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PATCH
Update an attribute
Requires Objects enabled and a verified administrator. Reads require object_types:read; writes require object_types:write. Accepts name, slug, description, and options. Omitted fields stay unchanged; description: null clears the description. Each option may name an existing id to update, or supply slug and name to add one. Options also accept position and archived. Field type and reference target are immutable. Existing saved values remain associated with the attribute when its slug changes. Use the Idempotency-Key header for an identical write retry. Through MCP, use idempotency_key in the tool arguments.

Agent proposals

Attribute request tools create unapplied Changesets using object_types:read and object_types:request. A permitted person reviews and applies them. Create the object type before proposing its attributes, then create records after their fields exist.

Returns

Returns the affected attribute id.