{"version":"2.1.221","anchor":"artifact-skill-prompt-now-states-a-page-size-limit","canonical_anchor":"artifact-skill-prompt-now-states-a-page-size-limit","heading":"Artifact skill prompt now states a page size limit","tier":"notice","area":"Artifacts","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.221\/e\/artifact-skill-prompt-now-states-a-page-size-limit","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.221","markdown":"### Artifact skill prompt now states a page size limit\n\nClaude now knows artifacts have a hard page size limit, including embedded data URIs, so it builds smaller pages.\n\n**What**\n\nThe artifact authoring guidance tells the model there is a hard byte ceiling on the rendered page.\n\n**Details**\n\n- A new **Size** bullet renders the limit from a constant into MB.\n- The guidance states that embedded data: URIs count toward the limit.\n\n**Evidence**\n\n`**Size**: The rendered page must be `\n\n- Area: Artifacts\n- Tier: You'll notice\n- Useful: 2\/5\n- Signal: 0\/5"}