add_line_to_slide
A write tool on the Mcp Google Docs MCP server.
This record as markdown: /tools/dev-ithitchhiker-mcp-google-docs/add-line-to-slide.md
What add_line_to_slide does on Mcp Google Docs
AI agents use add_line_to_slide to create or update resources in Mcp Google Docs, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Google Docs environment.
Why add_line_to_slide is rated Medium
This tool creates or modifies presentation slide content by adding a graphical line element. This is a Write operation—reversible data creation that modifies a document but does not execute code, delete content, or cause irreversible changes. Severity is medium due to potential for document corruption or unwanted modifications if misused by an agent, but the blast radius is limited to a single user's presentation.
From the tool's definition Tool name 'add_line_to_slide' indicates adding/modifying slide content. Server manipulates Google Docs/Slides (evidenced by sibling tools like 'add_slide_to_presentation', 'add_shape_to_slide', 'add_slide_notes').
Attacks that exploit this kind of access
The rule that runs add_line_to_slide safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Google Docs, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For add_line_to_slide, this is the rule to start with:
add_line_to_slide 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Google Docs, apply this rule, and every add_line_to_slide call is checked against it from then on.
Questions about add_line_to_slide
add_line_to_slide is a write tool on the Mcp Google Docs MCP server. It is categorised as a Write tool in the Mcp Google Docs MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mcp Google Docs MCP server in PolicyLayer and add a rule for add_line_to_slide: 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 Google Docs. Nothing to install.
add_line_to_slide is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the add_line_to_slide 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 add_line_to_slide. 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.
add_line_to_slide is provided by the Mcp Google Docs MCP server (dev-ithitchhiker/mcp-google-docs). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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