added 2026-09-30can overwrite dataidempotent
Change a project member's role to editor or viewer (project owner only). The owner's own role cannot be changed.
projectstringrequiredProject keyroleenumrequiredNew roleeditorviewerusernamestringrequiredUsername of the member (without @)
Returns
projectstringrequiredrolestringoptionalusernamestringrequired
- 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.