opa-mcp-server
opa-mcp-server is an MCP server by OrygnsCode. Model Context Protocol server for Open Policy Agent (OPA). Author, validate, debug, and explain Rego policies through any MCP-compatible client. It has 8 GitHub stars and ranks #647 of 1058 in Cloud & Infra by stars.
- Category
- Cloud & Infra
- Author
- OrygnsCode
- GitHub stars
- 8
- This week
- Tracking since 18 Oct 2026
- Weekly downloads
- 91
- Language
- TypeScript
- License
- MIT (open source)
- Last update
- 2026-10-24 (today)
- Links
- SourceWebsitenpm
How to install opa-mcp-server
opa-mcp-server is published on npm as @orygn/opa-mcp, and it is listed in the official MCP Registry. These steps assume it runs as a local stdio server, which is the usual setup.
- Check the README. Confirm the start command and note any API keys or environment variables it needs (pass them with
-e KEY=valueor anenvblock). You need Node.js fornpx. - Add it to Claude Code from a terminal:
claude mcp add opa-mcp-server -- npx -y @orygn/opa-mcp - Or add it to Cursor or Claude Desktop in
.cursor/mcp.jsonorclaude_desktop_config.json:{ "mcpServers": { "opa-mcp-server": { "command": "npx", "args": [ "-y", "@orygn/opa-mcp" ] } } } - Restart the client and check it. Run
claude mcp list, or open the client's MCP settings, and confirm opa-mcp-server and its tools are listed. The install guide covers VS Code and Codex.
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Frequently asked questions
What is opa-mcp-server?
opa-mcp-server is an MCP server by OrygnsCode in the Cloud & Infra category. Model Context Protocol server for Open Policy Agent (OPA). Author, validate, debug, and explain Rego policies through any MCP-compatible client. It has 8 GitHub stars and ranks #647 of 1058 in Cloud & Infra by stars.
Is opa-mcp-server free and open source?
Yes. opa-mcp-server is published under the MIT license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.
What are the alternatives to opa-mcp-server?
Other Cloud & Infra projects on MCP Harbor include RuView, worldmonitor, netdata. Each alternative links to its own page with stars, license and recent activity. The Cloud & Infra category ranks all 1058 by stars, and you can re-sort it by growth this week.
Alternatives to opa-mcp-server
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