What an agent registry is and why you should build one early
When a team runs multiple AI agents, keeping a central list — called an agent registry — of what each agent does helps avoid duplicate work and wasted costs. This post explains why setting one up early makes multi-agent projects much easier to manage.
An agent registry is essentially a catalog: a single place where every AI agent your team has built is listed along with what it does, what inputs it needs, and what it returns. Without it, teams often end up building the same agent twice or having agents accidentally overlap in ways that waste LLM calls.
Building a registry early pays off because it lets you reuse existing agents instead of recreating them, and it helps you spot gaps or redundancies before they become expensive. For anyone managing a growing set of AI agents, a registry is low-effort infrastructure that directly reduces token usage and development overhead.
Key points
- An agent registry is a catalog listing every AI agent your team has, along with its role and how to use it
- Building one early prevents duplicate agents and unnecessary LLM calls, cutting costs
- New team members can quickly find and reuse existing agents instead of rebuilding them
- Helps prevent agents from conflicting with each other, keeping the overall system efficient
Quick term guide
- AI agents
- AI agents are AI tools that can carry out steps toward a goal, not just answer once.
- AI agent
- An AI program that can inspect information and suggest what to do next.
- agent registry
- A central catalog that lists all the AI agents a team has built, including what each one does and how to use it
- multi-agent
- A setup where several AI agents each handle a different subtask and work together to complete a larger goal.
- LLM calls
- Requests sent to an AI language model like ChatGPT or Claude; more calls mean higher costs
- LLM call
- Sending a question or instruction to an AI language model (like ChatGPT or Claude) and receiving its response.
- infrastructure
- The technical systems that keep a website or app running.
- listing
- A property that is officially available for sale on the market.