You can directly read Swagger or OpenAPI specification files without Apidog projects, like this:
npx apidog-mcp-server --oas https://petstore.swagger.io/v2/swagger.json or npx apidog-mcp-server --oas ~/data/petstore/swagger.json
npx apidog-mcp-server --oas https://petstore.swagger.io/v2/swagger.json or npx apidog-mcp-server --oas ~/data/petstore/swagger.json