Find security groups with overly permissive rules (0.0.0.0/0 or ::/0).
AI agents call find_overly_permissive_security_groups to retrieve information from AWS FinOps MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves information about security group configurations to identify potential security compliance issues. It does not create, modify, delete, or execute any changes to AWS resources—it only searches and reports on existing security group rules. While the findings may inform remediation decisions, the tool itself performs no side effects.
From the tool's definition Tool name 'find_overly_permissive_security_groups' and description 'Find security groups with overly permissive rules' indicate data retrieval and analysis without modification.
Attacks that exploit this kind of access
Find security groups with overly permissive rules (0.0.0.0/0 or ::/0). It is categorised as a Read tool in the AWS FinOps MCP Server MCP Server, which means it retrieves data without modifying state.
Register the AWS FinOps MCP Server MCP server in PolicyLayer and add a rule for find_overly_permissive_security_groups: 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 FinOps MCP Server. Nothing to install.
find_overly_permissive_security_groups 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 find_overly_permissive_security_groups 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 find_overly_permissive_security_groups. 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.
find_overly_permissive_security_groups is provided by the AWS FinOps MCP Server MCP server (prashantgupta123/aws-pillar-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
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