paypal-integration

Integrate PayPal payment processing with support for express checkout, subscriptions, and refund management. Use when implementing PayPal payments, processing online transactions, or building e-commerce checkout flows.

Quality

—

Does it follow best practices?

Impact

—

No eval scenarios have been run

Securityby

Risky

Do not use without reviewing

Quality

Content

72%

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

A solid, mostly lean skill body with strong executable examples and clean progressive disclosure. The main gaps are a redundant Core Concepts glossary and missing explicit validation checkpoints around payment capture/refund workflows.

Suggestions

Trim the 'Core Concepts' section: drop restatements of what PayPal Checkout/Subscriptions/Payouts are and keep only the integration-relevant distinctions Claude wouldn't already know.

Add explicit validation/feedback steps to the capture and refund workflow (e.g., verify the captured status is COMPLETED, retry on failure) to lift workflow clarity above 2.

Make the Quick Start sequence explicit with numbered steps (create order → buyer approves → capture on backend → verify status) rather than leaving the flow implicit across two code blocks.

Dimension	Reasoning	Score
Conciseness	Mostly efficient with terse bullets and code, but the 'Core Concepts' section restates what PayPal Checkout/Subscriptions/Payouts/IPN are — concepts Claude already knows — so it could be tightened. Not 3 because of this redundant glossary; not 1 because there is no padded prose.	2 / 3
Actionability	Quick Start provides two complete, executable code blocks (JS SDK frontend buttons and a Python backend capture function) that are copy-paste ready, matching the top anchor.	3 / 3
Workflow Clarity	A frontend-then-backend sequence is implied by the Quick Start, but there are no explicit validation checkpoints or error-recovery feedback loops for money-moving capture operations; per the rubric this caps workflow_clarity at 2. Not 3 because checkpoints are missing/implicit; not 1 because a sequence is present.	2 / 3
Progressive Disclosure	Clear overview sections with a single, well-signaled one-level-deep reference ('Detailed pattern documentation lives in references/details.md') that resolves to a real file, matching the top anchor.	3 / 3
	Total	10 / 12 Passed

Description

100%

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: third-person voice, concrete capabilities, explicit 'Use when' trigger guidance, and a clearly distinct PayPal niche. No significant weaknesses to address.

Dimension	Reasoning	Score
Specificity	Lists multiple concrete actions — 'express checkout, subscriptions, and refund management' — rather than vague language, matching the 'lists multiple specific concrete actions' anchor.	3 / 3
Completeness	Explicitly answers both what ('Integrate PayPal payment processing with support for...') and when (an explicit 'Use when...' clause), hitting the top anchor.	3 / 3
Trigger Term Quality	'Use when implementing PayPal payments, processing online transactions, or building e-commerce checkout flows' provides good coverage of natural terms a user would say; not below because common variations are well represented.	3 / 3
Distinctiveness Conflict Risk	PayPal-specific niche with distinct triggers (PayPal payments, e-commerce checkout) makes it unlikely to conflict with other skills.	3 / 3
	Total	12 / 12 Passed

Validation

100%

Warnings & errors only

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

Validation — 16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository: wshobson/agents
Commit: 2b48f16

Reviewed: 4 days ago

Table of Contents

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