insert_text
Inserts text into a shape or a table cell (batchUpdate insertText) at a 0-based character index (default 0 = the beginning). For a table cell pass row_index + column_index together. Text carries \n for new paragraphs; the target must be a shape that can hold text or a table — images and lines can...
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What insert_text does on Mcp Google Slides
AI agents use insert_text to create or update resources in Mcp Google Slides, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Google Slides environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
text | string | Yes | The text to insert; use \n for paragraph breaks. |
object_id | string | Yes | The shape or table object id (from list_slides). |
row_index | integer | — | Table cell row (0-based; requires column_index). |
column_index | integer | — | Table cell column (0-based; requires row_index). |
insertion_index | integer | — | 0-based character index to insert at (default 0 — the start of the existing text). |
presentation_id | string | Yes | The presentation id — the long id from the URL (docs.google.com/presentation/d/<presentationId>/edit) or from create_presentation output. |
Parameters from the server's own tool schema.
Why insert_text is rated Medium
Reversibly modifies presentation content; no deletion or irreversible effects.
From the tool's definition Inserts text into a shape or table cell at character index
Attacks that exploit this kind of access
The rule that runs insert_text safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Google Slides, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For insert_text, this is the rule to start with:
insert_text 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 Slides, apply this rule, and every insert_text call is checked against it from then on.
Questions about insert_text
Inserts text into a shape or a table cell (batchUpdate insertText) at a 0-based character index (default 0 = the beginning). For a table cell pass row_index + column_index together. Text carries \n for new paragraphs; the target must be a shape that can hold text or a table — images and lines cannot. To REPLACE what's already there use set_text instead; to fill an empty layout placeholder this works directly (find its object id via list_slides). It is categorised as a Write tool in the Mcp Google Slides MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
insert_text accepts 6 parameters: text, object_id, row_index, column_index, insertion_index, presentation_id. Required: text, object_id, presentation_id. The full parameter table on this page comes from the server's own tool schema.
Register the Mcp Google Slides MCP server in PolicyLayer and add a rule for insert_text: 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 Slides. Nothing to install.
insert_text 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 insert_text 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 insert_text. 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.
insert_text is provided by the Mcp Google Slides MCP server (@a1-x-tech/mcp-google-slides). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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