added 2026-09-30can overwrite data
Delete a label from a project and remove it from every issue that carries it. Needs edit access to the project. Cannot be undone.
namestringrequiredLabel name (case-insensitive)projectstringrequiredProject key
Returns
colorstringoptional#rrggbb (update_label)namestringrequiredAfter the update; delete_label: the deleted nameprojectstringrequired
- 2026-10-03 — Also answers structuredContent (see outputSchema); a failed call adds structuredContent.error. Text unchanged. Details: /docs/mcp, "Structured results and errors".
- 2026-10-04 — Claude Code 2.1.288+ (clientInfo claude-code): the text of a successful answer is itself up to 512 bytes, else "Result in structuredContent (N bytes)."; structuredContent and errors are unchanged. See /docs/mcp.