{"version":"2.1.233","anchor":"watch-artifact-flag-to-follow-a-claude-ai-artifact-from-a-se","canonical_anchor":"watch-artifact-flag-to-follow-a-claude-ai-artifact-from-a-se","heading":"--watch-artifact flag to follow a claude.ai artifact from a session","tier":"soon","area":"Artifacts","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.233\/e\/watch-artifact-flag-to-follow-a-claude-ai-artifact-from-a-se","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.233","markdown":"### `--watch-artifact` flag to follow a claude.ai artifact from a session\n\nA new --watch-artifact flag follows a claude.ai artifact for new versions and comments, but needs account access.\n\n**What**\n\nA new startup flag takes a claude.ai artifact id or URL and watches it for new versions and comments during the session, telling Claude which artifact is the current one of interest. It needs the `tengu_slate_lantern` gate (fallback off); without it you get \"Artifact watching is not available for this account yet.\"\n\n**Details**\n\n- A hidden `--watch-artifact-no-autoreact` variant arms the watch without automatic comment replies.\n- Both flags are hidden from `claude --help`, though they parse on every build, and both were added to the lists of flags that take a value and get forwarded.\n- Rejected in non-interactive and print sessions, and in sessions attached to a remote environment; the id is validated against the signed-in environment.\n- Arming prints a feedback line built around \"Watching artifact\".\n\n**Usage**\n\n`claude --watch-artifact https:\/\/claude.ai\/public\/artifacts\/<id>` **Evidence** `Watch a Claude artifact (id or URL) in this session and hear about new versions and comments`\n\n- Flag `tengu_slate_lantern`: Off by default, switched on for this account (read for one account on one subscription tier against v2.1.233; this account: on, anonymous baseline: on, compiled default: off) These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.\n- Area: Artifacts\n- Names: `--watch-artifact`, `--watch-artifact-no-autoreact`\n- Tier: Nothing to try yet\n- Useful: 3\/5\n- Signal: 5\/5\n- Present in the build but not switched on"}