Tech riderRev. 1 Oct 2026
- 1Runs onLinux, Mac, Windows
- 2CostsFree plan
- 3Terraform analysisYes
- 4Kubernetes analysisYes
- 5Custom policiesYes
- 6Pull request scanningYes
6 lines stated Written from the maker's own pages: conftest.dev, github.com
Overview
Conftest is ranked #2 of 27 in infrastructure testing tools on Specifiction. It runs on Linux, macOS, Windows. There is a free plan.
Conftest plans and pricing
All plansCompared on infrastructure testing tools
- Free plan
- Yesconftest.dev
- Terraform analysis
- Yesconftest.dev
- Kubernetes analysis
- Yesconftest.dev
- Custom policies
- Yesconftest.dev
- Pull request scanning
- Yesconftest.dev
Facts
- Purpose
- Conftest is a utility for writing tests against structured configuration data.conftest.dev · 30 Sept 2026
- Policy language
- Conftest uses the Open Policy Agent Rego language for writing policies.conftest.dev · 30 Sept 2026
- Target users
- Conftest is designed for configuration testing in CI environments.conftest.dev · 30 Sept 2026
- Supported formats
- Supported inputs include Kubernetes-style YAML, JSON, HCL/HCL2, Dockerfiles, Terraform-related data, JSONnet, TOML, XML, and other formats listed in the documentation.conftest.dev · 30 Sept 2026
- Policy rules
- Conftest evaluates deny, violation, and warn rules and supports namespaces.conftest.dev · 30 Sept 2026
- Input methods
- Configuration can be tested from files, directories, multiple files, or standard input.conftest.dev · 30 Sept 2026
- CI outputs
- Output formats include JSON, TAP, table, JUnit, GitHub, Azure DevOps, and SARIF.conftest.dev · 30 Sept 2026
- GitHub integration
- The GitHub outputter can annotate configuration test results for GitHub workflows.conftest.dev · 30 Sept 2026
- Policy sharing
- Policies can be pulled from HTTPS URLs, Git repositories, and OCI registries, and pushed to compatible OCI registries.conftest.dev · 30 Sept 2026
- Plugin system
- Plugins can extend the Conftest CLI and can be downloaded through OCI, local files, Git, HTTP/HTTPS, Mercurial, Amazon S3, or Google Cloud Storage.conftest.dev · 30 Sept 2026
- Pre-commit
- Conftest provides pre-commit hooks for testing, verifying, documenting, pulling, and formatting policies.conftest.dev · 30 Sept 2026
- Release security
- Every release asset, checksums file, and container image is attested with GitHub artifact attestations using SLSA provenance signed through Sigstore.conftest.dev · 30 Sept 2026
- Deployment options
- Conftest can be installed with Homebrew, Scoop, Mise, Docker, or from source.conftest.dev · 30 Sept 2026
- Deprecated image
- The instrumenta/conftest container image is deprecated and the documentation directs users to openpolicyagent/conftest.conftest.dev · 30 Sept 2026
- Community support
- The project directs discussions and questions to the Open Policy Agent Slack #opa-conftest channel.github.com · 30 Sept 2026
- Configuration targets
- Conftest supports Kubernetes configurations, Tekton pipeline definitions, Terraform code, Serverless configurations and other structured data.conftest.dev · 1 Oct 2026
- Policy testing
- The `conftest verify` command executes policy unit tests and reports their results.conftest.dev · 1 Oct 2026
- Output formats
- Conftest supports plaintext, JSON, TAP, table, JUnit, GitHub, Azure DevOps and SARIF output.conftest.dev · 1 Oct 2026
- Plugins
- Conftest plugins extend the CLI and can be downloaded from OCI registries, local files, Git, HTTP/HTTPS, Mercurial, Amazon S3 and Google Cloud Storage.conftest.dev · 1 Oct 2026
- CI integration
- The project documents integrations with CircleCI, GitHub Actions and Tekton Pipelines.cncf.io · 1 Oct 2026
- Support
- Questions and discussions are directed to the Open Policy Agent Slack channel `#opa-conftest`.github.com · 1 Oct 2026
- Project affiliation
- Conftest is a utility built on top of Open Policy Agent.openpolicyagent.org · 1 Oct 2026
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Where it ranks on Specifiction
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Sources
- conftest.dev· checked 30 Sept 2026
- conftest.dev/output/· checked 30 Sept 2026
- conftest.dev/options/· checked 30 Sept 2026
- conftest.dev/sharing/· checked 30 Sept 2026
- conftest.dev/plugins/· checked 30 Sept 2026
- conftest.dev/pre_commit/· checked 30 Sept 2026
- conftest.dev/install/· checked 30 Sept 2026
- github.com/open-policy-agent/conftest· checked 30 Sept 2026
- cncf.io/blog/2020/07/23/conftest-joins-the-open· checked 1 Oct 2026
- openpolicyagent.org/ecosystem/entry/conftest· checked 1 Oct 2026
- github.com/open-policy-agent/conftest/blob/master/· checked 1 Oct 2026