": []
  },
  "media_attachments": [],
  "mentions": [
    {
      "id": "01XMTC72S3W0BJ27XEVBSF1W9Z",
      "username": "cookie",
      "url": "http://gotosocial/@cookie",
      "acct": "cookie"
    }
  ],
  "tags": [],
  "emojis": [],
  "card": null,
  "poll": null
}

Example 10

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://gotosocial/users/cookie",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/dKsfeHAXAGs",
  "published": "2025-08-15T10:09:19Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://gotosocial/users/cookie"
    ],
    "id": "http://pasture-one-actor/object/HK4HAoNW85k",
    "published": "2025-08-15T10:09:19Z",
    "content": "duplicate mention, see https://codeberg.org/funfedidev/fediverse-pasture-inputs/issues/75",
    "tag": [
      {
        "type": "Mention",
        "name": "@actor@test_server",
        "href": "http://pasture-one-actor/actor"
      },
      {
        "type": "Mention",
        "name": "@actor@test_server",
        "href": "http://pasture-one-actor/actor"
      },
      {
        "type": "Mention",
        "href": "http://gotosocial/users/cookie"
      }
    ]
  }
}
gotosocial
{
  "id": "01K2PK934RBTGY8CX6C0PBY9E2",
  "created_at": "2025-08-15T10:09:19.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/object/HK4HAoNW85k",
  "url": "http://pasture-one-actor/object/HK4HAoNW85k",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "pinned": false,
  "content": "duplicate mention, see https://codeberg.org/funfedidev/fediverse-pasture-inputs/issues/75",
  "reblog": null,
  "account": {
    "id": "01K2PK570GR1SPGEKVD44YKHSF",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": true,
    "discoverable": false,
    "bot": false,
    "created_at": "2025-08-15T10:07:11.900Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "avatar": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "avatar_static": "http://gotosocial/assets/default_avatars/GoToSocial_icon1.png",
    "header": "http://gotosocial/assets/default_header.png",
    "header_static": "http://gotosocial/assets/default_header.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 78,
    "last_status_at": "2025-08-15T10:09:19.000Z",
    "emojis": [],
    "fields": []
  },
  "media_attachments": [],
  "mentions": [
    {
      "id": "01K2PK570GR1SPGEKVD44YKHSF",
      "username": "actor",
      "url": "http://pasture-one-actor/actor",
      "acct": "actor@pasture-one-actor"
    },
    {
      "id": "01XMTC72S3W0BJ27XEVBSF1W9Z",
      "username": "cookie",
      "url": "http://gotosocial/@cookie",
      "acct": "cookie"
    }
  ],
  "tags": [],
  "emojis": [],
  "card": null,
  "poll": null
}