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Skills
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Context Keeper — persistent per-project memory for Claude Code that auto-loads project context on session start, tracks sessions with git activity, and writes into Claude native memory via `/ck:*` commands backed by deterministic Node.js scripts for consistent behavior across models.
Designs data visualizations by recommending appropriate chart types and generating configurations for ECharts, Chart.js, and other charting libraries, with guidance on dashboard layouts, color schemes, and visualization best practices.
Expert guidance for Swift Testing framework covering test structure, #expect/#require macros, traits and tags, parameterized tests, test plans, parallel execution, async waiting patterns, and XCTest migration. Prioritizes readable tests, robust parallel execution, and incremental migration from XCTest.
A skill for building Discounted Cash Flow (DCF) valuation models to estimate intrinsic company value, with WACC calculation, free cash flow projection, terminal value estimation (Gordon Growth or Exit Multiple), and sensitivity analysis on key assumptions.
A skill for automating YouTube channel management and content workflows, including video upload pipelines, metadata optimization, thumbnail management, scheduling, SEO keyword research, and analytics tracking.
Technical SEO skill from Claude SEO suite. Covers crawlability, indexation, site speed, structured data, and server-side SEO configuration.
Designer skill that runs a structured design critique against the brief and codebase—checks visual hierarchy, consistency, aesthetic fidelity, component quality, states, responsive behavior, accessibility (WCAG AA), and typography. Outputs a prioritized Must/Should/Could fix list as DESIGN_REVIEW.md.
Generates comprehensive code documentation and API references, from a collection of 65 skills and 9 workflows built for full-stack developers.
A skill that helps write personalized, compelling cover letters for job applications, career transitions, internal transfers, and referral introductions. Provides structured templates and formatting guidance for professional correspondence.
An agent skill for accessing professional stock market data and analysis, part of the curated Awesome OpenClaw collection of 913+ skills from the OpenClaw ecosystem.
Manages the full SaaS subscription lifecycle including trial-to-paid conversion, billing operations, upgrade/downgrade flows, churn prevention with health scoring, dunning management, and win-back campaigns.
Post-installation setup skill for k-skill that configures sops+age encryption, secrets management, and optional automation hooks.
OpenCLI's quick-mode skill for AI agents — generate a single command for a specific page URL with just a URL plus a one-line goal, completed in 4 steps.
Builds reusable Manim explainer animations for technical concepts, graphs, system diagrams, and product walkthroughs using the `manim` CLI with `ffmpeg` post-processing. Follows a thesis-first 3-6 scene workflow with low-quality smoke renders, 16:9 output, a thumbnail frame, and optional handoff to `video-editing` or `remotion-video-creation` for final polish.
Generates a foundational design tokens file (CSS custom properties, Tailwind config, or theme.ts) based on a chosen aesthetic philosophy, emitting both light and dark palettes plus spacing, typography, layout, motion, and breakpoint scales. Scans the codebase first and extends existing tokens rather than replacing them.
Creates professional invoices for freelancers and small businesses with multi-currency support, tax calculations (VAT, GST, sales tax), customizable payment terms, and export to Word/PDF formats.
A comprehensive email marketing automation skill covering campaign creation, welcome and drip sequence building, A/B testing frameworks, list segmentation strategies, newsletter templates, and deliverability optimization with Mailchimp, SendGrid, and Klaviyo integrations.
Skill for analyzing and generating Schema.org structured data markup as part of a comprehensive SEO analysis suite for Claude Code covering technical SEO, on-page analysis, content quality, image optimization, and AI search optimization.
A skill for automating Gmail with intelligent workflows including automatic attachment extraction and upload to Google Drive, invoice auto-archiving with OCR parsing, email organization with smart labeling, and client communication management.
Clinical Decision Support System patterns implemented as a pure, side-effect-free function library: `checkInteractions`, `validateDose`, and `calculateNEWS2` for NEWS2/qSOFA/APACHE/GCS scoring. Covers drug interaction severity, weight/age/renal-adjusted dose validation, alert classification, and integration into EMR workflows — zero tolerance for false negatives.
A skill from the Starchild official skills collection, installable via npx skills and designed for use within Starchild AI agent conversations with support for multi-file skill structures.
Official Sentry agent skills for employees, providing code review guidelines, commit conventions, PR creation/iteration workflows, bug finding, Claude settings auditing, and CI integration following the Agent Skills open format.
Record polished UI demo videos for web apps using Playwright — producing WebM output with a visible cursor, natural pacing, and storytelling flow. Enforces a three-phase process (Discover → Rehearse → Record) so scripts match the actual DOM instead of breaking silently on custom inputs or dropdowns.
Designer skill that defines the structural skeleton of a product before visual design—site maps, navigation models, content hierarchy, user flows, and URL strategy. Interviews the user, scans existing routing/layout code, and outputs an INFORMATION_ARCHITECTURE.md in the .design/<feature-slug>/ folder.
Patient-safety verification harness that blocks healthcare-app deployments on a single failure across five test categories: CDSS Accuracy, PHI Exposure, Data Integrity (CRITICAL — 100% pass required) plus Clinical Workflow and Integration (HIGH — 95% required). Framework-agnostic (Jest/Vitest/pytest/PHPUnit) with CI `--bail`, coverage thresholds, and clear gating order.
A comprehensive agent toolkit providing Claude Code skills for software diagramming, code review, QA planning, and professional communication workflows.
A Claude Code plugin marketplace from Trail of Bits providing skills for AI-assisted security analysis, testing, and development workflows.