MCP OpenAPI Server

openapi: 3.0.0 info: title: Pet Store API version: 1.0.0 description: A sample Pet Store API with nested schemas and allOf combinations x-spec-id: petstore components: schemas: Error: type: object properties: code: type: integer format: int32 message: type: string Animal: type: object properties: id: type: integer format: int64 name: type: string birthDate: type: string format: date required: - id - name Pet: allOf: - $ref: '#/components/schemas/Animal' - type: object properties: breed: type: string category: type: string enum: [DOG, CAT, BIRD, FISH] ownerId: type: integer format: int64 required: - category Owner: type: object properties: id: type: integer format: int64 name: type: string petIds: type: array items: type: integer format: int64 required: - id - name PetWithVaccinations: allOf: - $ref: '#/components/schemas/Pet' - type: object properties: vaccinations: type: array items: type: object properties: name: type: string date: type: string format: date required: - name - date paths: /pets: get: summary: List all pets operationId: listPets parameters: - name: category in: query schema: type: string enum: [DOG, CAT, BIRD, FISH] responses: '200': description: A list of pets content: application/json: schema: type: array items: $ref: '#/components/schemas/Pet' '400': description: Bad request content: application/json: schema: $ref: '#/components/schemas/Error' post: summary: Create a pet operationId: createPet requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/Pet' responses: '201': description: Pet created content: application/json: schema: $ref: '#/components/schemas/Pet' '400': description: Bad request content: application/json: schema: $ref: '#/components/schemas/Error' /pets/{petId}/vaccinations: get: summary: Get pet vaccinations operationId: getPetVaccinations parameters: - name: petId in: path required: true schema: type: integer format: int64 responses: '200': description: Pet with vaccinations content: application/json: schema: $ref: '#/components/schemas/PetWithVaccinations' '404': description: Pet not found content: application/json: schema: $ref: '#/components/schemas/Error'