hybrid_search

Perform a hybrid search (keyword + vector) on the Azure AI Search index.

SERVERAzure AI Agent Service + Azure AI Search MCP Server SOURCE0lovesakura0/mcp-server-azure-ai-agents-main

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade A, identity unverified Pull the record →

This record as markdown: /tools/0lovesakura0-mcp-server-azure-ai-agents-main/hybrid-search.md

WHAT IT DOES

What hybrid_search does on Azure AI Agent Service + Azure AI Search MCP Server

AI agents call hybrid_search to retrieve information from Azure AI Agent Service + Azure AI Search MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why hybrid_search is rated Low

The tool performs a search operation that retrieves and ranks documents from an index using combined keyword and vector matching. This is a read-only query operation with no side effects, no data creation/modification, no irreversible changes, and no code execution. The blast radius of misuse is limited to information disclosure of indexed documents the user may already have access to.

From the tool's definition Tool name 'hybrid_search' and description 'Perform a hybrid search (keyword + vector) on the Azure AI Search index' indicate querying/retrieval operations without data modification, deletion, or execution of arbitrary code.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hybrid_search safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Azure AI Agent Service + Azure AI Search MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hybrid_search, this is the rule to start with:

hybrid_search Allowed

hybrid_search is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "hybrid_search": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Azure AI Agent Service + Azure AI Search MCP Server, apply this rule, and every hybrid_search call is checked against it from then on.

FAQ

Questions about hybrid_search

What does the hybrid_search tool do? +

Perform a hybrid search (keyword + vector) on the Azure AI Search index. It is categorised as a Read tool in the Azure AI Agent Service + Azure AI Search MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on hybrid_search? +

Register the Azure AI Agent Service + Azure AI Search MCP Server MCP server in PolicyLayer and add a rule for hybrid_search: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Azure AI Agent Service + Azure AI Search MCP Server. Nothing to install.

What risk level is hybrid_search? +

hybrid_search is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit hybrid_search? +

Yes. Add a rate_limit block to the hybrid_search rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block hybrid_search completely? +

Set action: deny in the PolicyLayer policy for hybrid_search. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides hybrid_search? +

hybrid_search is provided by the Azure AI Agent Service + Azure AI Search MCP Server MCP server (0lovesakura0/mcp-server-azure-ai-agents-main). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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