set_table_cell · Keynote MCP Server MCP: Risk & Policy

WHAT IT DOES

What set_table_cell does on Keynote MCP Server

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

WHY IT NEEDS A POLICY

Why set_table_cell needs a policy

This tool modifies table cell content within a presentation, which is a reversible change (can be undone or overwritten). It does not execute arbitrary code, delete data irreversibly, move financial resources, or merely read information.

From the tool's definition Tool description states 'Sets the value of a specific cell in a table on a slide', which modifies existing data in a presentation document. The verb 'Sets' indicates a write operation that creates or modifies content reversibly.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_table_cell Rate-limited

set_table_cell 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": {
    "set_table_cell": {
      "limits": [
        {
          "counter": "set_table_cell_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 Keynote MCP Server, so you can run agents against it safely.

FAQ

Questions about set_table_cell

What does the set_table_cell tool do? +

Sets the value of a specific cell in a table on a slide. It is categorised as a Write tool in the Keynote 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 set_table_cell? +

Register the Keynote MCP Server MCP server in PolicyLayer and add a rule for set_table_cell: 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 Keynote MCP Server. Nothing to install.

What risk level is set_table_cell? +

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

Can I rate-limit set_table_cell? +

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

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

set_table_cell is provided by the Keynote MCP Server MCP server (superdwayne/keynotemp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.