Label Studio · Capability
API Reference — subpackage_projects.subpackage_projects/assignments
API Reference — subpackage_projects.subpackage_projects/assignments. 5 operations. Lead operation: ✨ Bulk assign users to tasks. Self-contained Naftiko capability covering one Label Studio business surface.
What You Can Do
POST
Bulkassign
— ✨ Bulk assign users to tasks
/v1/api/projects/{id}/tasks/assignees
GET
List
— ✨ Get assigned tasks and assignees
/v1/api/projects/{id}/tasks/{task-pk}/assignees
POST
Assign
— ✨ Create task assignee
/v1/api/projects/{id}/tasks/{task-pk}/assignees
DELETE
Delete
— ✨ Delete task assignments
/v1/api/projects/{id}/tasks/{task-pk}/assignees
PATCH
Update
— ✨ Update task assignee
/v1/api/projects/{id}/tasks/{task-pk}/assignees
MCP Tools
bulk-assign-users-tasks
✨ Bulk assign users to tasks
get-assigned-tasks-and-assignees
✨ Get assigned tasks and assignees
read-only
idempotent
create-task-assignee
✨ Create task assignee
delete-task-assignments
✨ Delete task assignments
idempotent
update-task-assignee
✨ Update task assignee
idempotent
Capability Spec
naftiko: 1.0.0-alpha2
info:
label: API Reference — subpackage_projects.subpackage_projects/assignments
description: 'API Reference — subpackage_projects.subpackage_projects/assignments. 5 operations. Lead operation: ✨ Bulk
assign users to tasks. Self-contained Naftiko capability covering one Label Studio business surface.'
tags:
- Label Studio
- subpackage_projects.subpackage_projects/assignments
created: '2026-05-19'
modified: '2026-05-19'
binds:
- namespace: env
keys:
LABEL_STUDIO_API_KEY: LABEL_STUDIO_API_KEY
capability:
consumes:
- type: http
namespace: label-studio-subpackage-projects-subpackage-projects-assignments
baseUri: http://localhost:8000
description: API Reference — subpackage_projects.subpackage_projects/assignments business capability. Self-contained,
no shared references.
resources:
- name: api-projects-id-tasks-assignees
path: /api/projects/{id}/tasks/assignees
operations:
- name: bulkassign
method: POST
description: ✨ Bulk assign users to tasks
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: id
in: path
type: integer
required: true
- name: Authorization
in: header
type: string
description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
Account page in Label Studio. Example: <br><pre><code class='
required: true
- name: body
in: body
type: object
description: Request body (JSON).
required: false
- name: api-projects-id-tasks-task_pk-assignees
path: /api/projects/{id}/tasks/{task_pk}/assignees
operations:
- name: list
method: GET
description: ✨ Get assigned tasks and assignees
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: id
in: path
type: integer
description: A unique integer value identifying this project.
required: true
- name: task_pk
in: path
type: integer
description: A unique integer value identifying this task.
required: true
- name: Authorization
in: header
type: string
description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
Account page in Label Studio. Example: <br><pre><code class='
required: true
- name: assign
method: POST
description: ✨ Create task assignee
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: id
in: path
type: integer
description: A unique integer value identifying this project.
required: true
- name: task_pk
in: path
type: integer
description: A unique integer value identifying this task.
required: true
- name: Authorization
in: header
type: string
description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
Account page in Label Studio. Example: <br><pre><code class='
required: true
- name: body
in: body
type: object
description: Request body (JSON).
required: false
- name: delete
method: DELETE
description: ✨ Delete task assignments
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: id
in: path
type: integer
description: A unique integer value identifying this project.
required: true
- name: task_pk
in: path
type: integer
description: A unique integer value identifying this task.
required: true
- name: type
in: query
type: string
description: Assignment type to delete (optional). If omitted, deletes all assignments for the task.
- name: users
in: query
type: string
description: Comma separated list of user IDs to delete, as a string. If omitted, deletes all assignees for the
given type.
- name: Authorization
in: header
type: string
description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
Account page in Label Studio. Example: <br><pre><code class='
required: true
- name: update
method: PATCH
description: ✨ Update task assignee
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: id
in: path
type: integer
description: A unique integer value identifying this project.
required: true
- name: task_pk
in: path
type: integer
description: A unique integer value identifying this task.
required: true
- name: Authorization
in: header
type: string
description: 'The token (or API key) must be passed as a request header. You can find your user token on the User
Account page in Label Studio. Example: <br><pre><code class='
required: true
- name: body
in: body
type: object
description: Request body (JSON).
required: false
authentication:
type: apikey
key: Authorization
value: '{{env.LABEL_STUDIO_API_KEY}}'
placement: header
exposes:
- type: rest
namespace: label-studio-subpackage-projects-subpackage-projects-assignments-rest
port: 8080
description: REST adapter for API Reference — subpackage_projects.subpackage_projects/assignments. One Spectral-compliant
resource per consumed operation, prefixed with /v1.
resources:
- path: /v1/api/projects/{id}/tasks/assignees
name: api-projects-id-tasks-assignees
description: REST surface for api-projects-id-tasks-assignees.
operations:
- method: POST
name: bulkassign
description: ✨ Bulk assign users to tasks
call: label-studio-subpackage-projects-subpackage-projects-assignments.bulkassign
with:
id: rest.id
Authorization: rest.Authorization
body: rest.body
outputParameters:
- type: object
mapping: $.
- path: /v1/api/projects/{id}/tasks/{task-pk}/assignees
name: api-projects-id-tasks-task-pk-assignees
description: REST surface for api-projects-id-tasks-task_pk-assignees.
operations:
- method: GET
name: list
description: ✨ Get assigned tasks and assignees
call: label-studio-subpackage-projects-subpackage-projects-assignments.list
with:
id: rest.id
task_pk: rest.task_pk
Authorization: rest.Authorization
outputParameters:
- type: object
mapping: $.
- method: POST
name: assign
description: ✨ Create task assignee
call: label-studio-subpackage-projects-subpackage-projects-assignments.assign
with:
id: rest.id
task_pk: rest.task_pk
Authorization: rest.Authorization
body: rest.body
outputParameters:
- type: object
mapping: $.
- method: DELETE
name: delete
description: ✨ Delete task assignments
call: label-studio-subpackage-projects-subpackage-projects-assignments.delete
with:
id: rest.id
task_pk: rest.task_pk
type: rest.type
users: rest.users
Authorization: rest.Authorization
outputParameters:
- type: object
mapping: $.
- method: PATCH
name: update
description: ✨ Update task assignee
call: label-studio-subpackage-projects-subpackage-projects-assignments.update
with:
id: rest.id
task_pk: rest.task_pk
Authorization: rest.Authorization
body: rest.body
outputParameters:
- type: object
mapping: $.
- type: mcp
namespace: label-studio-subpackage-projects-subpackage-projects-assignments-mcp
port: 9090
transport: http
description: MCP adapter for API Reference — subpackage_projects.subpackage_projects/assignments. One tool per consumed
operation, routed inline through this capability's consumes block.
tools:
- name: bulk-assign-users-tasks
description: ✨ Bulk assign users to tasks
hints:
readOnly: false
destructive: false
idempotent: false
call: label-studio-subpackage-projects-subpackage-projects-assignments.bulkassign
with:
id: tools.id
Authorization: tools.Authorization
body: tools.body
outputParameters:
- type: object
mapping: $.
- name: get-assigned-tasks-and-assignees
description: ✨ Get assigned tasks and assignees
hints:
readOnly: true
destructive: false
idempotent: true
call: label-studio-subpackage-projects-subpackage-projects-assignments.list
with:
id: tools.id
task_pk: tools.task_pk
Authorization: tools.Authorization
outputParameters:
- type: object
mapping: $.
- name: create-task-assignee
description: ✨ Create task assignee
hints:
readOnly: false
destructive: false
idempotent: false
call: label-studio-subpackage-projects-subpackage-projects-assignments.assign
with:
id: tools.id
task_pk: tools.task_pk
Authorization: tools.Authorization
body: tools.body
outputParameters:
- type: object
mapping: $.
- name: delete-task-assignments
description: ✨ Delete task assignments
hints:
readOnly: false
destructive: true
idempotent: true
call: label-studio-subpackage-projects-subpackage-projects-assignments.delete
with:
id: tools.id
task_pk: tools.task_pk
type: tools.type
users: tools.users
Authorization: tools.Authorization
outputParameters:
- type: object
mapping: $.
- name: update-task-assignee
description: ✨ Update task assignee
hints:
readOnly: false
destructive: false
idempotent: true
call: label-studio-subpackage-projects-subpackage-projects-assignments.update
with:
id: tools.id
task_pk: tools.task_pk
Authorization: tools.Authorization
body: tools.body
outputParameters:
- type: object
mapping: $.