Opa Mcp Server vs Mcp Server

In-depth architectural comparison of the Opa Mcp Server and Mcp Server MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Opa Mcp Server when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• You have access to required keys: OPA_BINARY, REGAL_BINARY, OPA_URL, OPA_MCP_ALLOWED_PATHS.
• Primary tools included: rego_format, rego_check, rego_lint.

Explore Opa Mcp Server Details

Choose Mcp Server when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Streamable HTTP transport with bearer token authentication, Supports querying RAD Security API for findings and reports, No server-side credential storage; authenticates each request.

Feature & Specification Comparison

Specification	Opa Mcp Server OrygnsCode Security	Mcp Server rad-security Security
Summary	Open Policy Agent (OPA) and Rego policy toolkit. 32 tools spanning authoring (format, lint, check, deps), evaluation (eval, test, bench, coverage), and OPA REST control (policies, data, decisions, compile). Wraps the OPA CLI and the Regal linter, with AI-assisted helpers for explaining decisions, generating test skeletons, and suggesting fixes.	MCP server for RAD Security, providing AI-powered security insights for Kubernetes and cloud environments. This server provides tools for querying the Rad Security API and retrieving security findings, reports, runtime data and many more.
Category & Scope

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "orygnscode-opa-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "orygnscode-opa-mcp-server"
      ],
      "env": {
        "OPA_BINARY": "YOUR_OPA_BINARY_HERE",
        "REGAL_BINARY": "YOUR_REGAL_BINARY_HERE",
        "OPA_URL": "YOUR_OPA_URL_HERE",
        "OPA_MCP_ALLOWED_PATHS": "YOUR_OPA_MCP_ALLOWED_PATHS_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "rad-security-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/inspector"
      ]
    }
  }
}

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