Claude Skills by Casper-Studios

Social media and web scraping using Apify actors. Use this skill when scraping Twitter/X tweets, Reddit posts, LinkedIn posts, Instagram profiles/posts/reels, Facebook pages/posts/groups, TikTok videos, YouTube content, Google Maps businesses/reviews, contact enrichment (emails/phones from websites), or when auto-detecting URL type to scrape. Triggers on requests to scrape social media, get trending posts, extract business info, find contact details, or extract content from social URLs.

Casper Studios internal design system for generating consistent, production-grade SaaS UI. Use this skill whenever generating UI code for internal tools, client apps, dashboards, POCs, prototypes, or any visual interface — even quick mockups or artifacts. Apply it any time the output is a React component, page, or layout. If the user mentions "our design system", "Casper style", "match our look", or asks you to build any kind of app or interface, use this skill. Also trigger when restyling or...

LinkedIn post generation from meeting transcripts, Slack dumps, and other source material, written in the user's personal writing style. Use this skill when: generating LinkedIn posts, creating social content from internal material, ghostwriting LinkedIn content, or when the user mentions LinkedIn, social posts, or content generation from transcripts/notes. Supports personal style profiles stored locally per user. Can auto-pull source material from Fireflies.ai, Slack channels, and Google Drive.

Build native macOS/iOS apps with Apple's Liquid Glass design language and Human Interface Guidelines. Use when creating SwiftUI interfaces, implementing translucent materials, designing cards/rows/badges, applying SF Symbols, following Apple HIG spacing/typography/color systems, or building any app that should feel native to Apple platforms. Triggers on macOS apps, iOS apps, SwiftUI UI, Apple-style design, glass effects, material backgrounds, native app design.

Free YouTube video downloading, transcript extraction, and metadata retrieval using yt-dlp. Use this skill for downloading YouTube videos (single or bulk), extracting transcripts/subtitles, getting video metadata, or downloading audio-only. This is FREE (no API keys) unlike Apify. Triggers on YouTube download requests, transcript extraction, video metadata, or bulk video downloads.

Data analysis, visualization, and storytelling skill for financial and RevOps contexts. Use when: analyzing revenue data, building forecasts, cohort analysis, churn modeling, pipeline analytics, creating data-driven reports, building dashboards, cleaning messy data, sanity-checking analytical claims, exporting to Excel with formulas, or extracting data from PDFs. Features decision logging, bias-aware interpretation, and progressive disclosure (slide deck -> detailed report -> full notebook wi...

Analyze and upgrade dependencies with breaking change detection. Use when updating frontend (pnpm) or backend (uv) dependencies.

Generate commit messages following conventional commits and commit staged changes. Use when creating commits or when user invokes /commit.

Scrape LinkedIn post commenters and export Lemlist-ready CSVs, with optional ICP filtering. Use this skill when the user wants to scrape engagement from a LinkedIn post, extract commenters, build a lead list from LinkedIn post interactions, generate a CSV for Lemlist import, or filter scraped contacts against an Ideal Customer Profile. Triggers on "scrape LinkedIn post", "get commenters", "LinkedIn engagement", "post engagers", "Lemlist CSV", "who commented on this post", "ICP filter", "ideal...

Language-agnostic rules for honest, testable function boundaries. Always use when planning, writing, reviewing, or critiquing functions and abstractions.

Language-agnostic code-design rules for explicit state, failure, ownership, and I/O boundaries. Use when implementing, refactoring, or reviewing code.

Language-agnostic test-admission rules for project-owned behavior and meaningful sans-I/O evidence. Use when adding, retaining, removing, or reviewing tests.

Feature-first module architecture for cohesive ownership, composition, and promotion boundaries. Use when designing, moving, or reviewing feature and package structure.

Create a PR to provided base branch using the pull request template. Use when opening a new PR.

Triage unresolved PR review comments, produce a severity-ordered fix plan, then resolve or fix each issue with subagents. Use when addressing PR feedback before merge.

`better-all` conventions for dependency-aware async task graphs. Use when defining `all` or `allSettled` graphs or converting staged async work with task dependencies.

Dialect-aware Drizzle ORM conventions for safe query, mutation, and transaction boundaries. Use when writing or reviewing Drizzle schemas, queries, transactions, or raw SQL.

Language-agnostic OpenTelemetry conventions for queryable signals and explicit operational outcomes. Use when adding or reviewing spans, structured logs, attributes, or exception recording.

Python 3.13+ conventions for typed application and library boundaries. Use when writing or reviewing Python contracts, packages, validation, or async resource ownership.

React component conventions for explicit state ownership and data flow. Use when creating or reviewing React components, hooks, effects, or forms.

TanStack Query conventions for cache-backed React server state. Use when creating or reviewing React queries, mutations, query keys, or cache updates.

TanStack Table v9 conventions for stable React table schemas and instance behavior. Use when creating or reviewing React tables, columns, metadata, or rendering.

TypeScript conventions for precise contracts and valid program states. Use when writing or reviewing TypeScript types, state models, optional values, or untrusted boundaries.

Valibot conventions for owned wire contracts and explicit validation outcomes. Use when defining or reviewing Valibot schemas or parsing untrusted data with Valibot.

Zod v4 conventions for owned wire contracts and explicit validation outcomes. Use when defining or reviewing Zod schemas or parsing untrusted data with Zod.

Agent-skill design conventions for focused scope, precise discovery, and progressive disclosure. Use when creating, restructuring, or reviewing `SKILL.md`-based skills.

Agent-plugin design conventions for public outcomes, private implementation, and minimal packaging. Use when creating, restructuring, or reviewing agent-skill plugins.

Data analysis, visualization, and storytelling for financial, SaaS, and RevOps contexts. Use when analyzing revenue, forecasts, cohorts, churn, pipelines, dashboards, messy data, analytical claims, spreadsheets, or PDFs.