Specifiction
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
List your tool
Vendor dashboard
Tech riderRev. 21 Sept 2026

Molecule

Ch 206.4of 27 Infrastructure Testing Tools
  1. 1Runs onLinux
  2. 2CostsNot stated by the maker
  3. 3IaC supportAnsible
  4. 4Config complianceYes
  5. 5Provisioning testsYes
  6. 6Deployed checksYes
  7. 7Execution modellocal
  8. 8Cloud supportAWS, Azure, GCP
7 lines stated Written from the maker's own pages: docs.ansible.com
Visit site Alternatives

Overview

Molecule is ranked #20 of 27 in infrastructure testing tools on Specifiction. It runs on Linux.

Compared on infrastructure testing tools

IaC support
Ansibledocs.ansible.com
Config compliance
Yesdocs.ansible.com
Provisioning tests
Yesdocs.ansible.com
Deployed checks
Yesdocs.ansible.com
Execution model
localdocs.ansible.com
Cloud support
AWS, Azure, GCPdocs.ansible.com

Facts

Purpose
Molecule is an Ansible testing framework for developing and testing collections, playbooks, and roles.docs.ansible.com · 5 Oct 2026
Test targets
Test scenarios can target systems and services reachable from Ansible, including containers, virtual machines, cloud infrastructure, APIs, databases, and network devices.docs.ansible.com · 5 Oct 2026
Ansible versions
Molecule supports only the latest two major versions of Ansible (N/N-1).docs.ansible.com · 5 Oct 2026
Test workflows
Its configurable actions include provisioning, dependency installation, preparation, convergence, idempotence checks, verification, cleanup, and destruction.docs.ansible.com · 5 Oct 2026
Installation
The documentation names pip as the only supported installation method and recommends installing Molecule through the ansible-dev-tools package.docs.ansible.com · 5 Oct 2026
Drivers
Molecule uses the delegated driver by default, and other drivers can be installed separately, most through the molecule-plugins package.docs.ansible.com · 5 Oct 2026
CI integrations
The documentation provides continuous integration examples for GitHub Actions, Travis CI, GitLab CI, Azure Pipelines, Jenkins Pipeline, and Tox.docs.ansible.com · 5 Oct 2026
Container option
Molecule is included in the Ansible Development Tools container image.docs.ansible.com · 5 Oct 2026
Command line
Molecule can be invoked with the molecule command or as a Python module using python3 -m molecule.docs.ansible.com · 5 Oct 2026
Platform requirements
Installation requires Python packaging and Python management on the system running Molecule, and the documentation gives package installation examples for CentOS and Ubuntu.docs.ansible.com · 5 Oct 2026
Notable limitation
Molecule does not include ansible-lint; the installation documentation instructs users to install it separately.docs.ansible.com · 5 Oct 2026
Who it is for
The getting-started guides direct Ansible role, playbook project, and collection developers to different testing paths.docs.ansible.com · 5 Oct 2026
Security
The documentation recommends installing Molecule in a virtual environment and notes a possible issue on SELinux-supporting systems when installed into one.docs.ansible.com · 5 Oct 2026
Workflow
The `molecule test` command runs a configurable sequence of testing actions, including syntax, create, converge, idempotence, and verify.docs.ansible.com · 5 Oct 2026
Inventory
Molecule can use existing Ansible inventory sources, including static files, dynamic scripts, and inventory plugins.docs.ansible.com · 5 Oct 2026
Integrations
Molecule uses Ansible features such as inventory, playbooks, and collections, and community drivers are available through molecule-plugins.docs.ansible.com · 5 Oct 2026
CI
The documentation gives a GitHub Actions example that installs dependencies and runs `molecule test`.docs.ansible.com · 5 Oct 2026
Requirements
Molecule requires a recent supported version of ansible-core, and selected drivers may require additional operating system packages or Python packages.docs.ansible.com · 5 Oct 2026
Ansible version support
Molecule supports only the latest two major versions of Ansible.docs.ansible.com · 5 Oct 2026
Pricing
The project documentation provides pip installation instructions and does not list a paid plan or price.docs.ansible.com · 5 Oct 2026
Support
The project directs users to the Ansible community forum for questions and help, and says possible security bugs can be reported to [email protected].docs.ansible.com · 5 Oct 2026
License
The project GitHub page identifies Molecule as MIT licensed.github.com · 5 Oct 2026

Company

Founded
2015docs.ansible.com · 28 Sept 2026

Best Molecule alternatives

See all 20
All accessCh 01 Chef InSpec Free planFree trialAPI Free to start7.5 All accessCh 02 Conftest Free planLinuxMac Free to start7.4 All accessCh 03 kubeconform Free planLinuxMac Free to start7.2 All accessCh 04 Test Kitchen Free planLinuxMac Free to start7.2 All accessCh 05 AWS CloudFormation Free planAPILinux Free to start7.1 All accessCh 06 Sonobuoy LinuxMac 7.1

Where it ranks on Specifiction

Is Molecule yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote Molecule

Sources