update_schedule_state

WHAT IT DOES

What update_schedule_state does on Amazon Bedrock Knowledge Base Retrieval MCP Server

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

THE RISK

Medium Risk

Why update_schedule_state needs a policy

The name strongly suggests this tool modifies (writes to) a schedule's state. Without a description, we cannot determine if the change is reversible, but 'update' typically implies a reversible Write operation rather than irreversible deletion. Given the context of AWS Bedrock services and scheduling operations, this likely modifies configuration or state metadata.

From the tool's definition Tool name 'update_schedule_state' indicates modification of a schedule's state. The description is empty, providing no additional context.

Documented attack patterns abuse exactly the kind of access update_schedule_state gives an agent:

POLICY

How to control update_schedule_state

PolicyLayer is an MCP gateway — it sits between your AI agents and Amazon Bedrock Knowledge Base Retrieval MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for update_schedule_state:

policy.json

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

update_schedule_state 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.

Create a free account and register Amazon Bedrock Knowledge Base Retrieval MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

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EXPLORE

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Rate Limiting MCP Tool Calls: A Practical Guide →
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PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about update_schedule_state

What does the update_schedule_state tool do? +

update_schedule_state. It is categorised as a Write tool in the Amazon Bedrock Knowledge Base Retrieval 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 update_schedule_state? +

Register the Amazon Bedrock Knowledge Base Retrieval MCP Server MCP server in PolicyLayer and add a rule for update_schedule_state: 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 Amazon Bedrock Knowledge Base Retrieval MCP Server. Nothing to install.

What risk level is update_schedule_state? +

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

Can I rate-limit update_schedule_state? +

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

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

update_schedule_state is provided by the Amazon Bedrock Knowledge Base Retrieval MCP Server MCP server (awslabs.bedrock-kb-retrieval-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Amazon Bedrock Knowledge Base Retrieval MCP Server tool call.

Start from Amazon Bedrock Knowledge Base Retrieval MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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