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Microcks

API mocking and testing for cloud-native development

Developer Tools & Git ★ 2.1k stars Medium setup Apache-2.0

Microcks is an open-source CNCF tool for mocking and testing APIs and microservices based on OpenAPI, AsyncAPI, and gRPC specs. It can be self-hosted to provide mocks and contract testing.

Official siteSource code

Key features

  • Spec-driven mocks
  • Contract testing
  • AsyncAPI and gRPC support
  • Kubernetes native

Strengths

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Kubernetes-ready with Helm charts available
  • Active community (2.1k GitHub stars)

Is Microcks secure?

No known vulnerabilities affect Microcks's latest release (1.15.0). OSV.dev lists 1 past advisory for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2024-44076, published 2024-08-19 (786 days ago), fixed in 1.10.0

Source: OSV.dev, checked 2026-10-14. How this is measured.

Microcks replaces

Self-hosted Postman Mock alternativesSelf-hosted WireMock alternatives

Health badge

Maintain Microcks? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 88 · excellent

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