Add or change a team member

Add a member of the workspace to a team, or change their role in it: member (the default) or maintainer, who manages the team's people and settings.

PUT/workspaces/{workspace}/teams/{team}/members/{username}

Someone who is not a member of the workspace must join it first. Owners of the workspace and the team’s maintainers. People only. Returns the person as list_team_members lists them.

role is member (the default) or maintainer. 422 when they are not a member of the workspace: add them to it first. Owners of the workspace and the team’s maintainers (403 otherwise).

Authentication: Required. Send an access token as Authorization: Bearer.
MCP tool: team with action set_member, and the same inputs
Scope: An access token needs workspace:admin.

Path parameters

Name	Type	Required	Description
`workspace`	string	Yes	The workspace’s slug, e.g. “flagon-io”.
`team`	string	Yes	The team’s slug, as in its mention @workspace/slug, e.g. “backend”.
`username`	string	Yes	The person’s username.

Body parameters

Send a JSON object. Names are snake_case, as in responses; the camelCase spelling is accepted too.

Name	Type	Required	Description
`role`	string	No	member, or maintainer: also manages the team’s people and settings. Defaults to member. One of `member`, `maintainer`.

Example request

curl -X PUT https://api.g1t.sh/workspaces/flagon-io/teams/backend/members/ana \
  -H "Authorization: Bearer $G1T_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "role": "maintainer"
  }'

Example response

A successful request answers 200 with:

{
  "username": "ana",
  "display_username": "Ana",
  "name": "Ana Lima",
  "avatar": null,
  "role": "maintainer",
  "via": null
}

Errors

A failed request answers with one of these statuses and a body like {"error": {"code": "not_found", "message": "Repository not found."}}. See errors.

Status	Code	When
401	`unauthenticated`	A token is required, or the one sent is not valid.
403	`forbidden`	The token is valid but not allowed to do this, such as a member-only change or an agent token outside its repository.
404	`not_found`	It does not exist, or you cannot see it.
409	`conflict`	The request conflicts with the current state.
422	`invalid`	The input is not valid. `message` says which field and why.