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Smocker

Simple and efficient HTTP mock server

Developer Tools & Git ★ 1.3k stars Easy setup MIT

Smocker is a lightweight HTTP mock server designed for testing, with a clean UI for defining mocks and inspecting captured requests. It is easy to run in CI environments.

Official siteSource code

Key features

  • Lightweight mock server
  • Web UI for mocks
  • Request history inspection
  • YAML mock definitions

Strengths

  • Released under the MIT license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Active community (1.3k GitHub stars)

Is Smocker secure?

OSV.dev has no published security advisories for Smocker's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

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

Smocker replaces

Self-hosted WireMock alternativesSelf-hosted Mockoon alternatives

Health badge

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

SelfHostIndex: 69 · good

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<a href="https://selfhostindex.com/app/smocker/"><img src="https://selfhostindex.com/badge/smocker.svg" alt="SelfHostIndex health score for Smocker"></a>
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.. image:: https://selfhostindex.com/badge/smocker.svg
   :alt: SelfHostIndex health score for Smocker
   :target: https://selfhostindex.com/app/smocker/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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