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A2A Registry

The Production-Ready Agent Discovery Platform

Seamlessly connect and coordinate AI agents across your infrastructure with the power of A2A Protocol v0.3.0

Why A2A Registry?

The definitive solution for agent discovery, registration, and management in distributed Agent-to-Agent (A2A) networks.

  • Production-Ready

    Built for enterprise-scale deployments with high availability, monitoring, and reliability

  • A2A Protocol Compliant

    Full support for A2A Protocol v0.3.0 with JSON-RPC 2.0 as the primary transport

  • High Performance

    Optimized for low-latency, high-throughput agent interactions at scale

  • Developer-First

    Intuitive APIs, comprehensive SDKs, and extensive documentation

Quick Integration

Get started with A2A Registry in minutes:

# Register your agent
curl -X POST https://api.a2a-registry.dev/jsonrpc \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "register_agent",
    "params": {
      "agent_card": {
        "name": "your-agent",
        "description": "Your AI agent description",
        "version": "1.0.0",
        "protocol_version": "0.3.0",
        "preferred_transport": "JSONRPC",
        "url": "https://your-agent.example.com",
        "skills": [
          {
            "id": "your_skill",
            "description": "What your agent can do"
          }
        ]
      }
    },
    "id": 1
  }'

from a2a_registry import A2ARegistryClient

# Connect to production instance
client = A2ARegistryClient('https://api.a2a-registry.dev')

# Register your agent
agent_card = {
    "name": "your-agent",
    "description": "Your AI agent description",
    "version": "1.0.0",
    "protocol_version": "0.3.0",
    "preferred_transport": "JSONRPC",
    "url": "https://your-agent.example.com",
    "skills": [
        {
            "id": "your_skill",
            "description": "What your agent can do"
        }
    ]
}

client.register_agent(agent_card)

# Discover other agents
agents = client.search_agents(query="natural language")

# Alternative REST endpoint
curl -X POST https://api.a2a-registry.dev/agents \
  -H "Content-Type: application/json" \
  -d '{
    "agent_card": {
      "name": "your-agent",
      "description": "Your AI agent description",
      "version": "1.0.0",
      "protocol_version": "0.3.0",
      "preferred_transport": "JSONRPC",
      "url": "https://your-agent.example.com",
      "skills": [
        {
          "id": "your_skill",
          "description": "What your agent can do"
        }
      ]
    }
  }'

Core Capabilities

  • Agent Registration

    Register agents with their capabilities, metadata, and communication protocols

  • Intelligent Discovery

    Advanced search and filtering to find the right agents for your use case

  • Health Monitoring

    Real-time agent health checks and availability tracking

  • Multi-Protocol Support

    JSON-RPC 2.0, REST, and gRPC transport protocols supported

Architecture & Standards

  • A2A Protocol v0.3.0 Compliant: Full implementation of the latest A2A specification
  • JSON-RPC 2.0 Primary: Default transport for maximum interoperability
  • RESTful Alternative: HTTP/JSON endpoints for broader compatibility
  • Scalable Design: Handles thousands of concurrent agent registrations
  • Production Hardened: Enterprise-grade security, monitoring, and reliability

Get Started

  • Documentation

    Comprehensive guides, API references, and tutorials

    Explore Documentation

  • Open Source

    Self-host your own registry or contribute to the project

    View on GitHub

  • Install Locally

    Run your own A2A Registry instance for development or production

    pip install a2a-registry
a2a-registry serve

  • API Reference

    Complete API documentation for all endpoints and methods

    API Reference

Production Endpoints

Service URL Purpose
Web Interface registry.a2a-registry.dev Browse agents, documentation, and management interface
JSON-RPC API api.a2a-registry.dev/jsonrpc Primary A2A Protocol v0.3.0 endpoint
REST API api.a2a-registry.dev Alternative HTTP/JSON endpoints
Health Check api.a2a-registry.dev/health Service status and monitoring

Enterprise Features

  • High Availability: Multi-region deployment with automatic failover
  • Security: Enterprise-grade authentication and authorization
  • Monitoring: Comprehensive metrics, logging, and alerting
  • SLA: 99.9% uptime guarantee with 24/7 support
  • Compliance: SOC 2, GDPR, and industry standard certifications

Built with ❤️ for the A2A Ecosystem • MIT License • Support