BigPanda Agents (MCP & A2A) API

openapi: 3.2.0
info:
  title: BigPanda Agents (MCP & A2A) Agents (MCP & A2A) Agents (MCP……
  description: BigPanda Agents (MCP & A2A) operations, assembled verbatim from the OpenAPI fragments BigPanda publishes on its own API reference at https://api-docs.bigpanda.io/. Each operation carries x-source-url naming the exact provider page it was read from. BigPanda hosts each organization in a single data management region (US or EU); send requests to the base URL for your region.
  version: 1.0.0
  contact:
    name: BigPanda Support
    url: https://api-docs.bigpanda.io/
  license:
    name: Proprietary
    url: https://www.bigpanda.io/legal/
  x-provenance:
    method: searched
    source: https://api-docs.bigpanda.io/llms.txt
    harvested: '2026-09-04'
    assembly: 'Operations copied verbatim from the per-endpoint OpenAPI 3.0.1 fragments BigPanda publishes at https://api-docs.bigpanda.io/<endpoint>.md. Assembly-only normalizations: Apidog x-apidog security metadata stripped, securityScheme type "bearer" corrected to type http/scheme bearer, schema name collisions suffixed. No operation, parameter, schema or response was authored by API Evangelist.'
    operations: 3
servers:
- url: https://api.bigpanda.io
  description: US Region
- url: https://api.eu.bigpanda.io
  description: EU Region
tags:
- name: Agents (MCP & A2A)
paths:
  /.well-known/agent-card.json?assistant_id=biggy-agent:
    get:
      summary: Retrieve the agent card
      deprecated: false
      description: Returns the agent card describing Biggy's capabilities, supported input/output modes, and skills.
      operationId: retrieve-agent-card
      tags:
      - Agents (MCP & A2A)
      parameters:
      - name: assistant_id
        in: query
        description: ''
        required: true
        example: biggy-agent
        schema:
          type: string
      responses:
        '200':
          x-apidog-ordering: 0
          description: '200'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/agentcard200'
          headers: {}
          x-apidog-name: ''
        '404':
          x-apidog-ordering: 1
          description: '404'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/generic404response'
          headers: {}
          x-apidog-name: ''
      security:
      - BearerUser11: []
      x-publication-status: live
      x-run-in-apidog: https://app.apidog.com/web/project/1203004/apis/api-37769994-run
      x-source-url: https://api-docs.bigpanda.io/retrieve-the-agent-card-37769994e0.md
      x-source-page: Retrieve the agent card
  /mcp:
    post:
      summary: Use Biggy action plans via a remote MCP
      deprecated: false
      description: 'Initialize the MCP session. Stateless transport over HTTP POST with JSON-RPC 2.0.


        GET and DELETE return 405 Method Not Allowed (stateless mode).


        > 🚧 **Authentication**

        >

        > All BigPanda APIs require Bearer Token Authorization in the call headers.

        >

        > This API uses the User API Key type of Authorization token.


        > ❗ **Rate limitations**

        >

        > To maintain quality of service, the Biggy API is limited to 100 requests per minute. Additional requests will return a 429 response code and the request will need to be retried.'
      operationId: use-action-plans-as-mcp
      tags:
      - Agents (MCP & A2A)
      parameters:
      - name: Accept
        in: header
        description: ''
        required: true
        example: ''
        schema:
          type: string
          examples:
          - application/json, text/event-stream
      requestBody:
        content:
          application/json:
            schema:
              oneOf:
              - $ref: '#/components/schemas/mcp-initialize-config'
              - $ref: '#/components/schemas/mcp-toolslist-config'
              - $ref: '#/components/schemas/mcp-calltool-config'
            examples: {}
      responses:
        '200':
          x-apidog-ordering: 0
          description: '200'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/mcp200response'
          headers: {}
          x-apidog-name: Server info and capabilities
        '405':
          x-apidog-ordering: 1
          description: '405'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/mcp405response'
          headers: {}
          x-apidog-name: ''
      security:
      - BearerUser11: []
      x-publication-status: live
      x-run-in-apidog: https://app.apidog.com/web/project/1203004/apis/api-37991762-run
      x-source-url: https://api-docs.bigpanda.io/use-biggy-action-plans-via-a-remote-mcp-37991762e0.md
      x-source-page: Use Biggy action plans via a remote MCP
  /a2a/biggy-agent:
    post:
      summary: Use the A2A protocol
      deprecated: false
      description: Use Biggy's Alpha agent via the A2A protocol so your own AI agents can send messages, stream responses, and poll task status using a standard JSON-RPC 2.0 interface.
      operationId: use-the-a2a-protocol
      tags:
      - Agents (MCP & A2A)
      parameters: []
      requestBody:
        content:
          application/json:
            schema:
              oneOf:
              - type: object
                properties: {}
              - type: object
                properties: {}
              - $ref: '#/components/schemas/a2a-tasksget-config'
      responses:
        '200':
          x-apidog-ordering: 0
          description: '200'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/a2a200response'
          headers: {}
          x-apidog-name: ''
        '404':
          x-apidog-ordering: 1
          description: '404'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/generic404response'
          headers: {}
          x-apidog-name: ''
      security:
      - BearerUser11: []
      x-publication-status: live
      x-run-in-apidog: https://app.apidog.com/web/project/1203004/apis/api-38058759-run
      x-source-url: https://api-docs.bigpanda.io/use-the-a2a-protocol-38058759e0.md
      x-source-page: Use the A2A protocol
components:
  schemas:
    mcp405response:
      type: object
      description: 'Method not allowed (GET/DELETE on stateless endpoint)

        '
      properties:
        status:
          type: integer
          examples:
          - 405
        errors:
          type: array
          items:
            type: string
            examples:
            - 'Method not allowed (GET/DELETE on stateless endpoint)    '
      x-apidog-orders:
      - status
      - errors
      x-apidog-folder: ''
      x-apidog-ignore-properties: []
    agentcard200:
      type: object
      description: 'Call was successful.

        '
      properties:
        status:
          type: integer
          examples:
          - 200
        data:
          type: object
          properties:
            assistant_id:
              type: string
              description: Identifier of the agent.
              examples:
              - biggy-agent
            name:
              type: string
              description: Name of the agent.
              examples:
              - Biggy Agent
            description:
              type: string
              description: Description of the agent.
              examples:
              - Biggy Alpha agent exposed via the A2A protocol.
            input_modes:
              type: array
              description: Input modes.
              examples:
              - text
              items:
                type: string
            output_modes:
              type: array
              description: Output modes.
              examples:
              - text
              items:
                type: string
            skills:
              type: object
              properties:
                name:
                  type: string
                  description: Name of the skill.
                  examples:
                  - general-aiops-qa
                description:
                  type: string
                  description: Description of the skill.
                  examples:
                  - General IT ops Q&A
              x-apidog-orders:
              - name
              - description
              x-apidog-ignore-properties: []
            a2a_endpoint:
              type: string
              description: Agent 2 Agent endpoint.
              examples:
              - /a2a/biggy-agent
          x-apidog-orders:
          - assistant_id
          - name
          - description
          - input_modes
          - output_modes
          - skills
          - a2a_endpoint
          x-apidog-ignore-properties: []
      x-apidog-orders:
      - status
      - data
      x-apidog-folder: ''
      x-apidog-ignore-properties: []
    a2a-tasksget-config:
      type: object
      title: tasks/get (polling)
      properties:
        json-rpc:
          type: string
          description: JSON RPC version. Must be 2.0.
          examples:
          - 2
        id:
          type: string
          description: Identifier established by the client.
          examples:
          - 1
        method:
          type: string
          description: The operation that will take place over this endpoint. One of `message/send`, `message/stream`, or `task/get`.
          examples:
          - tasks/get
        params:
          type: object
          items:
            type: object
            properties: {}
          properties: {}
          x-apidog-orders: []
          x-apidog-ignore-properties: []
      x-apidog-orders:
      - json-rpc
      - id
      - method
      - params
      x-apidog-folder: ''
      x-apidog-ignore-properties: []
    mcp-initialize-config:
      type: object
      title: initialize
      properties:
        jsonRpc:
          type: string
          description: JSON RPC version. Must be 2.0.
          examples:
          - 2
        id:
          type: string
          description: Identifier established by the client.
          examples:
          - 1
        method:
          type: string
          description: Method used for this request. One of `initialize`, `tools/list`, or `tools/call`.
          examples:
          - initialize
        params:
          type: object
          description: Parameter values to be used during the invocation of the method.
          properties:
            protocolVersion:
              type: string
              description: MCP protocol version.
              examples:
              - '2025-11-25T00:00:00.000Z'
            capabilities:
              type: string
              description: Client capabilities.
              examples:
              - null
            clientInfo:
              type: array
              description: Information about the MCP client.
              examples:
              - name
              items:
                type: string
          x-apidog-orders:
          - protocolVersion
          - capabilities
          - clientInfo
          x-apidog-ignore-properties: []
      x-apidog-orders:
      - jsonRpc
      - id
      - method
      - params
      x-apidog-folder: ''
      x-apidog-ignore-properties: []
    generic404response:
      type: object
      description: 'Requested endpoint or resource is not found.

        '
      properties:
        status:
          type: integer
          examples:
          - 404
        errors:
          type: array
          items:
            type: string
            examples:
            - Requested endpoint or resource is not found.
      x-apidog-orders:
      - status
      - errors
      x-apidog-folder: ''
      x-apidog-ignore-properties: []
    mcp200response:
      type: object
      properties:
        jsonRPC:
          type: string
          description: JSON RPC version.
          examples:
          - 2
        id:
          type: string
          description: Identifier established by the client.
          examples:
          - 1
        result:
          type: object
          properties:
            protocolVersion:
              type: string
              description: MCP protocol version.
              examples:
              - '2025-11-25T00:00:00.000Z'
            capabilities:
              type: array
              description: Client capabilities.
              examples:
              - tools
              items:
                type: string
            serverInfo:
              type: array
              description: Information about the connected server.
              examples:
              - name
              items:
                type: string
          x-apidog-orders:
          - protocolVersion
          - capabilities
          - serverInfo
          x-apidog-ignore-properties: []
      x-apidog-orders:
      - jsonRPC
      - id
      - result
      x-apidog-folder: ''
      x-apidog-ignore-properties: []
    mcp-toolslist-config:
      type: object
      title: tools/list
      properties:
        jsonRpc:
          type: string
          description: JSON RPC version. Must be 2.0.
          examples:
          - 2
        id:
          type: string
          description: Identifier established by the client.
          examples:
          - 1
        method:
          type: string
          description: Method used for this request. One of `initialize`, `tools/list`, or `tools/call`.
          examples:
          - tools/list
        params:
          type: array
          description: Parameter values to be used during the invocation of the method.
          examples:
          - null
          items:
            type: string
      x-apidog-orders:
      - jsonRpc
      - id
      - method
      - params
      x-apidog-folder: ''
      x-apidog-ignore-properties: []
    mcp-calltool-config:
      type: object
      title: tools/call
      properties:
        jsonRpc:
          type: string
          description: JSON RPC version. Must be 2.0.
          examples:
          - 2
        id:
          type: string
          description: Identifier established by the client.
          examples:
          - 1
        method:
          type: string
          description: Method used for this request. One of `initialize`, `tools/list`, or `tools/call`.
          examples:
          - tools/call
        params:
          type: object
          description: Parameter values to be used during the invocation of the method.
          properties:
            name:
              type: string
              description: Full name of the action plan.
              examples:
              - TroubleshootHistoricalAnalysis
            arguments:
              type: object
              properties:
                query:
                  type: string
                  description: The prompt used to invoke the action plan.
                  examples:
                  - What alerts fired for the payments service in the last 24 hours?
              x-apidog-orders:
              - query
              x-apidog-ignore-properties: []
          x-apidog-orders:
          - name
          - arguments
          x-apidog-ignore-properties: []
      x-apidog-orders:
      - jsonRpc
      - id
      - method
      - params
      x-apidog-folder: ''
      x-apidog-ignore-properties: []
    a2a200response:
      type: object
      description: 'Call was successful.

        '
      properties:
        status:
          type: integer
          examples:
          - 200
        data:
          type: object
          properties:
            jsonRPC:
              type: string
              description: JSON RPC version.
              examples:
              - 2
            id:
              type: string
              description: Identifier established by the client.
              examples:
              - 1
            result:
              type: object
              properties:
                taskId:
                  type: string
                  description: Unique identifier of the task.
                  examples:
                  - 6830f1a2e3b4c5d6e7f80001
                status:
                  type: string
                  description: Status of the task. One of `running`, `completed`, `failed`, or `not_found`.
                artifacts:
                  type: object
                  properties:
                    parts:
                      type: array
                      description: Parts of the message.
                      examples:
                      - text
                      items:
                        type: string
                  x-apidog-orders:
                  - parts
                  x-apidog-ignore-properties: []
              x-apidog-orders:
              - taskId
              - status
              - artifacts
              x-apidog-ignore-properties: []
          x-apidog-orders:
          - jsonRPC
          - id
          - result
          x-apidog-ignore-properties: []
      x-apidog-orders:
      - status
      - data
      x-apidog-folder: ''
      x-apidog-ignore-properties: []
  securitySchemes:
    BearerUser11:
      type: http
      scheme: bearer
      description: 'Format: "Bearer {User API Key}" BigPanda recommends adding

        [Authentication](https://docs.bigpanda.io/reference/introduction#authentication-and-headers)

        headers only in the secure tool you use to make API calls

        '
x-server-notes:
- US host https://api.bigpanda.io verified live 2026-09-04 (HTTP 401 Authorization Required on an unauthenticated request).
- EU host https://api.eu.bigpanda.io is the value BigPanda publishes at https://api-docs.bigpanda.io/regions. It did NOT resolve in DNS on 2026-09-04. The live EU host observed on that date is https://eu-api.bigpanda.io (401 Authorization Required). The per-endpoint fragments on the same site declare a third EU value, https://eu-api.biggy.io, which also does not resolve. Recorded as published; not corrected.