Authorization answers from real policy code: evaluate Rego locally, or ask an AuthZEN 1.0 PDP.
To add mcp-opa-authz to Claude, run the install command below. Restart Claude Code after adding it and its tools show up in your next conversation. It needs 5 environment variables, listed below.
Install
docker run -i --rm ghcr.io/kanywst/mcp-opa-authz:0.6.2Environment variables
AUTHZEN_PDP_URLSet in your MCP configAUTHZEN_PDP_TOKENSet in your MCP configAUTHZEN_PDP_TIMEOUTSet in your MCP configMCP_OPA_EVAL_TIMEOUTSet in your MCP configMCP_OPA_ALLOW_NETWORK_BUILTINSSet in your MCP configWhat this does
mcp-opa-authz exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
AUTHZEN_PDP_URL AUTHZEN_PDP_TOKEN AUTHZEN_PDP_TIMEOUT MCP_OPA_EVAL_TIMEOUT MCP_OPA_ALLOW_NETWORK_BUILTINS
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install mcp-opa-authz?
The install section on this page carries the maker's install command for mcp-opa-authz, as submitted. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with mcp-opa-authz?
This page carries setup and config for Claude Code. Any other MCP client that accepts a standard server config can connect to mcp-opa-authz as well.
Does mcp-opa-authz need an API key?
Yes. Before it can run, set these environment variables: AUTHZEN_PDP_URL, AUTHZEN_PDP_TOKEN, AUTHZEN_PDP_TIMEOUT, MCP_OPA_EVAL_TIMEOUT, MCP_OPA_ALLOW_NETWORK_BUILTINS. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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