SERVER

OPA MCP

Rank #3,755

io.github.OrygnsCode/opa-mcp

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

11 versions

8 GitHub stars

by orygnscode (2 servers)View repository ↗

First listed

May 6, 2026

Last publish date

Oct 6, 2026

PURPOSE

What you can do with OPA MCP

OPA MCP is a Model Context Protocol (MCP) server published by orygnscode. It ranks #3,755 of 144,396 active servers on MCP Toplist, and its repository has 8 GitHub stars. OPA MCP is listed across 3 registries — Official MCP, PulseMCP and Glama, with 11 tracked versions. It was first listed on May 6, 2026 and most recently updated on Oct 6, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What OPA MCP can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using OPA MCP

DeclaredNo credentialsNo credentials declared

The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.

Declared by Glama, last synced Oct 16, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

OPA_URL · optional
OPA_TOKEN · optional
OPA_BINARY · optional
REGAL_BINARY · optional
CONFTEST_BINARY · optional
OPA_MCP_ALLOWED_PATHS · optional
GITHUB_TOKEN · optional

INSTALLATION AND FIRST TASK

Connect OPA MCP and confirm it works

npm package

claude mcp add opa-mcp -e "OPA_URL=<your OPA_URL>" -e "OPA_TOKEN=<your OPA_TOKEN>" -e "OPA_BINARY=<your OPA_BINARY>" -e "REGAL_BINARY=<your REGAL_BINARY>" -e "CONFTEST_BINARY=<your CONFTEST_BINARY>" -e "OPA_MCP_ALLOWED_PATHS=<your OPA_MCP_ALLOWED_PATHS>" -e "GITHUB_TOKEN=<your GITHUB_TOKEN>" -- npx -y @orygn/opa-mcp

Replace each placeholder with your own value before saving.

Docker image

claude mcp add opa-mcp -e "OPA_URL=<your OPA_URL>" -e "OPA_TOKEN=<your OPA_TOKEN>" -e "GITHUB_TOKEN=<your GITHUB_TOKEN>" -- docker run -i --rm docker.io/orygn/opa-mcp:0.9.0

Replace each placeholder with your own value before saving.

npm package

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

[mcp_servers.opa-mcp.env]
OPA_URL = "<your OPA_URL>"
OPA_TOKEN = "<your OPA_TOKEN>"
OPA_BINARY = "<your OPA_BINARY>"
REGAL_BINARY = "<your REGAL_BINARY>"
CONFTEST_BINARY = "<your CONFTEST_BINARY>"
OPA_MCP_ALLOWED_PATHS = "<your OPA_MCP_ALLOWED_PATHS>"
GITHUB_TOKEN = "<your GITHUB_TOKEN>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

Docker image

[mcp_servers.opa-mcp]
command = "docker"
args = ["run", "-i", "--rm", "docker.io/orygn/opa-mcp:0.9.0"]

[mcp_servers.opa-mcp.env]
OPA_URL = "<your OPA_URL>"
OPA_TOKEN = "<your OPA_TOKEN>"
GITHUB_TOKEN = "<your GITHUB_TOKEN>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "opa-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@orygn/opa-mcp"
      ],
      "env": {
        "OPA_URL": "<your OPA_URL>",
        "OPA_TOKEN": "<your OPA_TOKEN>",
        "OPA_BINARY": "<your OPA_BINARY>",
        "REGAL_BINARY": "<your REGAL_BINARY>",
        "CONFTEST_BINARY": "<your CONFTEST_BINARY>",
        "OPA_MCP_ALLOWED_PATHS": "<your OPA_MCP_ALLOWED_PATHS>",
        "GITHUB_TOKEN": "<your GITHUB_TOKEN>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

Docker image

{
  "mcpServers": {
    "opa-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/orygn/opa-mcp:0.9.0"
      ],
      "env": {
        "OPA_URL": "<your OPA_URL>",
        "OPA_TOKEN": "<your OPA_TOKEN>",
        "GITHUB_TOKEN": "<your GITHUB_TOKEN>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "opa-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@orygn/opa-mcp"
      ],
      "env": {
        "OPA_URL": "<your OPA_URL>",
        "OPA_TOKEN": "<your OPA_TOKEN>",
        "OPA_BINARY": "<your OPA_BINARY>",
        "REGAL_BINARY": "<your REGAL_BINARY>",
        "CONFTEST_BINARY": "<your CONFTEST_BINARY>",
        "OPA_MCP_ALLOWED_PATHS": "<your OPA_MCP_ALLOWED_PATHS>",
        "GITHUB_TOKEN": "<your GITHUB_TOKEN>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

Docker image

{
  "mcpServers": {
    "opa-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/orygn/opa-mcp:0.9.0"
      ],
      "env": {
        "OPA_URL": "<your OPA_URL>",
        "OPA_TOKEN": "<your OPA_TOKEN>",
        "GITHUB_TOKEN": "<your GITHUB_TOKEN>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "opa-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@orygn/opa-mcp"
      ],
      "env": {
        "OPA_URL": "<your OPA_URL>",
        "OPA_TOKEN": "<your OPA_TOKEN>",
        "OPA_BINARY": "<your OPA_BINARY>",
        "REGAL_BINARY": "<your REGAL_BINARY>",
        "CONFTEST_BINARY": "<your CONFTEST_BINARY>",
        "OPA_MCP_ALLOWED_PATHS": "<your OPA_MCP_ALLOWED_PATHS>",
        "GITHUB_TOKEN": "<your GITHUB_TOKEN>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

Docker image

{
  "servers": {
    "opa-mcp": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/orygn/opa-mcp:0.9.0"
      ],
      "env": {
        "OPA_URL": "<your OPA_URL>",
        "OPA_TOKEN": "<your OPA_TOKEN>",
        "GITHUB_TOKEN": "<your GITHUB_TOKEN>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "opa-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@orygn/opa-mcp"
      ],
      "env": {
        "OPA_URL": "<your OPA_URL>",
        "OPA_TOKEN": "<your OPA_TOKEN>",
        "OPA_BINARY": "<your OPA_BINARY>",
        "REGAL_BINARY": "<your REGAL_BINARY>",
        "CONFTEST_BINARY": "<your CONFTEST_BINARY>",
        "OPA_MCP_ALLOWED_PATHS": "<your OPA_MCP_ALLOWED_PATHS>",
        "GITHUB_TOKEN": "<your GITHUB_TOKEN>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

Docker image

{
  "mcpServers": {
    "opa-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/orygn/opa-mcp:0.9.0"
      ],
      "env": {
        "OPA_URL": "<your OPA_URL>",
        "OPA_TOKEN": "<your OPA_TOKEN>",
        "GITHUB_TOKEN": "<your GITHUB_TOKEN>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "opa-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@orygn/opa-mcp"
      ],
      "env": {
        "OPA_URL": "<your OPA_URL>",
        "OPA_TOKEN": "<your OPA_TOKEN>",
        "OPA_BINARY": "<your OPA_BINARY>",
        "REGAL_BINARY": "<your REGAL_BINARY>",
        "CONFTEST_BINARY": "<your CONFTEST_BINARY>",
        "OPA_MCP_ALLOWED_PATHS": "<your OPA_MCP_ALLOWED_PATHS>",
        "GITHUB_TOKEN": "<your GITHUB_TOKEN>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

Docker image

{
  "mcpServers": {
    "opa-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/orygn/opa-mcp:0.9.0"
      ],
      "env": {
        "OPA_URL": "<your OPA_URL>",
        "OPA_TOKEN": "<your OPA_TOKEN>",
        "GITHUB_TOKEN": "<your GITHUB_TOKEN>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

ALTERNATIVES

When to choose another server

Other servers by orygnscode

Omnicord - Discord server management MCP for AI agents#6,020

View all orygnscode servers →

No task-specific alternatives are catalogued for OPA MCPyet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: May 6, 2026
Latest version published: Oct 6, 2026
Version history: 11 versions tracked (below)
Requirements evidence: Declared by Glama, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Oct 16, 2026

Registry sightings

Official MCP ↗listed since May 10, 2026 · still listed
PulseMCP ↗listed since Jun 4, 2026 · still listed
Glama ↗listed since Jun 4, 2026 · still listed

Do you maintain OPA MCP? to correct or enrich this profile.

VERSIONS

Available versions (11)

Version	Published
0.9.0	Oct 6, 2026
0.8.0	Sep 28, 2026
0.7.0	Sep 26, 2026
0.6.0	Sep 7, 2026
0.5.0	Sep 5, 2026
0.4.0	Sep 3, 2026
0.3.0	Aug 5, 2026
0.2.1	Jun 25, 2026
0.2.0	Jun 13, 2026
0.1.3	May 20, 2026
0.1.1	May 10, 2026

STANDING

#3,755of 144,396 active serversTop 5%

Ranks ahead of 140,641 of 144,396 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.OrygnsCode%2Fopa-mcp.svg)](https://mcptoplist.com/server/io.github.OrygnsCode%2Fopa-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.OrygnsCode%2Fopa-mcp"><img src="https://mcptoplist.com/badge/io.github.OrygnsCode%2Fopa-mcp.svg" alt="MCP Toplist: Top 5% of 144,396" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains OPA MCP?: OPA MCP is maintained by orygnscode, which publishes 2 MCP servers (20 total versions) tracked on MCP Toplist.
Is OPA MCP listed on the Official MCP Registry?: Yes — OPA MCP is listed on the Official MCP Registry, alongside PulseMCP and Glama.
How many versions does OPA MCP have?: MCP Toplist tracks 11 versions of OPA MCP, most recently published on Oct 6, 2026.
Where can I find the source code for OPA MCP?: The source code for OPA MCP is hosted at github.com/orygnscode/opa-mcp-server.

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