Depguard vs Opa Mcp Server

In-depth architectural comparison of the Depguard and Opa 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 Depguard 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: Pre-install package verification and audit, Static code analysis and dead-dependency detection, Vulnerability audit using npm and GitHub Advisory databases.

Explore Depguard Details

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.

Feature & Specification Comparison

Specification	Depguard mopanc Security	Opa Mcp Server OrygnsCode Security
Summary	Pre-install guardian for npm packages with static code analysis, supply-chain attack detection, vulnerability audit (npm + GitHub Advisory Database), AI hallucination guard, and CycloneDX 1.6 SBOM generation with VEX. 28 MCP tools. Zero runtime dependencies — the SBOM serializer is implemented natively against the public CycloneDX schema.	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.
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": {
    "mopanc-depguard": {
      "command": "npx",
      "args": [
        "-y",
        "mopanc-depguard"
      ]
    }
  }
}

{
  "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"
      }
    }
  }
}

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