Cerbos (Access Control) MCP Server for Vercel AI SDKGive Vercel AI SDK instant access to 19 tools to Add Policy, Add Schema, Authzen Evaluation, and more
GDPR Free for SubscribersThe Vercel AI SDK is the TypeScript toolkit for building AI-powered applications. Connect Cerbos (Access Control) through Vinkius and every tool is available as a typed function. ready for React Server Components, API routes, or any Node.js backend.
Ask AI about this MCP Server for Vercel AI SDK
The Cerbos (Access Control) MCP Server for Vercel AI SDK is a standout in the Developer Tools category — giving your AI agent 19 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
Geminiimport { createMCPClient } from "@ai-sdk/mcp";
import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";
async function main() {
const mcpClient = await createMCPClient({
transport: {
type: "http",
// Your Vinkius token. get it at cloud.vinkius.com
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
});
try {
const tools = await mcpClient.tools();
const { text } = await generateText({
model: openai("gpt-4o"),
tools,
prompt: "Using Cerbos (Access Control), list all available capabilities.",
});
console.log(text);
} finally {
await mcpClient.close();
}
}
main();
* 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.
The Vercel AI SDK gives every Cerbos (Access Control) tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 19 tools through Vinkius and stream results progressively to React, Svelte, or Vue components. works on Edge Functions, Cloudflare Workers, and any Node.js runtime.
What you can do
- Permission Checks — Use
check_resourcesto evaluate if a principal (user) has the rights to perform specific actions on resources. - Query Planning — Generate AST query plans with
plan_resourcesto 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_policiesandadd_policy. - Schema & Auditing — Inspect resource schemas and review access logs with
list_auditLogsto ensure compliance. - Health & Metrics — Monitor your PDP (Policy Decision Point) status with
get_healthandget_metricsdirectly from the chat.
The Cerbos (Access Control) MCP Server exposes 19 tools through the Vinkius. Connect it to Vercel AI SDK 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 Vercel AI SDK
When Vercel AI SDK 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 policy on Cerbos (Access Control)
Add a new policy
Add schema on Cerbos (Access Control)
Add or update a schema
Authzen evaluation on Cerbos (Access Control)
Perform a single AuthZEN access evaluation
Authzen evaluations on Cerbos (Access Control)
Perform batch AuthZEN access evaluations
Check resources on Cerbos (Access Control)
Check permissions for a set of resources
Delete policy on Cerbos (Access Control)
Delete a policy by ID
Disable policy on Cerbos (Access Control)
Disable a policy
Enable policy on Cerbos (Access Control)
Enable a policy
Get authzen config on Cerbos (Access Control)
Get AuthZEN configuration metadata
Get health on Cerbos (Access Control)
Get Cerbos health status
Get metrics on Cerbos (Access Control)
Get Prometheus metrics from Cerbos
Get policy on Cerbos (Access Control)
Get a specific policy by ID
Get schema on Cerbos (Access Control)
Get a specific schema by ID
Get server info on Cerbos (Access Control)
Get Cerbos server version and build information
List audit logs on Cerbos (Access Control)
List audit logs
List policies on Cerbos (Access Control)
List all policies
List schemas on Cerbos (Access Control)
List all schemas
Plan resources on Cerbos (Access Control)
Produce a query plan (AST) for filtering resources
Update policy on Cerbos (Access Control)
Update an existing policy
Connect Cerbos (Access Control) to Vercel AI SDK via MCP
Follow these steps to wire Cerbos (Access Control) into Vercel AI SDK. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.
Install dependencies
npm install @ai-sdk/mcp ai @ai-sdk/openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the script
agent.ts and run with npx tsx agent.tsExplore tools
Why Use Vercel AI SDK with the Cerbos (Access Control) MCP Server
Vercel AI SDK provides unique advantages when paired with Cerbos (Access Control) through the Model Context Protocol.
TypeScript-first: every MCP tool gets full type inference, IDE autocomplete, and compile-time error checking out of the box
Framework-agnostic core works with Next.js, Nuxt, SvelteKit, or any Node.js runtime. same Cerbos (Access Control) integration everywhere
Built-in streaming UI primitives let you display Cerbos (Access Control) tool results progressively in React, Svelte, or Vue components
Edge-compatible: the AI SDK runs on Vercel Edge Functions, Cloudflare Workers, and other edge runtimes for minimal latency
Cerbos (Access Control) + Vercel AI SDK Use Cases
Practical scenarios where Vercel AI SDK combined with the Cerbos (Access Control) MCP Server delivers measurable value.
AI-powered web apps: build dashboards that query Cerbos (Access Control) in real-time and stream results to the UI with zero loading states
API backends: create serverless endpoints that orchestrate Cerbos (Access Control) tools and return structured JSON responses to any frontend
Chatbots with tool use: embed Cerbos (Access Control) capabilities into conversational interfaces with streaming responses and tool call visibility
Internal tools: build admin panels where team members interact with Cerbos (Access Control) through natural language queries
Example Prompts for Cerbos (Access Control) in Vercel AI SDK
Ready-to-use prompts you can give your Vercel AI SDK agent to start working with Cerbos (Access Control) immediately.
"Check if user 'user_123' with role 'admin' can 'delete' the resource 'document:abc'."
"Show me the health status and version of my Cerbos server."
"List all policies and tell me if there are any for the 'expense' resource."
Troubleshooting Cerbos (Access Control) MCP Server with Vercel AI SDK
Common issues when connecting Cerbos (Access Control) to Vercel AI SDK through Vinkius, and how to resolve them.
createMCPClient is not a function
npm install @ai-sdk/mcpCerbos (Access Control) + Vercel AI SDK FAQ
Common questions about integrating Cerbos (Access Control) MCP Server with Vercel AI SDK.
How does the Vercel AI SDK connect to MCP servers?
createMCPClient from @ai-sdk/mcp and pass the server URL. The SDK discovers all tools and provides typed TypeScript interfaces for each one.Can I use MCP tools in Edge Functions?
Does it support streaming tool results?
useChat and streamText that handle tool calls and display results progressively in the UI.Explore More MCP Servers
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