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CerberAuth’s openapi-oathkeeper 0.7.15 is a command-line utility that turns an OpenAPI 3 contract into ready-to-use access-rule files for the Ory Oathkeeper identity & access proxy. Designed for DevOps and API-security teams, the tool parses the paths, methods, security schemes, and scopes defined in any valid OpenAPI 3 document and produces matching JSON or YAML rule sets that Oathkeeper can load immediately, eliminating the manual translation of documentation into policy configuration. Typical use cases include scaffolding coarse-grained authorization for microservice gateways, synchronizing access rules with every new API version in CI pipelines, and exporting tenant-specific rule subsets from a single canonical spec. Because the generator respects the original security requirements, it preserves OAuth 2.0 scopes, API-key constraints, and custom claims, ensuring that the resulting rules enforce the same restrictions the specification advertises. The single-version utility is lightweight, cross-platform, and fits seamlessly into existing GitOps or Helm-based Oathkeeper deployments; it can output rules to stdout for inspection or write them directly to the filesystem layout expected by Oathkeeper’s file watcher. By automating what is traditionally an error-prone copy-and-paste task, openapi-oathkeeper reduces drift between documented and enforced policies and shortens the feedback loop when APIs evolve. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.
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