Processing
Data transformation and parsing
data-driven-testing
by NeverSight
"DEPRECATED: Use testing-best-practices instead. This skill has been retired."
cli-patterns
by NeverSight
"Patterns for building production-quality CLI tools with predictable behavior, parseable output, and agentic workflows. Triggers: cli tool, command line tool, build cli, cli patterns, agentic cli, cli design, typer cli, click cli."
dstack
by dstackai
dstack is an open-source control plane for GPU provisioning and orchestration across GPU clouds, Kubernetes, and on-prem clusters.
x-writer
by ognjengt
Creates viral X (Twitter) posts using proven formats, post templates, and creator voice matching. Use when user needs engaging, high-performing posts for X/Twitter.
sop-creator
by ognjengt
Creates detailed Standard Operating Procedures (SOPs) for business processes. Use when user needs SOPs, process documentation, operational guides, workflow documentation, or step-by-step instructions for repeatable business processes.
organizational-transformation
by RefoundAI
Help users transform organizations toward modern product practices. Use when someone is trying to shift from feature teams to product teams, introduce empowered teams, modernize legacy processes, or drive cultural change in how product is built.
tsdown
by antfu
Bundle TypeScript and JavaScript libraries with blazing-fast speed powered by Rolldown. Use when building libraries, generating type declarations, bundling for multiple formats, or migrating from tsup.
debugging-output-and-previewing-html-using-ray
by coollabsio
Use when user says "send to Ray," "show in Ray," "debug in Ray," "log to Ray," "display in Ray," or wants to visualize data, debug output, or show diagrams in the Ray desktop application.
linear-search
by Finesssee
Search Linear issues and projects. Use when finding issues, looking up bugs, or searching the backlog.
xlsx
by iOfficeAI
'Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas'
pptx
by iOfficeAI
'Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks'
coding-standards
by affaan-m
Universal coding standards, best practices, and patterns for TypeScript, JavaScript, React, and Node.js development.
market-research
by affaan-m
Conduct market research, competitive analysis, investor due diligence, and industry intelligence with source attribution and decision-oriented summaries. Use when the user wants market sizing, competitor comparisons, fund research, technology scans, or research that informs business decisions.
delight
by pbakaus
Add moments of joy, personality, and unexpected touches that make interfaces memorable and enjoyable to use. Elevates functional to delightful.
agent-sort
by affaan-m
Build an evidence-backed ECC install plan for a specific repo by sorting skills, commands, rules, hooks, and extras into DAILY vs LIBRARY buckets using parallel repo-aware review passes. Use when ECC should be trimmed to what a project actually needs instead of loading the full bundle.
python-patterns
by affaan-m
Pythonic idioms, PEP 8 standards, type hints, and best practices for building robust, efficient, and maintainable Python applications.
bio-alignment-msa-parsing
by GPTomics
Parse and analyze multiple sequence alignments using Biopython. Extract sequences, identify conserved regions, analyze gaps, work with annotations, and manipulate alignment data for downstream analysis. Use when parsing or manipulating multiple sequence alignments.
ck
by affaan-m
Persistent per-project memory for Claude Code. Auto-loads project context on session start, tracks sessions with git activity, and writes to native memory. Commands run deterministic Node.js scripts — behavior is consistent across model versions.
e2e-testing
by affaan-m
Playwright E2E testing patterns, Page Object Model, configuration, CI/CD integration, artifact management, and flaky test strategies.
swift-protocol-di-testing
by affaan-m
Protocol-based dependency injection for testable Swift code — mock file system, network, and external APIs using focused protocols and Swift Testing.
skill-doc-delivery
by nyldn
Convert markdown to DOCX, PPTX, XLSX office documents. Use when: AUTOMATICALLY ACTIVATE when user requests:. Export knowledge work to office formats (e.g., "export to Word", "create PowerPoint", "convert to DOCX"). Generate professional documents from research (e.g., "create presentation from this synthesis")
swift-actor-persistence
by affaan-m
Thread-safe data persistence in Swift using actors — in-memory cache with file-backed storage, eliminating data races by design.
alumni-career-tracker
by aipoch
Analyze laboratory alumni career trajectories and outcomes to provide data-driven
turborepo
by antfu
Turborepo monorepo build system guidance. Triggers on: turbo.json, task pipelines, dependsOn, caching, remote cache, the "turbo" CLI, --filter, --affected, CI optimization, environment variables, internal packages, monorepo structure/best practices, and boundaries. Use when user: configures tasks/workflows/pipelines, creates packages, sets up monorepo, shares code between apps, runs changed/affected packages, debugs cache, or has apps/packages directories.