create_vector_index_hash · Redis MCP Server MCP

WHAT IT DOES

What create_vector_index_hash does on Redis MCP Server

AI agents use create_vector_index_hash to create or update resources in Redis MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Redis MCP Server environment.

WHY IT NEEDS A POLICY

Why create_vector_index_hash needs a policy

This tool creates a new data structure (vector index) in Redis, which is a reversible write operation. It does not execute arbitrary code, delete data, or move funds. While it modifies Redis state, the operation can be undone by deleting the index.

From the tool's definition Tool name 'create_vector_index_hash' indicates creation of a new vector index structure in Redis. Server description confirms support for 'vector search' and the ability to 'manage...data in Redis'.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_vector_index_hash Rate-limited

create_vector_index_hash stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_vector_index_hash": {
      "limits": [
        {
          "counter": "create_vector_index_hash_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Redis MCP Server, so you can run agents against it safely.

FAQ

Questions about create_vector_index_hash

What does the create_vector_index_hash tool do? +

create_vector_index_hash. It is categorised as a Write tool in the Redis MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_vector_index_hash? +

Register the Redis MCP Server MCP server in PolicyLayer and add a rule for create_vector_index_hash: 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 Redis MCP Server. Nothing to install.

What risk level is create_vector_index_hash? +

create_vector_index_hash is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_vector_index_hash? +

Yes. Add a rate_limit block to the create_vector_index_hash 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 create_vector_index_hash completely? +

Set action: deny in the PolicyLayer policy for create_vector_index_hash. 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 create_vector_index_hash? +

create_vector_index_hash is provided by the Redis MCP Server MCP server (yuchenhui/mcp-redis). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.