Vertex AI Search Data Store tool (in Agent Studio) Agent Search MCP Server
Legacy names Vertex AI Search Data Store tool (in Agent Studio), Vertex AI Search MCP server
Model Context Protocol (MCP) server exposing enterprise data stores to AI agents.
Naming timeline
- Vertex AI Search Data Store tool (in Agent Studio)
Built-in data store grounding tool inside Vertex AI Studio / Agent Studio.
- Agent Search MCP ServerCurrent name
Standardized around Model Context Protocol (MCP) at https://discoveryengine.googleapis.com/mcp (Public Preview in release notes on 2026-02-05; GA on 2026-04-22).
What is Vertex AI Search Data Store tool (in Agent Studio) called now?
Vertex AI Search Data Store tool (in Agent Studio) is now called Agent Search MCP Server, with the latest change in November 2025. Earlier names covered by this entry also include Vertex AI Search MCP server. Model Context Protocol (MCP) server exposing enterprise data stores to AI agents. Only the customer-facing name changed; the underlying technical identifiers remain backward compatible.
Technical identifiers
Technical identifiers unchanged. Only the customer-facing product name changed; the APIs, CLI commands, IAM roles and Terraform resources below keep their legacy identifiers for backward compatibility.
| REST / gRPC APIs | discoveryengine.googleapis.com |
|---|---|
| IAM Predefined Roles | roles/discoveryengine.* |
MCP endpoint at https://discoveryengine.googleapis.com/mcp.
Notes & disambiguation
- Listed as discoveryengine.googleapis.com in Agent Registry; launched in Public Preview on 2026-02-05 as Vertex AI Search MCP server and reached General Availability (GA) on 2026-04-22 as Agent Search MCP server at https://discoveryengine.googleapis.com/mcp.
Sources & official documentation
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