create_graphql_api | PolicyLayer

WHAT IT DOES

What create_graphql_api does on Amazon Bedrock Knowledge Base Retrieval MCP Server

AI agents use create_graphql_api 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 create_graphql_api needs a policy

The tool creates a GraphQL API, which is a reversible infrastructure modification. This falls under Write rather than Execute because it provisions a resource rather than running arbitrary code. Confidence is moderate (0.55) due to the empty description providing no concrete detail about scope, permissions, or whether it might have destructive side effects (e.g., replacing an existing API).

From the tool's definition Tool name 'create_graphql_api' indicates creation/provisioning of an API resource. Despite empty description, naming pattern aligns with Write operations (create*) that modify infrastructure.

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

POLICY

How to control create_graphql_api

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 create_graphql_api:

policy.json

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

create_graphql_api 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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PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about create_graphql_api

What does the create_graphql_api tool do? +

create_graphql_api. 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 create_graphql_api? +

Register the Amazon Bedrock Knowledge Base Retrieval MCP Server MCP server in PolicyLayer and add a rule for create_graphql_api: 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 create_graphql_api? +

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

Can I rate-limit create_graphql_api? +

Yes. Add a rate_limit block to the create_graphql_api 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_graphql_api completely? +

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

create_graphql_api 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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805 Amazon Bedrock Knowledge Base Retrieval MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.