Return artifact source from show-artifact - #1943
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…t render MCP Apps can edit from the tool result.
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September 4, 2026 06:07
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Summary
when an agent calls
show-artifactfrom a client without MCP Apps support, the result only includes a save confirmation and deep link. the model cannot read the current component source needed foredit-artifact.this change returns the current source in both the text and structured MCP result channels for
show-artifact, while create/edit success stays a save confirmation. it also updates the tool description and covers the Apps, fallback URL, and no-web-UI delivery paths.Linked issue
Fixes #1941
Verification
Artifacts · create-artifact hands a non-Apps client a deep link that renders the live component— recordingChecklist
bun run changeset), or this change needs none.