memory_batch_update_records · Awslabs Valkey MCP

WHAT IT DOES

What memory_batch_update_records does on Awslabs Valkey

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

WHY IT NEEDS A POLICY

Why memory_batch_update_records needs a policy

This tool modifies data in a cache/memory store. While the description is empty (reducing confidence slightly), the name unambiguously indicates batch write operations. The severity is high because batch updates affecting multiple cache records could impact application data consistency and availability if misused by an agent.

From the tool's definition Tool name 'memory_batch_update_records' explicitly indicates batch updating of records in a memory/cache system (ElastiCache/MemoryDB Valkey). The 'update' verb and 'batch' scope indicate write operations affecting multiple records.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

memory_batch_update_records Rate-limited

memory_batch_update_records 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": {
    "memory_batch_update_records": {
      "limits": [
        {
          "counter": "memory_batch_update_records_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 Awslabs Valkey, so you can run agents against it safely.

FAQ

Questions about memory_batch_update_records

What does the memory_batch_update_records tool do? +

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

How do I enforce a policy on memory_batch_update_records? +

Register the Awslabs Valkey MCP server in PolicyLayer and add a rule for memory_batch_update_records: 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 Awslabs Valkey. Nothing to install.

What risk level is memory_batch_update_records? +

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

Can I rate-limit memory_batch_update_records? +

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

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

memory_batch_update_records is provided by the Awslabs Valkey MCP server (awslabs.valkey-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.