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

🏆 Score HOL Points

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• 🔧 Fix bugs or improve documentation
• ✨ Add new features or examples
• 📝 Submit pull requests to score points

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License

Apache-2.0