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shuji-bonji

@shuji-bonji/pdf-spec-mcp

compare_versions

Compare sections between PDF 1.7 and PDF 2.0 to find added, removed, or moved content. Matches sections automatically by title.

Instructions

Compare sections between PDF 1.7 (ISO 32000-1) and PDF 2.0 (ISO 32000-2). Returns matched sections (same or moved), added sections (new in 2.0), and removed sections (absent in 2.0). Uses title-based automatic matching.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
sectionNoCompare a specific section and its subsections (e.g., "12.8" for Digital Signatures). Uses PDF 2.0 section numbering. If omitted, compares all top-level sections.
Behavior3/5

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

No annotations are provided, so the description carries the full burden. It discloses that matching is title-based and returns three categories. However, it does not cover limitations, error handling, or behavior for ambiguous matches, which would improve transparency.

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

Conciseness5/5

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

Two concise sentences with no wasted words. The purpose, output types, and matching method are front-loaded and clearly communicated.

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

Completeness4/5

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

Given one optional parameter and no output schema, the description covers the tool's function and return types well. It lacks details on output format or size limits, but is largely complete for the tool's complexity.

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% with one parameter. The description adds value by explaining that the optional 'section' parameter uses PDF 2.0 numbering and comparing all top-level sections if omitted. This goes beyond the schema's basic description.

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 clearly states it compares sections between PDF 1.7 and PDF 2.0, specifying matched, added, and removed sections. The verb 'compare' is specific and the resource is well-defined, distinguishing it from siblings like get_section or list_specs.

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 context: it compares sections between two PDF versions. However, it does not explicitly state when not to use this tool or mention alternatives. Given the narrow scope, the usage is clear but lacks exclusionary guidance.

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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