AI agents call sam_logs to retrieve information from AWS S3 Tables MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Based on the tool name 'sam_logs' and the context of AWS/MCP tools, this most likely retrieves or queries log data from AWS SAM applications, which would be a Read operation. However, confidence is moderate (0.6) because the description is empty, making it impossible to verify the exact behavior. If the tool actually permits log deletion or modification, the category could shift to Destructive or Write.
From the tool's definition Tool name 'sam_logs' suggests retrieving AWS SAM (Serverless Application Model) logs, which is typically a read operation. The 'logs' suffix indicates data retrieval rather than modification or deletion.
Documented attack patterns abuse exactly the kind of access sam_logs gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and AWS S3 Tables MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for sam_logs:
{
"version": "1",
"default": "deny",
"tools": {
"sam_logs": {}
}
}sam_logs is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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sam_logs. It is categorised as a Read tool in the AWS S3 Tables MCP Server MCP Server, which means it retrieves data without modifying state.
Register the AWS S3 Tables MCP Server MCP server in PolicyLayer and add a rule for sam_logs: 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 AWS S3 Tables MCP Server. Nothing to install.
sam_logs is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the sam_logs 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 sam_logs. 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.
sam_logs is provided by the AWS S3 Tables MCP Server MCP server (awslabs.s3-tables-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from AWS S3 Tables 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 AWS S3 Tables MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.