# Open Policy Agent (OPA) > Open Policy Agent (OPA) - Skill: `tomevault-io/open-policy-agent-opa` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/open-policy-agent-opa` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/open-policy-agent-opa/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: AI & ML - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/open-policy-agent-opa --- # Open Policy Agent (OPA) ## Installation Requirements and caveats from upstream: - See [Docker Hub](https://hub.docker.com/r/openpolicyagent/opa/tags/) for container images and the [GitHub releases](https://github.com/open-policy-agent/opa/releases) for binaries. - [Docker](https://www.openpolicyagent.org/docs/docker-authorization), Basic usage or getting-started notes: - Write your first Rego policy with the [Rego Playground](https://play.openpolicyagent.org) or use it to share your work with others for feedback and support. Have a look at the [Access Control examples](https://play.op... - For example, in a simple API authorization use case: - Source: https://github.com/open-policy-agent/opa - Extracted from upstream docs: https://raw.githubusercontent.com/open-policy-agent/opa/HEAD/README.md ## Documentation - https://www.openpolicyagent.org/docs/latest/ ## Source - [Agent Skill Exchange](https://agentskillexchange.com/skills/open-policy-agent-opa/) --- > Source: [agentskillexchange/skills](https://github.com/agentskillexchange/skills) — distributed by [TomeVault](https://tomevault.io).