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Skills in this repository
SkillsMP has collected 269 skills from marvinrichter/clarc. Open a skill to review its source and details.
marvinrichter/clarcShowing 29 of 269 collected skills.
Write articles, guides, blog posts, tutorials, newsletter issues, and other long-form content in a distinctive voice derived from supplied examples or brand guidance. Use when the user wants polished written content longer than a paragraph, especially when…
Create platform-native content systems for X, LinkedIn, TikTok, YouTube, newsletters, and repurposed multi-platform campaigns. Use when the user wants social posts, threads, scripts, content calendars, or one source asset adapted cleanly across platforms.
Playwright E2E testing patterns, Page Object Model, configuration, CI/CD integration, artifact management, and flaky test strategies.
Formal evaluation framework for Claude Code sessions implementing eval-driven development (EDD) principles
Frontend development patterns for React, Next.js, state management, performance optimization, and UI best practices.
Draft cold emails, warm intro blurbs, follow-ups, update emails, and investor communications for fundraising. Use when the user wants outreach to angels, VCs, strategic investors, or accelerators and needs concise, personalized, investor-facing messaging.
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…
Use this skill when adding authentication, handling user input, working with secrets, creating API endpoints, or implementing payment/sensitive features. Provides comprehensive security checklist and patterns.
Suggests manual context compaction at logical intervals to preserve context through task phases rather than arbitrary auto-compaction.
Use this skill when writing new features, fixing bugs, or refactoring code. Enforces test-driven development with 80%+ coverage including unit, integration, and E2E tests.
A comprehensive verification system for Claude Code sessions.
Write articles, guides, blog posts, tutorials, newsletter issues, and other long-form content in a distinctive voice derived from supplied examples or brand guidance. Use when the user wants polished written content longer than a paragraph, especially when…
Create platform-native content systems for X, LinkedIn, TikTok, YouTube, newsletters, and repurposed multi-platform campaigns. Use when the user wants social posts, threads, scripts, content calendars, or one source asset adapted cleanly across platforms.
Draft cold emails, warm intro blurbs, follow-ups, update emails, and investor communications for fundraising. Use when the user wants outreach to angels, VCs, strategic investors, or accelerators and needs concise, personalized, investor-facing messaging.
Data & product analytics workflow: event taxonomy design, instrumentation (Segment, PostHog, Mixpanel, Amplitude, GA4), analytics pipelines, funnel and retention analysis, and dashboard design. Complements observability (infrastructure metrics) with…
Asynchronous processing patterns: job queues (BullMQ, Celery, asynq), scheduled cron jobs, event-driven pub/sub, dead letter queues, retry with exponential backoff, and idempotency. Covers TypeScript, Python, and Go.
Caching strategy patterns: Cache-Aside, Write-Through, Write-Behind, TTL design, cache invalidation, Redis patterns, CDN caching, HTTP cache headers, and cache stampede prevention. Caching is both a performance and correctness problem.
CI/CD pipeline patterns with GitHub Actions: build/test/lint workflows, environment gates, caching, security scanning, Docker builds, and deployment automation. Includes templates for TypeScript, Python, Go, and Java.
Compliance and audit-log workflow: immutable audit trail design, SOC 2 / ISO 27001 / HIPAA / PCI-DSS control mapping, access control reviews, data lineage, and compliance automation in CI/CD. Complements gdpr-privacy and security-review.
Data engineering patterns: dbt for SQL transformation (models, tests, incremental), Dagster for orchestration (assets, jobs, sensors), data quality checks, warehouse patterns (BigQuery/Snowflake/Redshift), and modern data stack setup. Covers the ELT pipeline…
DuckDB patterns for embedded OLAP analytics: in-process SQL on Parquet/CSV/JSON files, window functions, ASOF joins, dbt-duckdb integration, Dagster assets, Python/Node.js APIs, and performance tuning. Zero infrastructure required — analytical power without a…
A/B testing and experimentation workflow: hypothesis design, metric selection, sample size calculation, statistical significance, common pitfalls (peeking, SRM, novelty effect), and experiment lifecycle. Complements feature-flags (implementation) with…
Feature flag patterns for safe feature rollout without deployment: boolean flags, percentage rollouts, user targeting, and flag lifecycle. Covers LaunchDarkly, Unleash, homegrown Redis-based, and trunk-based development.
Figma-to-code workflow: extracting design tokens from Figma Variables, syncing tokens with Style Dictionary, reading Figma files via API, handoff conventions, and maintaining parity between design and implementation. For teams with a designer.
How to proactively find product ideas: three distinct modes — Inbound (analyze user feedback), Outbound (competitive web research), and Creative (structured ideation). Connects discovery tools to the product lifecycle pipeline.
Production Kubernetes patterns: Deployments, Services, Ingress, HPA, resource limits, health probes, ConfigMap/Secret management, Helm charts, namespaces, and IaC with Terraform/Pulumi. Prevents the most common k8s production failures.
Process, convert, OCR, extract, redact, sign, and fill documents using the Nutrient DWS API. Works with PDFs, DOCX, XLSX, PPTX, HTML, and images.
Spring Boot architecture patterns, REST API design, hexagonal (ports & adapters) architecture, data access, caching, async processing, and logging. Use for Java Spring Boot backend work.
UX micro-patterns for every product state: Empty States, Loading States (skeleton screens, spinners, optimistic UI), Error States, Success States, Confirmation Dialogs, Onboarding Flows, and Progressive Disclosure. These patterns apply to every feature — done…