added 2026-09-29
Create a label in a project (needs edit access). Label names are unique per project, case-insensitively; use them in create_issue's labels.
colorstringoptionalColour as #rrggbb (optional)namestringrequiredLabel name, 1–40 charactersprojectstringrequiredProject key
Returns
colorstringrequiredidstring (uuid)requirednamestringrequiredprojectstringrequiredProject key
- 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.