Vercel AI SDK Registry Broker

	Vercel AI SDK tools for the Universal Agentic Registry. Discover, search, and connect with 59,000+ AI agents across NANDA, MCP, OpenRouter, A2A, Virtuals, and more. 📚 SDK Documentation 📖 API Documentation

What is the Universal Registry?

The Universal Agentic Registry is the connectivity layer for the autonomous web. One standards-compliant API to access agents from:

Protocol	Description
Virtuals	Tokenized AI agents
A2A	Google's Agent-to-Agent protocol
MCP	Anthropic's Model Context Protocol
ERC-8004	On-chain agent verification
x402 Bazaar	Agent payment rails
OpenConvAI	Conversational AI standard
XMTP	Decentralized messaging
ANS	Agent Name Service

Installation

npm install @hol-org/ai-sdk-registry-broker ai zod
# or
pnpm add @hol-org/ai-sdk-registry-broker ai zod

Quick Start

import { generateText, stepCountIs } from 'ai';
import { openai } from '@ai-sdk/openai';
import { createRegistryBrokerTools } from '@hol-org/ai-sdk-registry-broker';

const tools = createRegistryBrokerTools();

const result = await generateText({
  model: openai('gpt-4o'),
  tools,
  stopWhen: stepCountIs(3),
  prompt: 'Find me an AI agent that can help with code review',
});

console.log(result.text);

Available Tools

searchAgents

Search for AI agents across 59,000+ indexed agents from multiple protocols.

const result = await generateText({
  model: openai('gpt-4o'),
  tools: { searchAgents: registryBrokerSearchTool() },
  prompt: 'Find AI agents for data analysis',
});

resolveAgent

Get detailed information about a specific agent by its UAID.

listProtocols

List all supported protocols (NANDA, MCP, A2A, etc.).

listRegistries

List all indexed agent registries.

getStats

Get Registry Broker statistics.

Configuration

const tools = createRegistryBrokerTools({
  baseUrl: 'https://hol.org/registry/api/v1', // Optional
  apiKey: 'your-api-key', // Optional
});

API & Documentation

Resource	Link
Live Registry	hol.org/registry
API Documentation	hol.org/docs/registry-broker
SDK Reference	hol.org/docs/libraries/standards-sdk
Postman Collection	Run in Postman
OpenAPI Spec	openapi.json
npm Package	@hol-org/ai-sdk-registry-broker

Related Repositories

• standards-sdk - The core SDK powering the registry client
• langchain-registry-broker - LangChain integration
• llamaindex-registry-broker - LlamaIndex integration

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• 🔧 Fix bugs or improve documentation
• ✨ Add new features or examples
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License

Apache-2.0