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GraphQL import is coming soon and is not available in the current import workspace.
GraphQL APIs use a different operation model from OpenAPI, REST endpoint definitions, and Postman collections. 0mcp plans to support GraphQL-to-MCP conversion as a dedicated API source. Until then, use one of the currently available sources:

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Do not upload GraphQL schemas to the OpenAPI importer

The OpenAPI source expects an OpenAPI 3.x or Swagger 2.0 document. A GraphQL schema or introspection result does not have the same structure, server model, or operation metadata as an OpenAPI document.
Do not upload a GraphQL schema through the OpenAPI source. Use the GraphQL source when it becomes available.

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Preparing for GraphQL support

When GraphQL support is available, plan to review:
  • Which queries should become read-only tools.
  • Which mutations are safe to expose.
  • How authentication is forwarded to your GraphQL endpoint.
  • Whether generated tool names and descriptions are clear enough for AI clients.
Until then, expose GraphQL-backed functionality through a REST or OpenAPI layer if you need to publish it as an MCP server today.