rename_columns

A write tool on the MCP Framework Personal MCP server.

SERVERMCP Framework Personal SOURCEinggerman/mcps

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/inggerman-mcps/rename-columns.md

WHAT IT DOES

What rename_columns does on MCP Framework Personal

AI agents use rename_columns to create or update resources in MCP Framework Personal, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP Framework Personal environment.

RISK

Why rename_columns is rated Medium

Renaming columns is a reversible modification operation that alters data schema/metadata without irreversibly deleting information. This fits the Write category. Severity is medium because renaming columns could break downstream processes, queries, or integrations that depend on original column names, but the operation is non-destructive and can be undone.

From the tool's definition Tool name 'rename_columns' indicates modification of tabular data structure. The empty description prevents precise assessment, but the naming convention clearly suggests a data mutation operation rather than read-only access.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs rename_columns 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 rename_columns, this is the rule to start with:

rename_columns Rate-limited

rename_columns 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "rename_columns": {
      "limits": [
        {
          "counter": "rename_columns_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT 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 rename_columns call is checked against it from then on.

FAQ

Questions about rename_columns

What does the rename_columns tool do? +

rename_columns is a write tool on the MCP Framework Personal MCP server. It is categorised as a Write tool in the MCP Framework Personal MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on rename_columns? +

Register the MCP Framework Personal MCP server in PolicyLayer and add a rule for rename_columns: 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 rename_columns? +

rename_columns is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit rename_columns? +

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

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

rename_columns 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.

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