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billing-automation

Build automated billing systems for recurring payments, invoicing, subscription lifecycle, and dunning management. Use when implementing subscription billing, automating invoicing, or managing recurring payment systems.

68

Quality

82%

Does it follow best practices?

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SecuritybySnyk

Medium

Suggest reviewing before use

SKILL.md
Quality
Evals
Security

Quality

Content

65%

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

The body is concise and well-sectioned but stops at high-level directives: instructions name deliverable categories without concrete models or code, lack a sequenced feedback-loop workflow, and point to a reference file that is absent from the bundle. It is not the level below because concrete deliverables are named and a validation step is present; it is not the level above because nothing is copy-paste ready, the workflow is unsequenced, and the reference path is dead.

Suggestions

Add concrete artifacts to the Instructions, e.g. a subscription lifecycle state enum, an invoice/proration field schema, or a dunning retry schedule, so the guidance is actionable rather than categorical.

Convert the Instructions bullets into a numbered sequence with explicit validation checkpoints and a validate->fix->retry loop for sandbox payments and ledger reconciliation.

Either provide `resources/implementation-playbook.md` or remove the references to it, so the progressive-disclosure pointer resolves to a real file.

DimensionReasoningScore

Conciseness

Quotes such as "Define plans, pricing, billing intervals, and proration rules" and "Validate with sandbox payments and reconcile ledger outputs" are lean imperative bullets with no concept-explaining fluff or library recommendations, assuming Claude's competence; every token earns its place.

3 / 3

Actionability

Quotes "Implement invoicing, payments, retries, and dunning workflows" and "Model taxes and compliance requirements per region" name concrete deliverable categories but give no schemas, data models, code, or worked examples, so guidance is high-level and incomplete rather than copy-paste ready.

2 / 3

Workflow Clarity

The Instructions are a flat bullet list rather than a sequenced workflow; a validation step is mentioned ("Validate with sandbox payments and reconcile ledger outputs") but there is no validate->fix->retry feedback loop for a financial/batch process, matching the anchor for steps listed with checkpoints missing or implicit.

2 / 3

Progressive Disclosure

Quotes "If detailed templates are required, open `resources/implementation-playbook.md`" and the Resources section signal a one-level-deep reference, but that file does not exist in the bundle (no resources/ directory), so navigation is broken and the structure is not actually navigable.

2 / 3

Total

9

/

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.

The description is specific, well-triggered, and complete: it names concrete billing capabilities and provides an explicit 'Use when' clause that clearly distinguishes the skill. It is not the level below because it covers both what and when with natural trigger terms rather than only implying them.

DimensionReasoningScore

Specificity

Quotes "Build automated billing systems for recurring payments, invoicing, subscription lifecycle, and dunning management" list multiple specific concrete capabilities, matching the anchor for listing several distinct concrete actions rather than naming a domain with only one action.

3 / 3

Completeness

Quotes "Build automated billing systems..." answer the what and "Use when implementing subscription billing..." gives an explicit when trigger, matching the anchor that clearly answers both what and when.

3 / 3

Trigger Term Quality

Quotes "Use when implementing subscription billing, automating invoicing, or managing recurring payment systems" give good coverage of natural user terms (subscription billing, invoicing, recurring payments); the jargon term "dunning" slightly limits plain-language coverage but the overall natural-term set is strong.

3 / 3

Distinctiveness Conflict Risk

Quotes "subscription billing", "dunning management", and "recurring payment systems" carve out a clear billing niche with distinct triggers unlikely to fire for unrelated skills.

3 / 3

Total

12

/

12

Passed

Validation

100%

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

Validation16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository
rmyndharis/antigravity-skills
Reviewed

Table of Contents

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