Generate security-approved IAM policy for Kinesis ESM with scoped permissions. Uses pre-approved templates, not LLM generation.
AI agents use secure_esm_kinesis_policy 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 tool generates (creates/writes) an IAM policy using pre-approved templates. Creating IAM policies is a Write action as it produces a new policy artifact. It is not Destructive, Financial, or Execute. Severity is medium because IAM policies govern access control and a miscreated policy could expand or restrict permissions, though this tool uses pre-approved templates which limits blast radius somewhat.
From the tool's definition Generate security-approved IAM policy for Kinesis ESM with scoped permissions. Uses pre-approved templates, not LLM generation.
Documented attack patterns abuse exactly the kind of access secure_esm_kinesis_policy gives an agent:
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 secure_esm_kinesis_policy:
{
"version": "1",
"default": "deny",
"tools": {
"secure_esm_kinesis_policy": {
"limits": [
{
"counter": "secure_esm_kinesis_policy_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}secure_esm_kinesis_policy 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.
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Generate security-approved IAM policy for Kinesis ESM with scoped permissions. Uses pre-approved templates, not LLM generation. 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.
Register the Amazon Bedrock Knowledge Base Retrieval MCP Server MCP server in PolicyLayer and add a rule for secure_esm_kinesis_policy: 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.
secure_esm_kinesis_policy is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the secure_esm_kinesis_policy 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.
Set action: deny in the PolicyLayer policy for secure_esm_kinesis_policy. 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.
secure_esm_kinesis_policy 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.
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.