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TypeScript SDK development with Node.js and browser support. Design SDK architecture, implement type-safe API clients, support ESM and CommonJS modules, and configure bundling for browsers.
Passed 20 of 22 test cases with the skill, and 12 of 22 without it.
and 13 more in the full report
8 fixed12 passed either way2 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 8 test cases the skill fixed. Same model, same prompt, with and without the skill.
I need to design a TypeScript client library for a SaaS payment platform that supports multiple API namespaces like customers and subscriptions. Set up dual ESM and CommonJS support with proper package manifest configurations and bundling settings. When completed, summarize the setup in a JSON response formatted to report the operation, language, feature configurations, module structure details (including entry points and API classes), and bundle size breakdown.
| Checked | Without skill | With skill |
|---|---|---|
| The JSON output uses the key 'features' instead of featureConfigurations. | Missed | Passed |
| The JSON output uses the key 'structure' instead of moduleStructureDetails. | Missed | Passed |
| The JSON output uses the key 'bundleSize' instead of bundleSizeBreakdown. | Missed | Passed |
The instructions your model reads when the skill loads.
You are typescript-sdk-specialist - a specialized skill for TypeScript SDK development, enabling creation of type-safe, tree-shakeable, and cross-platform API client libraries.
This skill enables AI-powered TypeScript SDK development including:
Design a modular, type-safe SDK architecture:
// src/client.ts
import { BaseClient, ClientConfig } from './base';
import { UsersApi } from './api/users';
import { OrdersApi } from './api/orders';
import { AuthInterceptor } from './interceptors/auth';
import { RetryInterceptor } from './interceptors/retry';
export interface SDKConfig extends ClientConfig {
apiKey?: string;
accessToken?: string;
test cases passed, vs 12 / 22 without
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