handle_column_mixed_types

WHAT IT DOES

What handle_column_mixed_types does on Vibe Preprocessing and Analysis MCP Server

AI agents use handle_column_mixed_types to create or update resources in Vibe Preprocessing and Analysis MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Vibe Preprocessing and Analysis MCP Server environment.

WHY IT NEEDS A POLICY

Why handle_column_mixed_types needs a policy

This tool modifies column data or structure by converting/coercing mixed-type columns to uniform types. While potentially reversible through reloading the CSV, it alters the working dataframe state. It does not delete data (hence not Destructive) but transforms it, making it Write category.

From the tool's definition Tool description states it 'handles' columns with mixed datatypes, implying modification of data structure.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

handle_column_mixed_types Rate-limited

handle_column_mixed_types 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": {
    "handle_column_mixed_types": {
      "limits": [
        {
          "counter": "handle_column_mixed_types_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Vibe Preprocessing and Analysis MCP Server, so you can run agents against it safely.

FAQ

Questions about handle_column_mixed_types

What does the handle_column_mixed_types tool do? +

Finds and handles any columns with mixed datatypes. It is categorised as a Write tool in the Vibe Preprocessing and Analysis MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on handle_column_mixed_types? +

Register the Vibe Preprocessing and Analysis MCP Server MCP server in PolicyLayer and add a rule for handle_column_mixed_types: 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 Vibe Preprocessing and Analysis MCP Server. Nothing to install.

What risk level is handle_column_mixed_types? +

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

Can I rate-limit handle_column_mixed_types? +

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

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

handle_column_mixed_types is provided by the Vibe Preprocessing and Analysis MCP Server MCP server (mudit14224/vibe-data-analysis). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.