> ## Documentation Index
> Fetch the complete documentation index at: https://docs.omnara.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Update skill by uploading a new revision

> Creates the skill's next revision from either a replacement archive or replacement SKILL.md content (which keeps every other file from the current revision). The SKILL.md frontmatter `name` must match the skill's existing name.



## OpenAPI

````yaml /api-reference/openapi.yaml post /orgs/{orgID}/skills/{skillID}
openapi: 3.1.2
info:
  title: Omnara API
  version: 0.1.0
  description: Public HTTP API contract for Omnara.
servers:
  - url: https://api.omnara.com/v1
    description: Hosted Omnara
  - url: /api/v1
    description: Self-hosted Omnara, relative to the deployment origin
security:
  - bearerAuth: []
  - browserSessionCookie: []
tags:
  - name: Agents
    description: >-
      Launch agents, send inputs, manage the input backlog, and work with tool
      calls.
    externalDocs:
      description: Guide
      url: https://docs.omnara.com/agents/overview
  - name: Interactions
    description: List and resolve the approvals and questions that pause an agent.
    externalDocs:
      description: Guide
      url: https://docs.omnara.com/events/interactions
  - name: Actors
    description: Attribute agent inputs and interaction responses to external users.
    externalDocs:
      description: Guide
      url: >-
        https://docs.omnara.com/events/sending-input#who-said-that-actors-and-attribution
  - name: Events
    description: Read or stream the agent timeline, list turns, and download artifacts.
    externalDocs:
      description: Guide
      url: https://docs.omnara.com/events/streaming
  - name: Configs and Profiles
    description: >-
      Create agent configs, manage reusable launch profiles, and set up
      integrations.
    externalDocs:
      description: Guide
      url: https://docs.omnara.com/agents/configuration
  - name: Models
    description: Configure model providers and models, and grant projects access to them.
    externalDocs:
      description: Guide
      url: https://docs.omnara.com/organization/model-providers
  - name: Machines
    description: Register machines, control project access, and manage daemon tokens.
    externalDocs:
      description: Guide
      url: https://docs.omnara.com/machines/connect
  - name: Machine Pools
    description: Define machine pools and grant projects access to them.
    externalDocs:
      description: Guide
      url: https://docs.omnara.com/machines/pools
  - name: Secrets
    description: >-
      Manage secret ownership and versions, and inspect or grant project
      availability.
    externalDocs:
      description: Guide
      url: https://docs.omnara.com/organization/secrets
  - name: Skills
    description: Manage versioned skill ownership and load skill instructions on demand.
    externalDocs:
      description: Guide
      url: https://docs.omnara.com/tools/skills
  - name: Organizations and Projects
    description: Create organizations and projects and manage membership.
    externalDocs:
      description: Guide
      url: https://docs.omnara.com/organization/members
  - name: Users and API Keys
    description: >-
      The authenticated user, personal and organization API keys, and
      invitations.
    externalDocs:
      description: Guide
      url: https://docs.omnara.com/api/authentication
  - name: Machine Daemon
    description: Routes the Omnara machine daemon uses to connect a machine.
paths:
  /orgs/{orgID}/skills/{skillID}:
    parameters:
      - name: orgID
        in: path
        required: true
        schema:
          type: string
          pattern: ^org_[a-z2-7]{26}$
      - name: skillID
        in: path
        required: true
        schema:
          type: string
          pattern: ^skl_[a-z2-7]{26}$
    post:
      tags:
        - Skills
      summary: Update skill by uploading a new revision
      description: >-
        Creates the skill's next revision from either a replacement archive or
        replacement SKILL.md content (which keeps every other file from the
        current revision). The SKILL.md frontmatter `name` must match the
        skill's existing name.
      operationId: updateSkill
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              $ref: '#/components/schemas/UpdateSkillRequest'
      responses:
        '200':
          description: Skill updated with a new revision.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Skill'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
        '409':
          $ref: '#/components/responses/Conflict'
        '413':
          description: The uploaded skill archive is too large.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          $ref: '#/components/responses/InternalServerError'
        '503':
          $ref: '#/components/responses/ServiceUnavailable'
        4XX:
          $ref: '#/components/responses/ClientError'
        5XX:
          $ref: '#/components/responses/ServerError'
      security:
        - bearerAuth: []
        - browserSessionCookie: []
          csrfHeader: []
components:
  schemas:
    UpdateSkillRequest:
      type: object
      properties:
        archive:
          type: string
          format: binary
        skill_md:
          type: string
          description: >-
            Replacement SKILL.md content. Every other file in the current
            revision's archive is preserved unchanged.
      oneOf:
        - type: object
          additionalProperties: false
          required:
            - archive
          properties:
            archive:
              type: string
              format: binary
        - type: object
          additionalProperties: false
          required:
            - skill_md
          properties:
            skill_md:
              type: string
    Skill:
      type: object
      additionalProperties: false
      required:
        - id
        - org_id
        - owner
        - name
        - revision_id
        - revision
        - description
        - created_at
        - updated_at
      properties:
        id:
          $ref: '#/components/schemas/SkillID'
        org_id:
          $ref: '#/components/schemas/OrganizationID'
        owner:
          $ref: '#/components/schemas/SkillOwner'
        name:
          $ref: '#/components/schemas/SkillName'
        revision_id:
          $ref: '#/components/schemas/SkillRevisionID'
        revision:
          type: integer
          format: int32
          minimum: 1
          description: Latest revision number of the skill.
        description:
          type: string
        skill_md:
          type: string
        files:
          type: array
          description: >-
            Files in the skill archive, including SKILL.md, with paths relative
            to the skill's top-level directory. Returned when fetching a single
            skill; omitted from list responses.
          items:
            $ref: '#/components/schemas/SkillFile'
        created_at:
          $ref: '#/components/schemas/Timestamp'
        updated_at:
          $ref: '#/components/schemas/Timestamp'
    Error:
      type: object
      additionalProperties: false
      required:
        - error
        - code
      properties:
        error:
          type: string
          description: Human-readable error message. Do not match on it programmatically.
        issues:
          type: array
          description: >-
            Field-level problems when a submitted document (such as an agent
            config source) failed validation. Absent for errors that are not
            about a specific field.
          items:
            $ref: '#/components/schemas/AgentConfigErrorIssue'
        code:
          type: string
          description: Stable error code for programmatic handling.
          enum:
            - invalid_request
            - unauthorized
            - forbidden
            - not_found
            - conflict
            - gone
            - request_too_large
            - unsupported_media_type
            - unprocessable
            - rate_limited
            - internal_error
            - upstream_error
            - service_unavailable
            - idempotency_key_conflict
            - state_transition_conflict
            - managed_work_admission_denied
            - pending_work
            - not_wake_capable
            - daemon_runtime_unregistered
            - validation_failed
            - csrf_check_failed
            - authentication_unavailable
    SkillID:
      type: string
      pattern: ^skl_[a-z2-7]{26}$
    OrganizationID:
      type: string
      pattern: ^org_[a-z2-7]{26}$
    SkillOwner:
      oneOf:
        - $ref: '#/components/schemas/OrgSkillOwner'
        - $ref: '#/components/schemas/ProjectSkillOwner'
        - $ref: '#/components/schemas/UserSkillOwner'
      discriminator:
        propertyName: kind
        mapping:
          org:
            $ref: '#/components/schemas/OrgSkillOwner'
          project:
            $ref: '#/components/schemas/ProjectSkillOwner'
          user:
            $ref: '#/components/schemas/UserSkillOwner'
    SkillName:
      type: string
      minLength: 1
      maxLength: 64
      pattern: ^[a-z0-9]+(?:-[a-z0-9]+)*$
      description: >-
        Machine-readable skill identifier consisting of lowercase ASCII segments
        separated by single hyphens.
    SkillRevisionID:
      type: string
      pattern: ^skr_[a-z2-7]{26}$
    SkillFile:
      type: object
      additionalProperties: false
      required:
        - path
        - size
      properties:
        path:
          type: string
        size:
          type: integer
          format: int64
          minimum: 0
    Timestamp:
      type: string
      format: date-time
    AgentConfigErrorIssue:
      type: object
      additionalProperties: false
      required:
        - path
        - message
      properties:
        path:
          type: string
          description: >-
            JSON Pointer (RFC 6901) to the offending field in the submitted
            document. An empty string refers to the whole document.
        message:
          type: string
          description: Human-readable description of the problem with this field.
        line:
          type: integer
          minimum: 1
          description: >-
            1-based line of the offending field in the submitted source, when it
            can be located.
        column:
          type: integer
          minimum: 1
          description: >-
            1-based column of the offending field in the submitted source, when
            it can be located.
    ClientErrorCode:
      type: string
      description: >-
        Stable error code carried by 4XX statuses. Subset of the Error code enum
        whose statuses are client errors.
      enum:
        - invalid_request
        - validation_failed
        - unauthorized
        - forbidden
        - csrf_check_failed
        - not_found
        - conflict
        - idempotency_key_conflict
        - state_transition_conflict
        - pending_work
        - not_wake_capable
        - gone
        - daemon_runtime_unregistered
        - request_too_large
        - unsupported_media_type
        - unprocessable
        - rate_limited
    ServerErrorCode:
      type: string
      description: >-
        Stable error code carried by 5XX statuses. Subset of the Error code enum
        whose statuses are server errors.
      enum:
        - internal_error
        - upstream_error
        - service_unavailable
        - authentication_unavailable
    OrgSkillOwner:
      type: object
      additionalProperties: false
      required:
        - kind
      properties:
        kind:
          type: string
          enum:
            - org
    ProjectSkillOwner:
      type: object
      additionalProperties: false
      required:
        - kind
        - project_id
      properties:
        kind:
          type: string
          enum:
            - project
        project_id:
          $ref: '#/components/schemas/ProjectID'
    UserSkillOwner:
      type: object
      additionalProperties: false
      required:
        - kind
        - user_id
      properties:
        kind:
          type: string
          enum:
            - user
        user_id:
          $ref: '#/components/schemas/UserID'
    ProjectID:
      type: string
      pattern: ^proj_[a-z2-7]{26}$
    UserID:
      type: string
      pattern: ^usr_[a-z2-7]{26}$
  responses:
    BadRequest:
      description: The request was invalid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Authentication is required or invalid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Forbidden:
      description: The authenticated principal is not authorized.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: The requested resource was not found or is not visible.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Conflict:
      description: >-
        The request conflicts with current resource state or idempotency
        history.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    InternalServerError:
      description: An unexpected internal server error occurred.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    ServiceUnavailable:
      description: The service dependency required to satisfy the request is unavailable.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    ClientError:
      description: >-
        Any other client error. The body carries the shared Error envelope
        restricted to client error codes; statuses with a dedicated response
        above are documented precisely.
      content:
        application/json:
          schema:
            type: object
            additionalProperties: false
            required:
              - error
              - code
            properties:
              error:
                type: string
                description: >-
                  Human-readable error message. Do not match on it
                  programmatically.
              code:
                $ref: '#/components/schemas/ClientErrorCode'
    ServerError:
      description: >-
        Any other server error. The body carries the shared Error envelope
        restricted to server error codes.
      content:
        application/json:
          schema:
            type: object
            additionalProperties: false
            required:
              - error
              - code
            properties:
              error:
                type: string
                description: >-
                  Human-readable error message. Do not match on it
                  programmatically.
              code:
                $ref: '#/components/schemas/ServerErrorCode'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: Omnara personal or organization access token
      description: An opaque Omnara personal or organization bearer token.
    browserSessionCookie:
      type: apiKey
      in: cookie
      name: __Host-omnara_session
      description: >-
        Browser session cookie. HTTPS deployments use __Host-omnara_session;
        local HTTP development uses omnara_session.
    csrfHeader:
      type: apiKey
      in: header
      name: X-Omnara-Csrf
      description: >-
        CSRF token header required for browser-session mutations. The value must
        match the session's CSRF cookie.

````