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

# Update a skill

> Partial update. Changes apply to every attached scenario from its next meeting — meetings already in progress keep the skill set they started with.



## OpenAPI

````yaml PATCH /skills/{id}
openapi: 3.0.0
info:
  title: WaterrAI API
  version: 1.0.0
  description: >-
    REST API for the WaterrAI meeting platform — create scenarios, spin up
    AI-driven meetings, fetch transcripts and analyses.
  contact:
    name: Support
    email: harshit@waterr.ai
servers:
  - url: https://api.waterr.ai/v1
    description: Production
security:
  - apiKeyAuth: []
tags:
  - name: Users
  - name: Personas
  - name: Voices
  - name: Scenarios
  - name: Goals
  - name: Meetings
  - name: Analyses
  - name: Recordings
  - name: Transcripts
  - name: Tools
    description: >-
      Account-scoped custom function (tool) definitions the LLM can call
      mid-meeting.
  - name: Scenario Tools
    description: >-
      Per-scenario attachments linking a scenario to one or more tool
      definitions.
  - name: Guardrails
    description: >-
      Account-scoped named prompt fragments appended to a scenario's system
      prompt.
  - name: Scenario Guardrails
    description: Per-scenario attachments linking a scenario to one or more guardrails.
  - name: Meeting Skills
    description: Account-scoped invokable instruction packs the agent loads mid-meeting.
  - name: Scenario Meeting Skills
    description: Per-scenario attachments linking a scenario to one or more skills.
  - name: Memories
    description: >-
      Facts your agents remember, in containers named by user_memory_tag and
      shared across agents.
paths:
  /skills/{id}:
    patch:
      tags:
        - Meeting Skills
      summary: Update a skill
      description: >-
        Partial update. Changes apply to every attached scenario from its next
        meeting — meetings already in progress keep the skill set they started
        with.
      operationId: UpdateSkill
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          example: 9f0e1d2c-3b4a-5968-8776-655443322110
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              minProperties: 1
              properties:
                name:
                  type: string
                  pattern: ^[a-zA-Z0-9_-]{1,64}$
                trigger:
                  type: string
                  maxLength: 500
                instructions:
                  type: string
                  maxLength: 8000
                gated_tool_names:
                  type: array
                  maxItems: 20
                  items:
                    type: string
                active:
                  type: boolean
            example:
              trigger: >-
                book_demo: when the participant asks for a live walkthrough or a
                demo.
      responses:
        '200':
          description: Skill updated.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Skill'
        '400':
          description: Empty body or invalid field types.
        '401':
          description: Unauthorized — missing or invalid API key.
        '404':
          description: Skill not found on this account.
        '409':
          description: A skill with that name already exists on this account.
      security:
        - apiKeyAuth: []
components:
  schemas:
    Skill:
      type: object
      description: >-
        An invokable instruction pack. Only the one-line `trigger` sits in the
        agent's prompt each turn; the full `instructions` load when the agent
        invokes the skill mid-meeting and are dropped when the flow completes.
      required:
        - id
        - name
        - trigger
        - instructions
        - active
      properties:
        id:
          type: string
          format: uuid
          example: 9f0e1d2c-3b4a-5968-8776-655443322110
        membership_id:
          type: string
          format: uuid
          example: a1b2c3d4-e5f6-7890-abcd-ef0123456789
        name:
          type: string
          maxLength: 64
          pattern: ^[a-zA-Z0-9_-]{1,64}$
          description: Identifier the agent passes to `invoke_skill`. Unique per account.
          example: book_demo
        trigger:
          type: string
          maxLength: 500
          description: >-
            One line describing WHEN to invoke this skill. Lives in the base
            prompt on every turn — keep it short and specific.
          example: 'book_demo: when the participant asks to see the product live.'
        instructions:
          type: string
          maxLength: 8000
          description: >-
            The instruction pack, delivered to the agent only after it invokes
            the skill.
          example: >-
            Confirm intent first. Then collect their preferred time and
            timezone, one question per turn, and call schedule_demo once.
        gated_tool_names:
          type: array
          maxItems: 20
          default: []
          items:
            type: string
            pattern: ^[a-zA-Z0-9_-]{1,64}$
          description: >-
            Custom-function names that refuse to execute until this skill is
            invoked. `[]` means the skill is purely behavioural.
          example:
            - schedule_demo
        active:
          type: boolean
          default: true
          description: Account-level kill-switch for the definition.
          example: true
        scenarios:
          type: array
          description: >-
            Scenarios this skill is attached to. Returned only on the
            single-skill read.
          items:
            type: object
            properties:
              id:
                type: string
                format: uuid
              name:
                type: string
              active:
                type: boolean
              position:
                type: integer
        created_at:
          type: string
          format: date-time
          example: '2026-09-10T09:00:00.000Z'
        updated_at:
          type: string
          format: date-time
          example: '2026-09-10T09:00:00.000Z'
  securitySchemes:
    apiKeyAuth:
      type: http
      scheme: bearer
      bearerFormat: wai_...
      description: >-
        API key from waterr.ai/settings?tab=api-keys. Send as `Authorization:
        Bearer wai_<your_key>`.

````

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