MCP server

OPA MCP

Repository:: github.com/orygnscode/opa-mcp-server
Homepage:: orygn.tech
Stars:: 8
Last push:: 2026-10-24
License:: MIT

Author, validate, debug, and explain OPA Rego policies through any MCP-compatible client.

Good fit for

One-command install
Runs fully local
MIT license

Facts

Category: Security
Pricing: Unknown
Authentication: API key
Transport: stdio
Hosting: Local
Maker: Unknown
Access: Unknown
Language: TypeScript
Install method: npx, Docker
Operating system: macOS, Windows, Linux
Client: Unknown
License: Permissive
Maintenance: Active

Install

claude mcp add --transport stdio opa-mcp -- npx -y @orygn/opa-mcp

Paste into claude_desktop_config.json

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

Paste into ~/.cursor/mcp.json

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

Paste into .vscode/mcp.json

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

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

[mcp_servers.opa-mcp]
command = "npx"
args = ["-y", "@orygn/opa-mcp"]

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

Env vars and secrets

OPA_TOKENEnv varSecret
Bearer token for OPA running with --authentication=token.
GITHUB_TOKENEnv varSecret
GitHub personal access token with the "gist" scope. Required only for rego_playground_share.

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Score: 65

Popularity: 23
Maintenance: 100
Trust: 73
Completeness: 90
Community: 50

Formula version 1

Listed in:

Official MCP Registry, awesome-mcp-servers.

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