Morningstar

Morningstar Agent API

Morningstar's AI integration surface - the Morningstar Agent API at agents.morningstar.com plus an MCP server exposing datapoint lookup and editorial research tools to AI agents, with a published agent design playbook.

GitHub OpenAPI
Business capability
AI Model Services AE-110

Operations 4

0 of 4 operations are conformant: apis.io called them with no credentials and the responses matched this contract; 2 more answered but could not be checked against a schema. Checked 2026-11-12. how this works · status file

GET /morningstar-agent/v1/status Status observed #
GET /morningstar-agent/v1/ready Ready observed #
POST /morningstar-agent/v1/run Run #
POST /morningstar-agent/v1/run/stream Run Stream #

Documentation

📖
Documentation
https://developer.morningstar.com/content/documentation/morningstar-ai-integrations/morningstar-agent/overview/morningstar-agent-overview.md
📖
Documentation
https://developer.morningstar.com/content/documentation/morningstar-ai-integrations/morningstar-mcp-server/overview/morningstar-mcp-server.md

Specifications

⚙
OpenAPI
https://artifacts.apis.io/morningstar/openapi/morningstar-morningstar-agent-api-openapi.yml

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OpenAPI Specification

morningstar-morningstar-agent-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Morningstar Agent API
  description: The Morningstar Agent API makes it easy to retrieve answers from our content, without the need to build your own sync and ingestion pipelines. By connecting your generative AI application to the Morningstar Agent, you’ll be tapping into the same engine that powers Morningstar’s in-product generative AI capabilities to benefit from continuous enhancements implemented by our domain experts.
  version: 0.1.0
servers:
- url: https://agents.morningstar.com
tags:
- name: Morningstar Agent
paths:
  /morningstar-agent/v1/status:
    get:
      tags:
      - Morningstar Agent
      summary: Status
      operationId: status_morningstar_agent_v1_status_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
      security:
      - BearerAuth: []
  /morningstar-agent/v1/ready:
    get:
      tags:
      - Morningstar Agent
      summary: Ready
      operationId: ready_morningstar_agent_v1_ready_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                additionalProperties:
                  type: string
                type: object
                title: Response Ready Morningstar Agent V1 Ready Get
      security:
      - BearerAuth: []
  /morningstar-agent/v1/run:
    post:
      tags:
      - Morningstar Agent
      summary: Run
      description: Run the agent and return the final response (blocking).
      operationId: run_morningstar_agent_v1_run_post
      parameters:
      - name: x-session-id
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          description: UIM login session. Passed through to downstream requests, not created or managed by the agent.
          title: X-Session-Id
        description: UIM login session. Passed through to downstream requests, not created or managed by the agent.
      - name: x-context-id
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          description: A thread of individual interactions representing a set of questions/instructions to the agent. Omit to start a new context.
          title: X-Context-Id
        description: A thread of individual interactions representing a set of questions/instructions to the agent. Omit to start a new context.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RunRequest'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RunResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      security:
      - BearerAuth: []
  /morningstar-agent/v1/run/stream:
    post:
      tags:
      - Morningstar Agent
      summary: Run Stream
      description: Run the agent and stream tokens back as SSE.
      operationId: run_stream_morningstar_agent_v1_run_stream_post
      parameters:
      - name: x-session-id
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          description: UIM login session. Passed through to downstream requests, not created or managed by the agent.
          title: X-Session-Id
        description: UIM login session. Passed through to downstream requests, not created or managed by the agent.
      - name: x-context-id
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          description: A thread of individual interactions representing a set of questions/instructions to the agent. Omit to start a new context.
          title: X-Context-Id
        description: A thread of individual interactions representing a set of questions/instructions to the agent. Omit to start a new context.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RunRequest'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      security:
      - BearerAuth: []
components:
  schemas:
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError
    RunRequest:
      properties:
        message:
          type: string
          title: Message
        thinking_mode:
          $ref: '#/components/schemas/ThinkingMode'
          default: standard
      type: object
      required:
      - message
      title: RunRequest
    TokenUsage:
      properties:
        input_tokens:
          type: integer
          title: Input Tokens
          default: 0
        output_tokens:
          type: integer
          title: Output Tokens
          default: 0
        total_tokens:
          type: integer
          title: Total Tokens
          default: 0
        tools_called:
          items:
            type: string
          type: array
          title: Tools Called
          default: []
      type: object
      title: TokenUsage
    ThinkingMode:
      type: string
      enum:
      - fast
      - standard
      - deep
      title: ThinkingMode
    RunResponse:
      properties:
        response:
          type: string
          title: Response
        token_usage:
          anyOf:
          - $ref: '#/components/schemas/TokenUsage'
          - type: 'null'
      type: object
      required:
      - response
      title: RunResponse
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
x-provenance:
  method: harvested
  publisher: Morningstar
  source: https://agents.morningstar.com/openapi.json
  note: split by refine-openapis from the provider's own published document, verified by fetch (openapi/_original/*.fetch.json);
    stamped by stamp-openapi-provenance.py (roadmap#793)