groupby_agg

A read tool on the MCP Framework Personal MCP server.

SERVERMCP Framework Personal SOURCEinggerman/mcps

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/inggerman-mcps/groupby-agg.md

WHAT IT DOES

What groupby_agg does on MCP Framework Personal

AI agents call groupby_agg to retrieve information from MCP Framework Personal without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why groupby_agg is rated Low

Based on the function name alone, 'groupby_agg' appears to perform aggregation on grouped tabular data, which is a read-only query operation with no side effects. This is consistent with a framework described as handling 'tabular data'. However, confidence is moderate because the empty description prevents definitive confirmation—theoretically an aggregation tool could modify state, though this is atypical.

From the tool's definition Tool name 'groupby_agg' suggests a data aggregation operation (group-by-aggregate pattern). The description is empty, providing no additional detail.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs groupby_agg safely

PolicyLayer is an MCP gateway: it sits between your AI agents and MCP Framework Personal, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For groupby_agg, this is the rule to start with:

groupby_agg Allowed

groupby_agg is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "groupby_agg": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect MCP Framework Personal, apply this rule, and every groupby_agg call is checked against it from then on.

FAQ

Questions about groupby_agg

What does the groupby_agg tool do? +

groupby_agg is a read tool on the MCP Framework Personal MCP server. It is categorised as a Read tool in the MCP Framework Personal MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on groupby_agg? +

Register the MCP Framework Personal MCP server in PolicyLayer and add a rule for groupby_agg: 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 MCP Framework Personal. Nothing to install.

What risk level is groupby_agg? +

groupby_agg is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit groupby_agg? +

Yes. Add a rate_limit block to the groupby_agg 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 groupby_agg completely? +

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

groupby_agg is provided by the MCP Framework Personal MCP server (inggerman/mcps). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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