Formats

Pattern

Agent Text Artifact

Template-style text artifact with data-textDelta streaming, ProseMirror Markdown editor, in-memory versions, and quick prompts — no database persistence.

IntermediateApr 2026View the full pattern on desktop
Agent Text Artifact preview

Problems solved

  • Stream Markdown document updates with data-textDelta UI parts
  • Edit artifact text in a ProseMirror Markdown editor
  • Keep document versions in memory without database persistence
  • Update the document from agent tools and quick prompts

Use cases

  • Long-form writing copilots
  • Chat-linked document editors
  • Markdown artifact prototypes
  • Vercel-style text artifact templates

AI SDK APIs

streamTextcreateUIMessageStreamgatewaytool

Tags

aimarkdownprosemirrorstreamingai-sdkartifacts

Requirements

Node.js
24+
Memory
256MB
Other
  • Vercel AI Gateway API key

Environment variables

External services

openaiupstash

Ready to use?

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