stonegiantstudio

stonegiantstudio/skills

Plugin Claude Code

Production-tested skills from Stone Giant Studio.

stonegiantstudio/skills

Plugin Claude Code

Production-tested skills from Stone Giant Studio — artifact scoring, shutdown rituals, npm evaluation and security, CI/CD speedups, React Router v7, JavaScript/TypeScript, PostgreSQL/SQL Server/Drizzle/Kysely databases, testing, UI design, auth, AWS serverless, PDF generation, technical and marketing writing, product…

stonegiantstudio/skills

Skill Claude CodeCodex

Reliability, safety, and execution discipline standard for autonomous software agents. Defines minimum operational requirements — correctness over cleverness, reversibility over speed, evidence over narrative. Use when establishing operating guardrails for an autonomous coding agent or defining how an agent should…

stonegiantstudio/skills

Skill Claude CodeCodex

Explains WHY agent operating principles exist, citing CS texts (Brooks, Dijkstra, Gall's Law, Ousterhout). Use ONLY when asked about rationale, philosophy, or source references. NOT for task execution—use agent-operating-standard instead. Triggers on "why does the standard say", "explain the principle", "what's the…

stonegiantstudio/skills

Skill Claude CodeCodex

Better Auth integration expertise for TypeScript authentication. Triggers when implementing auth flows, configuring OAuth providers, setting up sessions, email verification, password reset, or any file importing from better-auth. Use for auth configuration, plugin setup, database adapters, session management, hooks…

stonegiantstudio/skills

Skill Claude CodeCodex

Make a CI/CD pipeline faster. Use when asked to speed up CI, cut build/test wall-clock, fix a slow pipeline, or decide whether bigger runners vs sharding vs caching will help. A measure-the-critical-path mental model plus a stop-when-it-stops-paying ladder (cache deps -> parallel jobs -> shard tests -> isolate…

stonegiantstudio/skills

Skill Claude CodeCodex

World-class date, time, and timezone handling based on Jon Skeet's NodaTime principles and the TC39 Temporal API (Stage 4 / ES2026). Triggers when working with Date objects, Temporal types, timestamps, timezone conversions, scheduling, or any temporal logic. Use to avoid the countless bugs caused by datetime…

stonegiantstudio/skills

Skill Claude CodeCodex

UI/UX design patterns for visual hierarchy, typography, color, spacing, and components. Use when designing interfaces, reviewing UI, choosing colors/fonts, or needing spacing patterns. Triggers on "make it look good", "UI review", "design system", "spacing", "typography", "color palette", CSS spacing.

stonegiantstudio/skills

Skill Claude CodeCodex

Manages Drizzle ORM migrations with PostgreSQL for multi-environment setups (local/staging/production). Use when working with drizzle-kit, schema syncing, or migration workflows.

stonegiantstudio/skills

Skill Claude CodeCodex

Evaluate npm packages for maintenance health, community adoption, security posture, and alternatives. Runs security pre-checks via Socket.dev and OSV.dev. Always expands single-package queries into comparisons.

stonegiantstudio/skills

Skill Claude CodeCodex

Write and edit prose with a human voice — clear, specific, and owned by one identifiable writer. Directives distilled from Zinsser, Strunk & White, Williams, and Pinker, plus a de-slop workflow for AI-flavored drafts. Use for blog posts, essays, voice and editing passes over existing prose, or when asked to "de-slop"…

stonegiantstudio/skills

Skill Claude CodeCodex

Elite JavaScript/TypeScript developer with deep expertise in modern language features, performance optimization, and pragmatic engineering. Use when writing, reviewing, or debugging pure JS/TS or Node.js code, discussing language-level architecture decisions, or needing battle-tested patterns. Triggers on JavaScript…

stonegiantstudio/skills

Skill Claude CodeCodex

Kysely ORM patterns for type-safe SQL query building, migrations, and TypeScript integration. Use when working with Kysely, writing type-safe queries, or managing database schemas with Kysely migrations.

stonegiantstudio/skills

Skill Claude CodeCodex

AWS Lambda and CDK expertise for serverless functions, infrastructure as code, event-driven architectures, cold start optimization, and production patterns. Use when writing Lambda handlers, CDK stacks, NodejsFunction constructs, configuring triggers, optimizing performance, or any serverless compute patterns.…

stonegiantstudio/skills

Skill Claude CodeCodex

Security advisory pre-check for npm packages using Socket.dev and OSV.dev. Triggers when installing, updating, evaluating, or adding npm packages. Use BEFORE any install, update, or evaluate operation to detect compromised, malicious, or vulnerable packages and their transitive dependencies.

stonegiantstudio/skills

Skill Claude CodeCodex

End-of-day shutdown ritual. Surveys branches and stashes, captures session context, locks in tomorrow's first task, and writes a structured parking receipt the next session can read cold. Grounded in Zeigarnik Effect research.

stonegiantstudio/skills

Skill Claude CodeCodex

Data visualization for PDF reports - charts, graphs, and dashboards rendered to print-ready format. Triggers when creating reports with charts, generating data visualizations for PDF output, or building dashboard exports.

stonegiantstudio/skills

Skill Claude CodeCodex

Professional PDF document creation with expert typography, branding, and print-production quality. Triggers when generating branded documents, creating reports, building invoices, or any PDF output requiring professional layout and typography.

stonegiantstudio/skills

Skill Claude CodeCodex

Smart PDF content extraction with context, page references, and pattern matching. Triggers when finding specific content in PDFs (contract prices, terms), searching for patterns, extracting images, or needing snippets with surrounding context.

stonegiantstudio/skills

Skill Claude CodeCodex

PDF processing router - delegates to specialized sub-skills for extraction, creation, and charting. Triggers when working with PDF files, generating reports, or creating data visualizations for print.

stonegiantstudio/skills

Skill Claude CodeCodex

PostgreSQL database design with proper types, naming conventions, indexing strategies, and JSONB patterns. Use when designing schemas, writing DDL, or optimizing PostgreSQL databases.

stonegiantstudio/skills

Skill Claude CodeCodex

Product management frameworks and counterintuitive truths from Lenny's Podcast. Use when helping with product strategy, prioritization, roadmap decisions, feature scoping, team structure, customer discovery, activation metrics, positioning, or when the user is making product decisions that could benefit from…

stonegiantstudio/skills

Skill Claude CodeCodex

React + React Router v7 framework mode expertise for Remix-style full-stack applications. Triggers when writing general React components (memoization, state derivation, keys, anti-useEffect patterns) or editing loaders, actions, route modules, react-router.config.ts, middleware, or any file importing from react-router…

stonegiantstudio/skills

Skill Claude CodeCodex

Safe refactoring of legacy code using test-first techniques, dependency breaking, and proven patterns. Covers characterization tests, Golden Master, seams, Fowler's catalog, and anti-pattern remediation. Use when refactoring, fixing legacy bugs, modernizing code, or dealing with "big ball of mud", "spaghetti code", or…