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Cerbos (Access Control) MCP Server for Claude CodeGive Claude Code instant access to 19 tools to Add Policy, Add Schema, Authzen Evaluation, and more

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Claude Code is Anthropic's agentic CLI for terminal-first development. Add Cerbos (Access Control) as an MCP server in one command and Claude Code will discover every tool at runtime. ideal for automation pipelines, CI/CD integration, and headless workflows via Vinkius.

Ask AI about this MCP Server for Claude Code

The Cerbos (Access Control) MCP Server for Claude Code is a standout in the Developer Tools category — giving your AI agent 19 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

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Classic Setup·bash
# Your Vinkius token. get it at cloud.vinkius.com
claude mcp add cerbos-access-control --transport http "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
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The modern way to manage MCP Servers — no config files, no terminal commands. Install Cerbos (Access Control) and 4,000+ MCP Servers from a single visual interface.

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Cerbos (Access Control)
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Cerbos (Access Control) MCP Server

Connect your Cerbos instance to any AI agent to streamline authorization management and policy auditing through natural language.

Claude Code registers Cerbos (Access Control) as an MCP server in a single terminal command. Once connected, Claude Code discovers all 19 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where Cerbos (Access Control) data drives decisions without human intervention.

What you can do

  • Permission Checks — Use check_resources to evaluate if a principal (user) has the rights to perform specific actions on resources.
  • Query Planning — Generate AST query plans with plan_resources to filter database results based on complex authorization logic.
  • Policy Management — List, retrieve, add, or delete policies (RBAC/ABAC) using the Admin API tools like list_policies and add_policy.
  • Schema & Auditing — Inspect resource schemas and review access logs with list_auditLogs to ensure compliance.
  • Health & Metrics — Monitor your PDP (Policy Decision Point) status with get_health and get_metrics directly from the chat.

The Cerbos (Access Control) MCP Server exposes 19 tools through the Vinkius. Connect it to Claude Code in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 19 Cerbos (Access Control) tools available for Claude Code

When Claude Code connects to Cerbos (Access Control) through Vinkius, your AI agent gets direct access to every tool listed below — spanning authorization, rbac, abac, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

add

Add policy on Cerbos (Access Control)

Add a new policy

add

Add schema on Cerbos (Access Control)

Add or update a schema

authzen

Authzen evaluation on Cerbos (Access Control)

Perform a single AuthZEN access evaluation

authzen

Authzen evaluations on Cerbos (Access Control)

Perform batch AuthZEN access evaluations

check

Check resources on Cerbos (Access Control)

Check permissions for a set of resources

delete

Delete policy on Cerbos (Access Control)

Delete a policy by ID

disable

Disable policy on Cerbos (Access Control)

Disable a policy

enable

Enable policy on Cerbos (Access Control)

Enable a policy

get

Get authzen config on Cerbos (Access Control)

Get AuthZEN configuration metadata

get

Get health on Cerbos (Access Control)

Get Cerbos health status

get

Get metrics on Cerbos (Access Control)

Get Prometheus metrics from Cerbos

get

Get policy on Cerbos (Access Control)

Get a specific policy by ID

get

Get schema on Cerbos (Access Control)

Get a specific schema by ID

get

Get server info on Cerbos (Access Control)

Get Cerbos server version and build information

list

List audit logs on Cerbos (Access Control)

List audit logs

list

List policies on Cerbos (Access Control)

List all policies

list

List schemas on Cerbos (Access Control)

List all schemas

plan

Plan resources on Cerbos (Access Control)

Produce a query plan (AST) for filtering resources

update

Update policy on Cerbos (Access Control)

Update an existing policy

Connect Cerbos (Access Control) to Claude Code via MCP

Follow these steps to wire Cerbos (Access Control) into Claude Code. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

01

Install Claude Code

Run npm install -g @anthropic-ai/claude-code if not already installed
02

Add the MCP Server

Run the command above in your terminal
03

Verify the connection

Run claude mcp to list connected servers, or type /mcp inside a session
04

Start using Cerbos (Access Control)

Ask Claude: "Using Cerbos (Access Control), show me...". 19 tools are ready

Why Use Claude Code with the Cerbos (Access Control) MCP Server

Claude Code provides unique advantages when paired with Cerbos (Access Control) through the Model Context Protocol.

01

Single-command setup: `claude mcp add` registers the server instantly. no config files to edit or applications to restart

02

Terminal-native workflow means MCP tools integrate seamlessly into shell scripts, CI/CD pipelines, and automated DevOps tasks

03

Claude Code runs headlessly, enabling unattended batch processing using Cerbos (Access Control) tools in cron jobs or deployment scripts

04

Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features

Cerbos (Access Control) + Claude Code Use Cases

Practical scenarios where Claude Code combined with the Cerbos (Access Control) MCP Server delivers measurable value.

01

CI/CD integration: embed Cerbos (Access Control) tool calls in your deployment pipeline to validate configurations or fetch secrets before shipping

02

Headless batch processing: schedule Claude Code to query Cerbos (Access Control) nightly and generate reports without human intervention

03

Shell scripting: pipe Cerbos (Access Control) outputs into other CLI tools for data transformation, filtering, and aggregation

04

Infrastructure monitoring: run Claude Code in a cron job to query Cerbos (Access Control) status endpoints and alert on anomalies

Example Prompts for Cerbos (Access Control) in Claude Code

Ready-to-use prompts you can give your Claude Code agent to start working with Cerbos (Access Control) immediately.

01

"Check if user 'user_123' with role 'admin' can 'delete' the resource 'document:abc'."

02

"Show me the health status and version of my Cerbos server."

03

"List all policies and tell me if there are any for the 'expense' resource."

Troubleshooting Cerbos (Access Control) MCP Server with Claude Code

Common issues when connecting Cerbos (Access Control) to Claude Code through Vinkius, and how to resolve them.

01

Command not found: claude

Ensure Claude Code is installed globally: npm install -g @anthropic-ai/claude-code
02

Connection timeout

Check your internet connection and verify the Edge URL is reachable

Cerbos (Access Control) + Claude Code FAQ

Common questions about integrating Cerbos (Access Control) MCP Server with Claude Code.

01

How do I add an MCP server to Claude Code?

Run claude mcp add --transport http "" in your terminal. Claude Code registers the server and discovers all tools immediately.
02

Can Claude Code run MCP tools in headless mode?

Yes. Claude Code supports non-interactive execution, making it ideal for scripts, cron jobs, and CI/CD pipelines that need MCP tool access.
03

How do I list all connected MCP servers?

Run claude mcp in your terminal to see all registered servers and their status, or type /mcp inside an active Claude Code session.

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