set_cell_shading

Set background shading fill color on a table cell.

SERVERDocx SOURCEsecurityronin/docx-mcp

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/securityronin-docx-mcp/set-cell-shading.md

WHAT IT DOES

What set_cell_shading does on Docx

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

RISK

Why set_cell_shading is rated Medium

The tool performs a write operation (modifies document state) by setting cell shading properties. It is reversible—the user can change the color again or remove the shading. It affects only visual formatting, not document structure or content, and carries minimal risk. It does not delete, execute code, or create financial obligations, making Write the appropriate category with low severity.

From the tool's definition Tool description: 'Set background shading fill color on a table cell.' This modifies the visual formatting of a cell by changing its background color—a reversible cosmetic change to document content.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_cell_shading safely

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

set_cell_shading Rate-limited

set_cell_shading 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_cell_shading": {
      "limits": [
        {
          "counter": "set_cell_shading_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 Docx, apply this rule, and every set_cell_shading call is checked against it from then on.

FAQ

Questions about set_cell_shading

What does the set_cell_shading tool do? +

Set background shading fill color on a table cell. It is categorised as a Write tool in the Docx 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_cell_shading? +

Register the Docx MCP server in PolicyLayer and add a rule for set_cell_shading: 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 Docx. Nothing to install.

What risk level is set_cell_shading? +

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

Can I rate-limit set_cell_shading? +

Yes. Add a rate_limit block to the set_cell_shading 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_cell_shading completely? +

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

set_cell_shading is provided by the Docx MCP server (securityronin/docx-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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