What is opa-mcp-server?
opa-mcp-server is a MCP server by OrygnsCode that oPA and Rego policy toolkit wrapping the OPA CLI and Regal: format, lint, evaluate, test and benchmark policies, manage the OPA REST API and explain decisions. It is listed under Security and has 8 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | OrygnsCode |
| Repository | OrygnsCode/opa-mcp-server |
| Popularity | 8 GitHub stars |
| Category | Security |
| Security | Review before installing (72/100) |
| Rank | #1,906 of 4,418 MCP servers; #92 in Security |
| License | MIT |
| Last commit | 2026-10-06 |
| Runs | Locally and in the cloud |
| Language | TypeScript |
| Platforms | macOS, Windows, Linux |
Is opa-mcp-server safe to install?
opa-mcp-server scores 72/100 on the MCPMods security check: Review before installing. Things to review: sends your data to a cloud service; can take actions such as send, write or deploy. It passed 3 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Sends your data to a cloud service | Review |
| No credentials mentioned | Pass |
| Can take actions such as send, write or deploy | Review |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install opa-mcp-server?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/OrygnsCode/opa-mcp-server
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add opa-mcp-server -- <command from README> claude mcp add --transport http opa-mcp-server <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs opa-mcp-server for you:
Add the "opa-mcp-server" MCP server from https://github.com/OrygnsCode/opa-mcp-server to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.