ai-wrapper-product

Expert in building products that wrap AI APIs (OpenAI, Anthropic, etc.) into focused tools people will pay for. Not just 'ChatGPT but different' - products that solve specific problems with AI. Covers prompt engineering for products, cost management, rate limiting, and building defensible AI businesses. Use when: AI wrapper, GPT product, AI tool, wrap AI, AI SaaS.

Install with Tessl CLI

npx tessl i github:Dokhacgiakhoa/antigravity-ide --skill ai-wrapper-product

What are skills?

Overall
score

62%

Review — 61%

Does it follow best practices?

If you maintain this skill, you can automatically optimize it using the tessl CLI to improve its score:

npx tessl skill review --optimize ./path/to/skill

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Validation — 10 / 11 Passed

Validation for skill structure

SKILL.md

Review

Evals

Discovery

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.

This is a strong skill description that clearly defines its niche (AI wrapper products), lists specific capabilities (prompt engineering, cost management, rate limiting), and includes explicit trigger terms. The description effectively differentiates itself from generic AI or coding skills by focusing on the business and product aspects of wrapping AI APIs.

Dimension	Reasoning	Score
Specificity	Lists multiple concrete actions: 'building products that wrap AI APIs', 'prompt engineering for products', 'cost management', 'rate limiting', and 'building defensible AI businesses'. These are specific, actionable capabilities.	3 / 3
Completeness	Clearly answers both what (building AI wrapper products, prompt engineering, cost management, rate limiting, defensible businesses) AND when (explicit 'Use when:' clause with specific trigger terms).	3 / 3
Trigger Term Quality	Explicitly lists natural trigger terms users would say: 'AI wrapper', 'GPT product', 'AI tool', 'wrap AI', 'AI SaaS'. Also includes API provider names (OpenAI, Anthropic) that users would naturally mention.	3 / 3
Distinctiveness Conflict Risk	Carves out a clear niche around AI wrapper products specifically, distinguishing from general AI/coding skills. The focus on business aspects (cost, defensibility, SaaS) and specific trigger terms make it unlikely to conflict with general programming or AI skills.	3 / 3
	Total	12 / 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 functions as a table of contents rather than actionable guidance. While it appropriately delegates to sub-skills, the main file lacks any concrete instructions, examples, or workflow guidance. The content would benefit from a quick-start section showing a basic implementation pattern before directing to detailed modules.

Suggestions

Add a 'Quick Start' section with a minimal executable code example showing a basic AI wrapper pattern (API call with prompt template)

Include a brief decision tree or workflow for when to consult which sub-skill (e.g., 'Starting new project? Begin with #1 → #3 → #5')

Remove the capabilities bullet list since it duplicates the sub-skill links without adding value

Add a concrete example of a successful AI wrapper product pattern with 5-10 lines of illustrative code

Dimension	Reasoning	Score
Conciseness	The content is relatively brief but includes some unnecessary framing ('AI wrappers get a bad rap') and a capabilities list that largely duplicates the sub-skill links. The role description adds minimal value.	2 / 3
Actionability	No concrete code, commands, or executable guidance provided. The entire content is a table of contents pointing elsewhere with no actionable instructions in the skill itself.	1 / 3
Workflow Clarity	No workflow or process is defined. The numbered list is just a reference index, not a sequence of steps to follow. No validation checkpoints or process guidance.	1 / 3
Progressive Disclosure	Good use of sub-skill references with clear one-level-deep linking, but the main skill provides almost no overview content - it's essentially just a directory listing without context on when to use which module.	2 / 3
	Total	6 / 12 Passed

Validation

91%

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 — 10 / 11 Passed

Validation for skill structure

Criteria	Description	Result
frontmatter_unknown_keys	Unknown frontmatter key(s) found; consider removing or moving to metadata	Warning

	Total	10 / 11 Passed

Reviewed: 7 days ago

Table of Contents

Discovery Implementation Validation

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