AWS’s August 24, 2026 announcement describes how Agent Registry and the Agentic Resource Discovery specification support discovery across agent environments. The milestone is AWS’s registry integration and explanation, not the original invention of ARD. The AWS post outlines the enterprise workflow.
A curated catalog changes how tools are found
AWS describes registries containing records for agents, MCP servers, tools and other resources, with publication, approval and discovery roles. Records describe a resource and how to reach it. That makes the catalog a managed entry point rather than a list copied into every application’s prompt.
Curation needs an operational owner. Someone must remove stale endpoints, review changed capabilities and decide when an approved record no longer reflects the service behind it. A once-approved description can become misleading after the remote tool adds a new action or changes its data handling.
ARD standardizes discovery rather than execution authority
The ARD specification describes federated discovery and search for agentic resources. The available v0.91 text is marked Proposal, dated August 26. It explicitly separates discovery from authentication and distribution details.
This separation is essential to a safe integration. Finding a matching agent does not establish that the user may invoke it, that its publisher is trusted or that its output is correct. Treat a discovered record as a candidate requiring verification. Keep endpoint authorization in the executing system, where user and resource ownership can be checked.
Evaluate relevance and trust as separate dimensions
A search service may return a tool whose description closely matches the request but whose permissions are inappropriate. Build evaluation cases for both relevance and eligibility. Include similarly named tools, obsolete records and resources that are valid for one workspace but unavailable to another.
Record which version of a resource was selected and why it was eligible. When discovery fails, show that failure rather than quietly choosing an unreviewed endpoint. Dynamic catalogs can reduce manual wiring, but they also increase the importance of publisher identity, change review and visible execution boundaries.
The August AWS milestone is useful for organizations whose agent and tool inventory has outgrown manual configuration. Its value comes from maintaining an accurate, governed catalog and verifying the final connection, not from assuming that a shared discovery format makes every resource interchangeable.