paypal
PayPal payment integration. Send money, create invoices, and manage PayPal transactions.
43
45%
Does it follow best practices?
Impact
—
No eval scenarios have been run
Advisory
Suggest reviewing before use
Optimize this skill with Tessl
npx tessl skill review --optimize ./public/skills/0xterrybit/paypal/SKILL.mdQuality
Discovery
67%Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.
The description is concise and names specific capabilities tied to a clearly defined domain (PayPal). Its main weakness is the absence of an explicit 'Use when...' clause, which would help Claude know exactly when to select this skill. Adding trigger guidance and a few more natural user terms would elevate it significantly.
Suggestions
Add an explicit 'Use when...' clause, e.g., 'Use when the user asks about PayPal payments, sending money via PayPal, creating PayPal invoices, or managing PayPal transactions.'
Include additional natural trigger terms users might say, such as 'pay someone', 'billing', 'payment link', 'PayPal checkout', or 'refund'.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Lists multiple specific concrete actions: 'Send money', 'create invoices', and 'manage PayPal transactions'. These are clear, actionable capabilities. | 3 / 3 |
Completeness | Clearly answers 'what does this do' with specific actions, but lacks an explicit 'Use when...' clause or equivalent trigger guidance, which caps this at 2 per the rubric guidelines. | 2 / 3 |
Trigger Term Quality | Includes good keywords like 'PayPal', 'payment', 'invoices', 'send money', and 'transactions', but misses common variations users might say such as 'pay someone', 'billing', 'checkout', or 'payment link'. | 2 / 3 |
Distinctiveness Conflict Risk | The explicit mention of 'PayPal' creates a clear niche that is unlikely to conflict with other payment skills (e.g., Stripe, Square). The domain is well-defined and distinct. | 3 / 3 |
Total | 10 / 12 Passed |
Implementation
22%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This skill is essentially a placeholder—it lists PayPal features and shows environment variable setup but provides zero actionable implementation guidance. For a payment integration involving real money, the lack of concrete API calls, SDK usage, authentication flows, error handling, and safety/validation steps makes this skill ineffective and potentially risky.
Suggestions
Add concrete, executable code examples showing actual PayPal API calls (e.g., using the PayPal REST SDK to send a payment, create an invoice, or issue a refund).
Include a clear multi-step workflow with validation checkpoints, especially for destructive operations like sending money (e.g., confirm amount, verify recipient, check response status before proceeding).
Add error handling guidance and safety constraints (e.g., sandbox vs production mode, amount limits, idempotency keys to prevent duplicate payments).
Document the authentication flow (OAuth2 token acquisition) with executable code rather than just listing environment variables.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The content is relatively brief, but the feature bullet list and natural language usage examples add little value—Claude already knows what PayPal can do. The setup section is useful but the rest is padding. | 2 / 3 |
Actionability | There is no executable code, no API calls, no concrete commands, no SDK usage, and no implementation details. The 'usage examples' are just natural language prompts, not actionable instructions for how to actually integrate with PayPal's API. | 1 / 3 |
Workflow Clarity | There is no workflow, no sequenced steps, no validation, and no error handling. For a payment integration skill involving real money transfers, the complete absence of any process or safety checks is a significant gap. | 1 / 3 |
Progressive Disclosure | The content is short and organized into sections, which is fine for a simple skill. However, there are no references to any supporting files, no bundle files exist, and the content itself is too thin to serve as a useful overview pointing to deeper material. | 2 / 3 |
Total | 6 / 12 Passed |
Validation
81%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 9 / 11 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
metadata_version | 'metadata.version' is missing | Warning |
metadata_field | 'metadata' should map string keys to string values | Warning |
Total | 9 / 11 Passed | |
- Repository
- Demerzels-lab/elsamultiskillagent
- Commit
f45fcb5
- Reviewed
Table of Contents
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