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Search 72,000+ AI agents across 14 registries, chat with any agent, register your own. Powered by Hashgraph Online Registry Broker.
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.
Based on SOC occupation classification
Persistent memory system for AI agents following Model Context Protocol (MCP). Use for storing long-term memories across sessions, semantic search of past knowledge, building knowledge graphs, auto-injecting context, deduplicating memories, syncing to cloud storage. Essential for agents that need to remember decisions, solutions, preferences, and learned patterns over time.
Persistent memory system for AI agents following Model Context Protocol (MCP). Use for storing long-term memories across sessions, semantic search of past knowledge, building knowledge graphs, auto-injecting context, deduplicating memories, syncing to cloud storage. Essential for agents that need to remember decisions, solutions, preferences, and learned patterns over time.
Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers. Use when designing new APIs, reviewing API specifications, or establishing API design standards.
API design principles and decision-making. REST vs GraphQL vs tRPC selection, response formats, versioning, pagination.
Complete App Store Optimization (ASO) toolkit for researching, optimizing, and tracking mobile app performance on Apple App Store and Google Play Store
Create SEO-optimized marketing content with consistent brand voice. Includes brand voice analyzer, SEO optimizer, content frameworks, and social media templates. Use when writing blog posts, creating social media content, analyzing brand voice, optimizing SEO, planning content calendars, or when user mentions content creation, brand voice, SEO optimization, social media marketing, or content strategy.
| 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