How do I install OPA MCP?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 13 (Limited). The formula is published on the methodology page.

MCPpedia

OPA MCP MCP Server — Install for Claude, Cursor & VS Code | MCPpedia

OPA MCP MCP Server

Name: OPA MCP MCP Server
Author: orygnscode

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

Tools Versions Alternatives

Registryorygnscode

13Limited

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "orygnscode-opa-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@orygn/opa-mcp@0.9.0"
      ],
      "env": {
        "OPA_URL": "http://localhost:8181",
        "OPA_TOKEN": "YOUR_OPA_TOKEN",
        "OPA_BINARY": "opa",
        "REGAL_BINARY": "regal",
        "CONFTEST_BINARY": "conftest",
        "OPA_MCP_ALLOWED_PATHS": "",
        "GITHUB_TOKEN": "YOUR_GITHUB_TOKEN"
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
OPA_URL	No	Base URL of a running OPA server. Required only for opa_* runtime tools, not for rego_* language tools.
OPA_TOKEN	No	Bearer token for OPA running with --authentication=token. Secret.
OPA_BINARY	No	Path to the opa binary. Defaults to 'opa' on PATH.
REGAL_BINARY	No	Path to the regal binary (optional; used by rego_lint, rego_security_audit and rego_fix). Defaults to 'regal' on PATH.
CONFTEST_BINARY	No	Path to the conftest binary (optional, used by conftest_* tools). Defaults to 'conftest' on PATH.
OPA_MCP_ALLOWED_PATHS	No	Comma-separated list of root directories tools may read/write. When unset, file-based tools refuse to access the disk.
GITHUB_TOKEN	No	GitHub personal access token with the "gist" scope. Required only for rego_playground_share. Secret.
OPA_URL	No	Base URL of a running OPA server.
OPA_TOKEN	No	Bearer token for OPA authentication. Secret.
GITHUB_TOKEN	No	GitHub personal access token with the "gist" scope. Required only for rego_playground_share. Secret.

OPA MCP MCP Server

Install

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