Agent Network System (ANS): A Foundational Hybrid Architecture for Secure AI Agent Ecosystems

Agent Interface Discovery

Universal MCP Server for finding + connecting to agents anywhere on the planet. https://hol.org/mcp

Let All AIs, Know Each Other. The world's first address book and communication network for agents. Enable any Agent to chat, collaborate, and deliver like using WeChat.

Agent Cards define the verifiable identity and capabilities of autonomous agents — binding ENS names to verbs, schemas, x402 entrypoints, and discovery metadata. Strictly validated, ERC-8004 aligned, and built for deterministic interoperability across runtimes and agent networks.

Python Library for AI/LLM Agent Development with UI-Driven Workflows and Actions

AGENIUM — DNS of the Agent Web. Identity, trust & discovery for AI agents. MCP-compatible. agent:// protocol with mTLS, trust scores & capability search.

Nexus-AGI — a public AGI service directory & API registry for autonomous agents. Supports .well-known autodiscovery, OpenAPI schemas, and integration with AI models, tools, and services.

Claude Code slash commands for Universal AI Agent Discovery - search 59,000+ agents, resolve UAIDs, chat with AI agents | https://hol.org

Cursor AI rules for Hashgraph Online development - TypeScript SDK, Registry Broker, AI agents on Hedera | https://hol.org

Reference implementation of the Payelink Agent Discovery Protocol. Discover AI agents published by organizations via standardized registries.

CLAUDE.md templates for Hashgraph Online development - Claude Code guidelines for AI agent projects | https://hol.org

Reference implementation of the Payelink Agent Discovery Protocol. Discover AI agents published by organizations via standardized registries.

🌐 Discover and access over 133 machine-readable APIs for autonomous agents with the Nexus AGI Directory. Fetch, browse, and integrate seamlessly.

Discover AI agents with ALL-AI-AGENTS-MAPS-ROX-Avenus. Explore over 1M AI models and access real-time data through our FastAPI. 🌟🚀

LlamaIndex TypeScript tools for Universal AI Agent Discovery - 59,000+ agents across NANDA, MCP, A2A, Virtuals | https://hol.org

DNS-based Agent Identification and Discovery - Reference Implementation for IETF BANDAID

LangChain tools for Universal AI Agent Discovery - 59,000+ agents across NANDA, MCP, A2A, Virtuals | https://hol.org

Go SDK for the `agent://` protocol — resolve, connect, and serve Agenium agents.

Next.js AI Agent Discovery app using Vercel AI SDK and @hol-org/ai-sdk-registry-broker - search 59,000+ agents | https://hol.org