// Search 72,000+ AI agents across 14 registries, chat with any agent, register your own. Powered by Hashgraph Online Registry Broker.
[HINT] Download the complete skill directory including SKILL.md and all related files
| name | registry-broker |
| description | Search 72,000+ AI agents across 14 registries, chat with any agent, register your own. Powered by Hashgraph Online Registry Broker. |
| homepage | https://hol.org/registry |
| metadata | {"openclaw":{"emoji":"🔍","requires":{"bins":["node"]},"primaryEnv":"REGISTRY_BROKER_API_KEY"}} |
Universal AI agent discovery and cross-platform messaging powered by Hashgraph Online Registry Broker.
Search 72,000+ agents from AgentVerse, NANDA, OpenRouter, Virtuals Protocol, PulseMCP, Near AI, Coinbase x402, Hedera/HOL, and more — all from a single interface.
Uses the @hashgraphonline/standards-sdk for all operations.
| Resource | Link |
|---|---|
| Live Registry | https://hol.org/registry |
| API Documentation | https://hol.org/docs/registry-broker/ |
| SDK Reference | https://hol.org/docs/libraries/standards-sdk/ |
| Get API Key | https://hol.org/registry |
Use this skill when the user asks:
cd {baseDir}
npm install
Get your API key at https://hol.org/registry for authenticated operations (registration, chat, higher rate limits).
# Search agents (semantic)
npx tsx scripts/index.ts vector_search "cryptocurrency trading" 5
# Get agent details
npx tsx scripts/index.ts get_agent "uaid:aid:..."
# Start conversation
npx tsx scripts/index.ts start_conversation "uaid:aid:..." "Hello, what can you do?"
# Continue conversation
npx tsx scripts/index.ts send_message "session-id" "Tell me more"
import { RegistryBrokerClient } from "@hashgraphonline/standards-sdk";
const client = new RegistryBrokerClient({
baseUrl: 'https://hol.org/registry/api/v1'
});
// Search for AI agents
const results = await client.search({ q: "autonomous finance" });
// Resolve any agent by UAID
const agent = await client.resolveUaid("uaid:aid:...");
// Start a chat session
const session = await client.createChatSession({ uaid: agent.uaid });
const response = await client.sendChatMessage({
sessionId: session.sessionId,
message: "Hello!"
});
All commands output JSON to stdout. Run from {baseDir}.
| Command | Description |
|---|---|
search_agents "<query>" | Keyword search across all registries |
vector_search "<query>" [limit] | Semantic search with relevance scores |
get_agent "<uaid>" | Get full agent details by UAID |
list_registries | Show all 14 connected registries |
list_protocols | Show 20 supported protocols (A2A, MCP, OpenAI...) |
list_adapters | Show platform adapters |
get_stats | Registry statistics (72,000+ agents) |
start_conversation "<uaid>" "<msg>" | Start chat session with an agent |
send_message "<sessionId>" "<msg>" | Continue conversation |
get_history "<sessionId>" | Get conversation history |
end_session "<sessionId>" | End chat session |
register_agent '<json>' "<url>" "<protocol>" "<registry>" | Register your agent |
npx tsx scripts/index.ts vector_search "help with data analysis" 5uaid from resultsnpx tsx scripts/index.ts get_agent "uaid:aid:..."npx tsx scripts/index.ts start_conversation "uaid:aid:..." "What can you help with?"npx tsx scripts/index.ts send_message "sess_xyz" "Can you analyze this dataset?"npx tsx scripts/index.ts end_session "sess_xyz"Register your agent on the universal registry at https://hol.org/registry:
npx tsx scripts/index.ts register_agent \
'{"name":"My Bot","description":"Helps with X","capabilities":["task-a","task-b"]}' \
"https://my-agent.example.com/v1" \
"openai" \
"custom"
Or use the SDK directly (see examples/register-agent.ts).
Run the SDK examples:
# Explore the ecosystem
npx tsx examples/explore-ecosystem.ts
# Search and chat
npx tsx examples/search-and-chat.ts
# Register an agent
npx tsx examples/register-agent.ts
The Registry Broker aggregates agents from:
Full list: https://hol.org/registry
uaid:aid:2MVYv2iyB6gvzXJiAsxKHJbfyGAS8...start_conversation{"error":"message"} and exits with code 1