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Inspect Doc Structure

inspect_doc_structure
Read-onlyIdempotent

Examine document structure to identify safe insertion indices for tables and retrieve element positions for precise formatting.

Instructions

Essential tool for finding safe insertion points and understanding document structure.

USE THIS FOR:

  • Finding the correct index for table insertion

  • Understanding document layout before making changes

  • Locating existing tables and their positions

  • Getting document statistics and complexity info

  • Inspecting structure of specific tabs

CRITICAL FOR TABLE OPERATIONS: ALWAYS call this BEFORE creating tables to get a safe insertion index.

WHAT THE OUTPUT SHOWS:

  • total_elements: Number of document elements

  • total_length: Maximum safe index for insertion

  • tables: Number of existing tables

  • table_details: Position and dimensions of each table

  • headers / footers: Real segment IDs and previews for header/footer editing

  • tabs: List of available tabs in the document (if no tab_id specified)

WORKFLOW FOR TABLE INSERTION: Step 1: Call this function Step 2: Note the "total_length" value Step 3: Use an index < total_length for table insertion Step 4: Create your table

FORMATTING WORKFLOW: After inserting all text via batch_update_doc with end_of_segment=true, call this tool with detailed=true to get exact start_index and end_index for every paragraph. Use those indices directly in format_text and update_paragraph_style operations in a second batch_update_doc call.

HEADER/FOOTER WORKFLOW: For ordinary header/footer text, use update_doc_headers_footers. If you need low-level segment editing, call this tool first and use the real segment_id values returned under headers/footers. Do not invent IDs.

The detailed output includes elements[].start_index and elements[].end_index with text_preview for each paragraph, making it easy to identify which ranges to format.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
user_google_emailYesUser's Google email address
document_idYesID of the document to inspect
detailedNoWhether to return detailed structure information
tab_idNoOptional ID of the tab to inspect. If not provided, inspects main document.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, destructiveHint, idempotentHint. The description adds significant behavioral context: it must be called before table creation, explains output fields (total_length, tables, etc.), and provides workflows. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is lengthy but well-organized with clear headings and distinct sections. Each section adds unique information. Could be slightly more concise, but structure aids readability and scanability.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (4 parameters, output schema exists), the description is comprehensive: it covers purpose, usage context, criticality for table ops, output details, and integrated workflows. No gaps with output schema present.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, baseline 3. Description adds value by explaining when to use the 'detailed' parameter (e.g., formatting workflow), and contextualizes the other parameters indirectly through workflows. Moves above baseline.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states the tool is for 'finding safe insertion points and understanding document structure,' which is a specific verb and resource. It distinguishes from siblings by emphasizing safe insertion indices and document layout analysis.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides clear 'USE THIS FOR' list and workflows for table insertion, formatting, and header/footer editing, indicating when to use the tool. It lacks explicit alternatives or exclusions for when not to use it, but the guidance is strong overall.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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