Open Policy Agent

v0.1.3Securitystable

MCP server for Open Policy Agent (OPA) and the Rego policy language. Wraps the OPA CLI and Regal linter with 32 tools for authoring, evaluating, and debugging Rego policies through any MCP-compatible client.

mcpmodel-context-protocolopa
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What is Open Policy Agent?

Open Policy Agent is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to mcp server for open policy agent (opa) and the rego policy language. wraps the opa cli and regal linter with 32 tools for authoring, evaluating, and debugging rego policies through any mcp-compatible ...

MCP server for Open Policy Agent (OPA) and the Rego policy language. Wraps the OPA CLI and Regal linter with 32 tools for authoring, evaluating, and debugging Rego policies through any MCP-compatible client.

This server falls under the Security category on MCPgee, the world's largest MCP server directory with 33,000+ servers.

Features

  • MCP server for Open Policy Agent (OPA) and the Rego policy l

Use Cases

Author Rego policies
Evaluate and debug policies
OrygnsCode

Maintainer

LicenseMIT License
Languagetypescript
Versionv0.1.3
UpdatedMay 20, 2026
Statushealthy
Maintenanceactive

Works with

ClaudeOpenAIwindowsmacoslinux

Installation

NPM

npx -y @orygn/opa-mcp

Manual Installation

npx -y @orygn/opa-mcp

Configuration

Configuration Details

Config File

claude_desktop_config.json

Performance

Response Metrics

Response Time< 200ms
ThroughputMedium

Resource Usage

Memory UsageLow
CPU UsageLow

Frequently Asked Questions about Open Policy Agent

What is Open Policy Agent?

Open Policy Agent is a Model Context Protocol (MCP) server that mcp server for open policy agent (opa) and the rego policy language. wraps the opa cli and regal linter with 32 tools for authoring, evaluating, and debugging rego policies through any mcp-compatible client. It connects AI assistants to external tools and data sources through a standardized interface.

How do I install Open Policy Agent?

Install via npm with the command: npx -y @orygn/opa-mcp. Then add the server configuration to your AI client's JSON config file (e.g., claude_desktop_config.json or .cursor/mcp.json).

Which AI clients work with Open Policy Agent?

Open Policy Agent works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.

Is Open Policy Agent free to use?

Yes, Open Policy Agent is open source and available under the MIT License license. You can use it freely in both personal and commercial projects.

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Quick Config Preview

{ "mcpServers": { "opa": { "command": "npx", "args": ["-y", "@orygn/opa-mcp"] } } }

Add this to your claude_desktop_config.json or .cursor/mcp.json

Read the full setup guide →

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