readCellFormat
Reads the formatting/style of cells in a given range. Returns formatting details like bold, italic, fontSize, fontFamily, colors, alignment, borders, and number format per cell.
This record as markdown: /tools/a-bonus-google-docs-mcp/readcellformat.md
What readCellFormat does on Claude MCP x Google Docs
AI agents call readCellFormat to retrieve information from Claude MCP x Google Docs without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why readCellFormat is rated Low
This tool retrieves formatting metadata from cells without creating, modifying, deleting, or executing anything. It is a pure read operation that has no blast radius if misused by an AI agent—at worst, it exposes non-sensitive formatting information already visible in the document.
From the tool's definition Tool name 'readCellFormat' and description explicitly states it 'Reads the formatting/style of cells' and 'Returns formatting details'.
Attacks that exploit this kind of access
The rule that runs readCellFormat safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Claude MCP x Google Docs, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For readCellFormat, this is the rule to start with:
readCellFormat is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Claude MCP x Google Docs, apply this rule, and every readCellFormat call is checked against it from then on.
Questions about readCellFormat
Reads the formatting/style of cells in a given range. Returns formatting details like bold, italic, fontSize, fontFamily, colors, alignment, borders, and number format per cell. It is categorised as a Read tool in the Claude MCP x Google Docs MCP Server, which means it retrieves data without modifying state.
Register the Claude MCP x Google Docs MCP server in PolicyLayer and add a rule for readCellFormat: 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 Claude MCP x Google Docs. Nothing to install.
readCellFormat is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the readCellFormat 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.
Set action: deny in the PolicyLayer policy for readCellFormat. 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.
readCellFormat is provided by the Claude MCP x Google Docs MCP server (a-bonus/google-docs-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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