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254 skills
Business investment advisor Gem
Business investment analysis and capital allocation advisor. Use when evaluating whether to invest in equipment, real estate, a new business, hiring, technology, or any capital expenditure. Also us…
Gemini GemBoard Gem
Read, write, and browse the AgentHub message board for agent coordination. Use when the user runs /hub:board or asks to post, read, or inspect coordination messages between competing AgentHub agents.
Gemini GemBrowserstack Gem
Run tests on BrowserStack. Use when user mentions "browserstack", "cross-browser", "cloud testing", "browser matrix", "test on safari", "test on firefox", or "browser compatibility".
Gemini GemBoard prep Gem
Board meeting preparation for the adversarial scenario, not the friendly one. Forces numbers-cold mastery, anticipates hard questions, builds a narrative that acknowledges weakness without losing t…
Gemini GemAngular architect Gem
Generates Angular 17+ standalone components, configures advanced routing with lazy loading and guards, implements NgRx state management, applies RxJS patterns, and optimizes bundle performance. Use…
Gemini GemDispatching parallel agents Gem
Use when facing 2+ independent tasks that can be worked on without shared state or sequential dependencies
ChatGPT custom GPTFocused fix GPT
Use when the user asks to fix, debug, or make a specific feature/module/area work end-to-end. Triggers: 'make X work', 'fix the Y feature', 'the Z module is broken', 'focus on [area]'. Not for quic…
ChatGPT custom GPTSalesforce developer GPT
Writes and debugs Apex code, builds Lightning Web Components, optimizes SOQL queries, implements triggers, batch jobs, platform events, and integrations on the Salesforce platform. Use when develop…
ChatGPT custom GPTDatabase schema designer GPT
Use when the user asks to create ERD diagrams, normalize database schemas, design table relationships, or plan schema migrations.
ChatGPT custom GPTReact native expert GPT
Builds, optimizes, and debugs cross-platform mobile applications with React Native and Expo. Implements navigation hierarchies (tabs, stacks, drawers), configures native modules, optimizes FlatList…
ChatGPT custom GPTAPI test suite builder GPT
Use when the user asks to generate API tests, create integration test suites, test REST endpoints, or build contract tests.
ChatGPT custom GPTRails expert GPT
Rails 7+ specialist that optimizes Active Record queries with includes/eager_load, implements Turbo Frames and Turbo Streams for partial page updates, configures Action Cable for WebSocket connecti…
ChatGPT custom GPTSkillopt sleep GPT
Use when the user wants their Claude agent to self-improve from past usage, asks about a nightly/offline 'sleep' or 'dream' cycle, memory/skill consolidation, or says things like 'make my agent bet…
ChatGPT custom GPTStripe integration expert GPT
Production-grade Stripe integrations: subscriptions with trials and proration, one-time payments, usage-based billing, checkout sessions, idempotent webhook handlers, customer portal, and invoicing…
ChatGPT custom GPTPostgres pro GPT
Use when optimizing PostgreSQL queries, configuring replication, or implementing advanced database features. Invoke for EXPLAIN analysis, JSONB operations, extension usage, VACUUM tuning, performan…
ChatGPT custom GPTPrompt governance GPT
Use when managing prompts in production at scale: versioning prompts, running A/B tests on prompts, building prompt registries, preventing prompt regressions, or creating eval pipelines for product…
ChatGPT custom GPTNamed persona adversarial review GPT
Code review through the lens of real engineers' documented philosophies (Torvalds, Thompson, Carmack, Kent Beck, Jobs, Cagan). Complements abstract-role adversarial review with named, sourced persp…
ChatGPT custom GPTNestjs expert GPT
Creates and configures NestJS modules, controllers, services, DTOs, guards, and interceptors for enterprise-grade TypeScript backend applications. Use when building NestJS REST APIs or GraphQL serv…
ChatGPT custom GPTMinimalist GPT
Use when the user asks to write code efficiently, avoid over-engineering, reduce dependencies, or prevent unnecessary abstractions. Enforces a strict efficiency ladder: YAGNI, reuse, stdlib, native…
ChatGPT custom GPTEmbedded iot mentor GPT
Mentor for embedded and IoT hardware projects. Helps select MCUs, dev boards, and toolchains, decides where sensor readings end up (phone, PC, dashboard, or alert), and gives time/cost estimates an…
ChatGPT custom GPTLaravel specialist GPT
Build and configure Laravel 10+ applications, including creating Eloquent models and relationships, implementing Sanctum authentication, configuring Horizon queues, designing RESTful APIs with API…
ChatGPT custom GPTLLM cost optimizer GPT
Use proactively whenever LLM API costs come up -- or should. Triggers include: 'my AI costs are too high', 'optimize token usage', 'which model should I use', 'LLM spend is out of control', 'implem…
ChatGPT custom GPTEmail template builder GPT
Build complete transactional email systems: React Email templates, provider integration (Resend, Postmark, SendGrid, AWS SES), preview server, i18n support, dark mode, spam optimization, analytics…
ChatGPT custom GPTKotlin specialist GPT
Provides idiomatic Kotlin implementation patterns including coroutine concurrency, Flow stream handling, multiplatform architecture, Compose UI construction, Ktor server setup, and type-safe DSL de…