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pdf-analysis

Use this skill when the user wants to analyze, summarize, extract data from, or ask questions about PDF documents using Claude's native PDF support.

Quality

83%

Does it follow best practices?

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SecuritybySnyk

Low

Low-risk findings worth noting

SKILL.md
Quality
Evals
Security

Quality

Content

81%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

A highly actionable, well-organized skill whose copy-paste code covers the common PDF-analysis cases without over-explaining known concepts. Its weaknesses are repeated API boilerplate across snippets, a hardcoded model version repeated three times that will age poorly, and no use of reference files to keep the main document tighter.

Suggestions

Extract the repeated client.messages.create boilerplate into a single helper (e.g., reuse analyze_pdf or one _send(content) function) so each snippet shows only what is new, and pull the pinned model ID into one constant or placeholder so it is updated in one place.

Move task-specific variants (summarization prompt styles, table extraction, multi-document comparison, URL-based PDFs) into a references/ file, keeping SKILL.md to the basic pattern and the Quick Reference table for navigation.

State the ~100-page limit and any size/latency caveats once in the Quick Reference context rather than only as an unlabeled row, so users know when to split large documents.

DimensionReasoningScore

Conciseness

The body is lean and code-dominated with no concept over-explanation, but the client.messages.create boilerplate repeats across four snippets and the time-sensitive version pin "claude-opus-4-6" appears three times outside any 'old patterns' section, which the guidelines say should penalize conciseness; content could be tightened, matching anchor 3 rather than the nearly trim-free anchor 4.

3 / 5

Actionability

Fully executable, copy-paste-ready Python covering the common cases: single-PDF Q&A, three summarization styles, table extraction, multi-document comparison with titles, and URL-sourced PDFs, plus a Quick Reference mapping tasks to functions — matching anchor 5.

5 / 5

Workflow Clarity

This is a simple single-action skill (send a document block plus a question) and that action is unambiguous with a task-to-approach Quick Reference table; the simple-skill exception applies and no destructive or batch operations require validation checkpoints.

5 / 5

Progressive Disclosure

Sections are well-organized with clear headers and a quick-reference table, but at roughly 120 lines with several task-specific variants (summarization, table extraction, multi-doc, URL) that could be split into reference files, minor organization gaps remain versus anchor 5's 'content appropriately split'.

4 / 5

Total

17

/

20

Passed

Description

78%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A strong description that names the domain, four concrete capabilities, and an explicit 'when' trigger in third person. Its main weaknesses are missing synonym/extension variants and a when-clause that largely mirrors the what-clause instead of offering distinct trigger phrases.

DimensionReasoningScore

Specificity

Names the domain and lists several concrete actions — "analyze, summarize, extract data from, or ask questions about PDF documents" — but coverage has minor gaps (no mention of tables, forms, or conversion), matching anchor 4 rather than the comprehensive anchor 5.

4 / 5

Completeness

Both what ("analyze, summarize, extract data from, or ask questions about PDF documents using Claude's native PDF support") and when ("Use this skill when the user wants to...") are present, but the when-clause restates the what rather than giving distinct trigger conditions like 'user mentions PDFs or .pdf files', matching anchor 4.

4 / 5

Trigger Term Quality

Good natural keyword coverage ("analyze", "summarize", "extract data", "PDF documents", "ask questions"), but missing common synonyms and file extensions ("PDFs", "PDF files", ".pdf") that anchor 5 requires; better than the sparse keyword coverage of anchor 3.

4 / 5

Distinctiveness Conflict Risk

Clear niche — PDF documents specifically, via Claude's native PDF support — with minimal conflict risk against generic document or word-processing skills, matching anchor 5's 'clear niche with distinct triggers'.

5 / 5

Total

17

/

20

Passed

Validation

93%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

15

/

16

Passed

Repository

ProwlrBot/prowlr-marketplace

Path

external/anthropic-official/pdf-analysis/SKILL.md

Reviewed

Table of Contents

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