gamma-cost-tuning
Optimize Gamma usage costs and manage API spending. Use when reducing API costs, implementing usage quotas, or planning for scale with budget constraints. Trigger with phrases like "gamma cost", "gamma billing", "gamma budget", "gamma expensive", "gamma pricing".
54
62%
Does it follow best practices?
Impact
—
No eval scenarios have been run
Passed
No known issues
Optimize this skill with Tessl
npx tessl skill review --optimize ./plugins/saas-packs/gamma-pack/skills/gamma-cost-tuning/SKILL.mdQuality
Discovery
89%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 solid skill description that clearly communicates its purpose and provides explicit trigger guidance. The trigger terms are well-chosen and product-specific, reducing conflict risk. The main weakness is that the specific capabilities could be more concrete—listing actual actions like 'configure rate limits', 'analyze cost breakdowns', or 'set up billing alerts' would strengthen the specificity.
Suggestions
Add more concrete actions beyond 'optimize' and 'manage'—e.g., 'configure rate limits, analyze cost breakdowns, set up billing alerts, recommend cheaper model tiers'.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Names the domain (Gamma usage costs/API spending) and mentions some actions like 'reducing API costs', 'implementing usage quotas', and 'planning for scale with budget constraints', but these are somewhat general and don't list concrete specific actions (e.g., setting rate limits, configuring billing alerts, analyzing cost breakdowns). | 2 / 3 |
Completeness | Clearly answers both 'what' (optimize Gamma usage costs and manage API spending) and 'when' (reducing API costs, implementing usage quotas, planning for scale with budget constraints) with explicit trigger phrases provided. | 3 / 3 |
Trigger Term Quality | Includes explicit trigger phrases like 'gamma cost', 'gamma billing', 'gamma budget', 'gamma expensive', 'gamma pricing' which are natural terms users would say. Also includes broader terms like 'API costs', 'usage quotas', and 'budget constraints' that cover common variations. | 3 / 3 |
Distinctiveness Conflict Risk | The description is clearly scoped to Gamma-specific cost optimization and billing, with distinct trigger terms that include the product name 'Gamma'. This makes it unlikely to conflict with general cost optimization or other API management skills. | 3 / 3 |
Total | 11 / 12 Passed |
Implementation
35%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This skill is overly verbose, embedding full class implementations and speculative API details that Claude could generate from brief guidance. The credit tier numbers and plan comparison appear approximate or fabricated, reducing trust. While the structure is reasonable and the strategies are sound, the content would benefit greatly from being condensed to key decision points and patterns rather than full boilerplate implementations.
Suggestions
Reduce the code examples to concise snippets showing only the key API parameters that affect cost (e.g., imageOptions.style, outputFormat), and remove full class implementations like CreditTracker and the caching wrapper that Claude can generate from a brief description.
Remove or significantly condense the credit tier and plan comparison tables unless the exact numbers can be verified — approximate/speculative data erodes trust and wastes tokens.
Add a validation checkpoint after implementing cost optimizations, such as comparing before/after credit usage to confirm savings are realized.
Extract the full implementation code into bundle files (e.g., cost-tracker.ts, budget.ts) and reference them from the SKILL.md overview to improve progressive disclosure.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill is very verbose at ~180 lines with extensive code examples that are largely boilerplate Claude could generate on its own. The credit tier tables contain speculative/approximate data, the plan comparison table adds little actionable value, and concepts like caching and budget tracking are standard patterns that don't need full implementations spelled out. | 1 / 3 |
Actionability | The code examples are concrete and mostly executable, but they reference a hypothetical `GammaClient` API with methods like `generateFromTemplate` and `gamma.generate` whose actual signatures and availability are uncertain. The examples feel illustrative rather than copy-paste ready against a real API. | 2 / 3 |
Workflow Clarity | Steps are numbered and sequenced logically (track → optimize → template → budget → cache), but there are no validation checkpoints or feedback loops. There's no step to verify that cost reductions actually took effect, no way to confirm credit tracking accuracy, and the budget alert system lacks a verification step. | 2 / 3 |
Progressive Disclosure | The content has some structure with sections and a summary table, and references external resources and a next-step skill. However, the bulk of the implementation code (tracker, cache, budget) could be split into separate reference files, and there are no bundle files to support progressive disclosure. The skill is monolithic for its length. | 2 / 3 |
Total | 7 / 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 |
|---|---|---|
allowed_tools_field | 'allowed-tools' contains unusual tool name(s) | Warning |
frontmatter_unknown_keys | Unknown frontmatter key(s) found; consider removing or moving to metadata | Warning |
Total | 9 / 11 Passed | |
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