This record as markdown: /tools/io-github-devopam-mcpg/list-resource-groups.md
What list_resource_groups does on Mcpg
AI agents call list_resource_groups to retrieve information from Mcpg without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why list_resource_groups is rated Low
The tool name and pattern suggest it retrieves or enumerates resource group metadata from PostgreSQL. Despite the empty description reducing confidence slightly, listing operations are quintessentially Read category—they query data with no side effects.
From the tool's definition Tool name 'list_resource_groups' indicates a listing operation, which retrieves and queries information about resource groups without modification.
Attacks that exploit this kind of access
The rule that runs list_resource_groups safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcpg, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_resource_groups, this is the rule to start with:
list_resource_groups is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Mcpg, apply this rule, and every list_resource_groups call is checked against it from then on.
Questions about list_resource_groups
list_resource_groups is a read tool on the Mcpg MCP server. It is categorised as a Read tool in the Mcpg MCP Server, which means it retrieves data without modifying state.
Register the Mcpg MCP server in PolicyLayer and add a rule for list_resource_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 Mcpg. Nothing to install.
list_resource_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 list_resource_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 list_resource_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.
list_resource_groups is provided by the Mcpg MCP server (pypi:mcpg). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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