Agentreg is a self-hosted registry that facilitates AI agents in discovering one another by their capabilities. It offers health checks and trust assessments, enabling seamless integration and communication between multiple agents. Simple to set up with a single Go binary, it scales from local to large deployments without the need for cloud services.
agentreg: A Self-Hosted DNS for AI Agents
agentreg serves as a crucial infrastructure layer for AI agents, offering a self-hosted registry that facilitates agent discovery based on capabilities, while incorporating health and trust features. The application is designed as a single binary executable, requiring no cloud, accounts, or complex configurations, making it suitable for both individual developers and organizations.
Key Features
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Capability-Based Discovery: Unlike traditional service discovery methods, agentreg allows agents to locate each other based on their capabilities, enabling flexible integration without hard-coded endpoints.
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Integrated Health Checks: Each registered agent undergoes regular health monitoring. This proactive approach ensures that any failures are identified promptly, allowing for efficient troubleshooting before any downstream issues arise.
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Self-Hosting: Complete control over the registry is maintained, as agentreg operates entirely on local hardware. No data is sent to the cloud, aligning with privacy and security best practices.
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Scalability: Designed to perform efficiently even with a small number of agents, agentreg scales seamlessly to support larger deployments as needs grow, from a few agents to numerous instances.
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Trust Framework: Although currently in development, future iterations are set to include a verification layer enabling trust assessments of agents, thus enhancing security and reliability within the system.
Getting Started
The following commands provide a simple introduction to using agentreg:
# Start the agent registry
gentctl serve &
# Register agents with specific capabilities
agentctl register search-agent -c search -e http://localhost:3000
agentctl register db-agent -c db-read -e http://localhost:3001
agentctl register product-api -c api,email -e http://localhost:3002
# List all registered agents with their health status
agentctl list
# Discover agents based on capabilities
gentctl find search
Example output from agentctl list:
NAME CAPABILITIES STATUS SOURCE LAST HEARTBEAT ENDPOINT
db-agent db-read unhealthy local just now http://localhost:3001
product-api api,email healthy local just now http://localhost:3002
search-agent search healthy local just now http://localhost:3000
Why Choose agentreg?
agentreg addresses common challenges faced by developers when managing multiple AI agents. By providing a unified platform for agent discovery and health monitoring, it reduces the overhead associated with manual configurations and endpoint management.
Comparison to Alternatives
| Feature | agentreg | MCP Registry | Consul | ANS (IETF) |
|---|---|---|---|---|
| Self-hosted, no cloud dependency | ✅ | ❌ (cloud) | ✅ | ~ (ref impl) |
| Capability-based discovery | ✅ | ✅ | ~ | ✅ |
| Health checks built in | ✅ | ❌ | ✅ | ❌ |
| Single binary, 30-second setup | ✅ | n/a | ❌ | ❌ |
| Cross-org trust / verification | 🔜 (pluggable) | ❌ | ❌ | ✅ |
| Purpose-built for agents/MCP | ✅ | ✅ | ❌ | ✅ |
Roadmap
The future of agentreg includes enhancements such as:
- Development of pluggable verification methods to build a trust framework.
- Expansion into registry federation capabilities for multi-system integrations.
- Additional utilities such as command-line interfaces for live listing and diagnosis.
By integrating these features, agentreg aims to become a foundational tool for developers working with AI agents.
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