Workato Curate an MCP Server's Tools

arazzo: 1.0.1
info:
  title: Workato Curate an MCP Server's Tools
  summary: Refine a tool's description on an MCP server, or remove it.
  description: >-
    Improves the tools an AI agent sees through a Model Context Protocol server.
    The workflow lists the server's tools, branches on whether any exist,
    updates the first tool's description so agents understand when to use it,
    and re-lists the tools to confirm the change. Every step spells out its
    request inline so the flow can be read and executed without opening the
    underlying OpenAPI description.
  version: 1.0.0
sourceDescriptions:
- name: mcpServerApi
  url: ../openapi/workato-mcp-server-openapi.yml
  type: openapi
workflows:
- workflowId: curate-mcp-server-tool
  summary: Update the description of the first tool on an MCP server.
  description: >-
    Lists an MCP server's tools, branches when at least one exists, updates the
    first tool's description, and re-lists the tools to verify.
  inputs:
    type: object
    required:
    - handle
    - description
    properties:
      handle:
        type: string
        description: The handle (slug) of the MCP server whose tool is curated.
      description:
        type: string
        description: The updated tool description explaining when and how to use it.
  steps:
  - stepId: listTools
    description: List the server's tools and select the first one to curate.
    operationId: listMcpServerTools
    parameters:
    - name: mcp_server_handle
      in: path
      value: $inputs.handle
    - name: per_page
      in: query
      value: 100
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      firstToolId: $response.body#/items/0/id
    onSuccess:
    - name: hasTools
      type: goto
      stepId: updateTool
      criteria:
      - context: $response.body
        condition: $.items.length > 0
        type: jsonpath
    - name: noTools
      type: end
      criteria:
      - context: $response.body
        condition: $.items.length == 0
        type: jsonpath
  - stepId: updateTool
    description: Update the first tool's description to guide AI agent usage.
    operationId: updateMcpServerTool
    parameters:
    - name: mcp_server_handle
      in: path
      value: $inputs.handle
    - name: id
      in: path
      value: $steps.listTools.outputs.firstToolId
    requestBody:
      contentType: application/json
      payload:
        description: $inputs.description
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      updatedToolId: $response.body#/id
  - stepId: confirmTools
    description: Re-list the server's tools to confirm the description was updated.
    operationId: listMcpServerTools
    parameters:
    - name: mcp_server_handle
      in: path
      value: $inputs.handle
    - name: per_page
      in: query
      value: 100
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      tools: $response.body#/items
  outputs:
    updatedToolId: $steps.updateTool.outputs.updatedToolId
    tools: $steps.confirmTools.outputs.tools