opa ☆
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Description:
Open source, general-purpose policy engine
Type: Formula  |  Latest Version: 1.12.1@0  |  Tracked Since: Dec 16, 2025
Links: Homepage  |  @OpenPolicyAgent  |  formulae.brew.sh
Category: Security
Tags: policy-as-code authorization rego devsecops compliance
Install: brew install opa
About:
Open Policy Agent (OPA) is an open-source, general-purpose policy engine that enables unified, context-aware policy enforcement across the stack. It decouples policy decision-making from application logic using a high-level declarative language called Rego. OPA helps developers and security teams codify and manage fine-grained access control, infrastructure security, and compliance policies.
Key Features:
  • Declarative policy language (Rego) for complex rules
  • Unified policy as code across microservices, CI/CD, and infrastructure
  • High-performance evaluation with flexible deployment (sidecar, library, API)
  • Rich tooling including a REPL, test framework, and bundle API
Use Cases:
  • API authorization and fine-grained access control
  • Infrastructure as Code (IaC) validation and Kubernetes admission control
  • Data filtering and data governance enforcement
  • CI/CD pipeline policy checks and compliance automation
Alternatives:
  • Cedar – AWS's policy language focused on fine-grained authorization with a different language design and ecosystem
  • Styra DAS – Enterprise control plane and managed service built around OPA for governance and lifecycle management
Version History
Detected Version Rev Change Commit
Dec 26, 2025 7:51pm 1.12.1 0 VERSION_BUMP f148e649
Dec 18, 2025 11:09pm 1.12.0 0 VERSION_BUMP 89aa2c66
Dec 18, 2025 2:16pm 1.11.1 0 VERSION_BUMP d0552f42
Dec 16, 2025 11:14pm 0 VERSION_BUMP be781d93
Nov 26, 2025 2:22pm 0 VERSION_BUMP 4b67f2f3
Oct 10, 2025 4:08pm 0 VERSION_BUMP a048465b
Sep 26, 2025 11:12am 0 VERSION_BUMP 4da027c6
Sep 16, 2025 9:34am 0 VERSION_BUMP 759be085
Oct 31, 2024 9:46pm 0 VERSION_BUMP 4459913d
Sep 30, 2024 3:48pm 0 VERSION_BUMP 9b71314a
Sep 10, 2024 2:32pm 0 VERSION_BUMP b894e875
Jul 26, 2024 10:31am 0 VERSION_BUMP 0a527848
Jul 26, 2024 12:52am 0 VERSION_BUMP 3f069b44
Nov 30, 2023 3:52pm 0 VERSION_BUMP 96fe8d33
Jun 6, 2023 12:47pm 0 VERSION_BUMP 97380910
May 26, 2023 12:59pm 0 VERSION_BUMP 0f7ffdbc
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Feb 22, 2023 2:38am 0 VERSION_BUMP 6936a31b
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Feb 8, 2023 6:05am 0 VERSION_BUMP 8e79828e
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Dec 21, 2022 3:05am 0 VERSION_BUMP df02aebe
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Dec 12, 2022 9:06pm 0 VERSION_BUMP db1d6539
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Dec 9, 2022 1:09pm 0 VERSION_BUMP a4b3c84e
Dec 7, 2022 3:05pm 0 VERSION_BUMP 45e42882
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Dec 5, 2022 1:08pm 0 VERSION_BUMP a14fc301
Dec 5, 2022 1:08pm 0 VERSION_BUMP be1e2bfa
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