Developers

Plan, design, and implement A/B tests — hypothesis writing, sample size calculation, variant design, statistical significance thresholds, and results interpretation.

Design and orchestrate multi-agent AI systems — define agent roles, communication protocols, tool use patterns, and failure recovery strategies.

Design agentic workflows for automation — map task sequences, define tool use patterns, set human-in-the-loop checkpoints, and optimize for reliability.

Backlog management, INVEST-compliant user story writing, sprint capacity planning, and epic breakdown for agile product teams.

Implement and audit analytics tracking — GA4, Google Tag Manager, event tracking, conversion tracking, UTM parameters, and measurement plans.

Review REST and GraphQL API designs for consistency, developer experience, versioning strategy, and adherence to industry standards.

Build comprehensive API test suites — contract tests, integration tests, load tests, and automated regression for REST and GraphQL APIs.

Optimize iOS and Android app store listings — keyword research, title and subtitle optimization, screenshot strategy, and rating/review management.

A Composio community skill for building richer Claude artifacts with modern frontend patterns and UI components.

Administer Jira and Confluence at scale — user management, permission schemes, SSO integration, security configuration, and disaster recovery planning.

Create and manage Jira and Confluence templates — sprint retrospectives, project charters, risk registers, and 15+ reusable blueprints for common workflows.

AWS Bedrock AgentCore skill for deploying, managing, and scaling agent infrastructure across Gateway, Runtime, Memory, Identity, and related services.

AWS CDK expert skill for building cloud infrastructure with TypeScript or Python using best-practice CDK patterns.

AWS cost optimization and operations skill for pricing analysis, CloudWatch monitoring, budget review, and operational excellence.

AWS documentation and MCP setup skill for configuring AWS knowledge tools, credentials, and connectivity in Claude workflows.

AWS serverless and event-driven architecture skill for Lambda, API Gateway, DynamoDB, Step Functions, EventBridge, SQS, and SNS systems.

Cloud infrastructure design and optimization on AWS — VPCs, IAM, compute, databases, serverless, and cost optimization from a certified architect perspective.

A Composio community skill for turning release notes, commits, and updates into a cleaner changelog draft.

Build production CI/CD pipelines for GitHub Actions, GitLab CI, and CircleCI — from lint and test to deploy with environment promotion and rollbacks.

Information security leadership — risk quantification, compliance roadmaps (SOC2, ISO 27001), security architecture, and board-level security reporting.

Anthropic's official skill for working with the Claude API, examples, and API-oriented workflows.

Deep code review for TypeScript, JavaScript, Python, and Go — anti-pattern detection, security issues, performance bottlenecks, and quality metrics.

Get up to speed on any codebase fast — architecture overview, key entry points, data flow diagrams, and a curated reading order for new contributors.

Design and manage Confluence knowledge bases — space architecture, page templates, documentation strategy, and making Confluence actually useful for teams.

Customize a Claude Code plugin for a specific organization's tools and workflows.

Guide users through creating a new plugin from scratch in a cowork session.

Technical leadership guidance — engineering team scaling, technology strategy, build vs. buy decisions, and architecture at the executive level.

Answer data questions -- from quick lookups to full analyses. Use when looking up a single metric, investigating what's driving a trend or drop, comparing segments over time, or preparing a formal data report for stakeholders.

Build an interactive HTML dashboard with charts, filters, and tables. Use when creating an executive overview with KPI cards, turning query results into a shareable self-contained report, building a team monitoring snapshot, or needing multiple charts with filters in one browser-openable file.

Create publication-quality visualizations with Python. Use when turning query results or a DataFrame into a chart, selecting the right chart type for a trend or comparison, generating a plot for a report or presentation, or needing an interactive chart with hover and zoom.

Generate or improve a company-specific data analysis skill by extracting tribal knowledge from analysts.

Create effective data visualizations with Python (matplotlib, seaborn, plotly). Use when building charts, choosing the right chart type for a dataset, creating publication-quality figures, or applying design principles like accessibility and color theory.

Profile and explore a dataset to understand its shape, quality, and patterns. Use when encountering a new table or file, checking null rates and column distributions, spotting data quality issues like duplicates or suspicious values, or deciding which dimensions and metrics to analyze.

Write correct, performant SQL across all major data warehouse dialects (Snowflake, BigQuery, Databricks, PostgreSQL, etc.). Use when writing queries, optimizing slow SQL, translating between dialects, or building complex analytical queries with CTEs, window functions, or aggregations.

Apply statistical methods including descriptive stats, trend analysis, outlier detection, and hypothesis testing. Use when analyzing distributions, testing for significance, detecting anomalies, computing correlations, or interpreting statistical results.

QA an analysis before sharing -- methodology, accuracy, and bias checks. Use when reviewing an analysis before a stakeholder presentation, spot-checking calculations and aggregation logic, verifying a SQL query's results look right, or assessing whether conclusions are actually supported by the data.

Write optimized SQL for your dialect with best practices. Use when translating a natural-language data need into SQL, building a multi-CTE query with joins and aggregations, optimizing a query against a large partitioned table, or getting dialect-specific syntax for Snowflake, BigQuery, Postgres, etc.

Design production-grade databases — schema modeling, normalization, indexing strategy, query optimization, and choosing between SQL and NoSQL.

Audit project dependencies for vulnerabilities, outdated packages, license risks, and bloat — with a prioritized remediation plan.

A Composio skill for analyzing developer-facing growth patterns, signals, and performance context.

Build production-ready HTML email templates — responsive design, dark mode support, email client compatibility, and reusable component libraries.

Create or evaluate an architecture decision record (ADR). Use when choosing between technologies (e.g., Kafka vs SQS), documenting a design decision with trade-offs and consequences, reviewing a system design proposal, or designing a new component from requirements and constraints.

Review code changes for security, performance, and correctness. Trigger with a PR URL or diff, "review this before I merge", "is this code safe?", or when checking a change for N+1 queries, injection risks, missing edge cases, or error handling gaps.

Structured debugging session — reproduce, isolate, diagnose, and fix. Trigger with an error message or stack trace, "this works in staging but not prod", "something broke after the deploy", or when behavior diverges from expected and the cause isn't obvious.

Pre-deployment verification checklist. Use when about to ship a release, deploying a change with database migrations or feature flags, verifying CI status and approvals before going to production, or documenting rollback triggers ahead of time.

Write and maintain technical documentation. Trigger with "write docs for", "document this", "create a README", "write a runbook", "onboarding guide", or when the user needs help with any form of technical writing — API docs, architecture docs, or operational runbooks.

Run an incident response workflow — triage, communicate, and write postmortem. Trigger with "we have an incident", "production is down", an alert that needs severity assessment, a status update mid-incident, or when writing a blameless postmortem after resolution.

Generate a standup update from recent activity. Use when preparing for daily standup, summarizing yesterday's commits and PRs and ticket moves, formatting work into yesterday/today/blockers, or structuring a few rough notes into a shareable update.

Design systems, services, and architectures. Trigger with "design a system for", "how should we architect", "system design for", "what's the right architecture for", or when the user needs help with API design, data modeling, or service boundaries.

Identify, categorize, and prioritize technical debt. Trigger with "tech debt", "technical debt audit", "what should we refactor", "code health", or when the user asks about code quality, refactoring priorities, or maintenance backlog.

Design test strategies and test plans. Trigger with "how should we test", "test strategy for", "write tests for", "test plan", "what tests do we need", or when the user needs help with testing approaches, coverage, or test architecture.

Design secure secrets management workflows — vaults, rotation policies, environment variable hygiene, and developer-friendly secret distribution.

Design testable product hypotheses with correct sample sizing, success metrics, and guardrail metrics to run valid product experiments.

Optimize lead capture, contact, demo request, and application forms — reduce friction, improve completion rates, and increase qualified submissions.

Plan, evaluate, and build free tools for marketing — calculators, generators, and interactive tools that generate leads, SEO value, and brand awareness.

Anthropic's official frontend-focused skill for UI exploration, interface thinking, and design execution support.

Navigate EU GDPR and German DSGVO compliance — data processing agreements, DPIAs, privacy policies, consent management, and data subject rights workflows.

Master Git worktrees — manage multiple branches simultaneously, set up parallel development workflows, and avoid branch-switching friction.

Automate Google Workspace administration with gws CLI — user provisioning, group management, Drive policies, and security audit workflows.

Lead incident response from detection to resolution — coordinate teams, run war rooms, draft status updates, and produce postmortems.

Implement and manage an ISMS per ISO 27001/27002 — risk assessments, security controls, incident management, and certification readiness.

Design structured technical and behavioral interview processes — question banks, evaluation rubrics, calibration guides, and fair assessment frameworks.

JQL query writing, custom workflow design, automation rules, dashboard configuration, and Jira best practices for software and project teams.

Scaffold production-ready Next.js/React landing pages with Tailwind CSS, copywriting frameworks (PAS, AIDA, BAB), and SEO-optimized structure.

A Composio community skill for pulling LangSmith traces into Claude workflows for debugging and inspection.

Anthropic's official skill for building or reasoning about Model Context Protocol tooling and integrations.

Create Model Context Protocol servers from scratch — define tools, resources, and prompts, then wire up to external APIs or local services.

Plan and execute code and system migrations — database migrations, framework upgrades, cloud migrations, and monolith-to-microservices transitions.

Navigate and manage monorepos — understand Nx/Turborepo setups, optimize build caching, manage affected dependencies, and enforce workspace boundaries.

Microsoft 365 enterprise administration — user management, security policies, SSO/SAML setup, compliance, and tenant optimization.

Design comprehensive observability for distributed systems — metrics, logs, traces, alerting rules, and dashboards that surface real problems fast.

Optimize post-signup onboarding and user activation — first-run experience, empty states, activation checklists, and time-to-value improvements.

Create and optimize in-app paywalls, upgrade modals, and feature gates — convert free users to paid with the right message at the right moment.

Profile and optimize application performance — CPU, memory, network, and database bottlenecks identified and fixed with measurable improvements.

Production-grade Playwright test suites — test generation, flaky test diagnosis, migration from Cypress, and E2E coverage strategy.

Expert pull request reviews — code quality, architectural impact, test coverage, security implications, and developer-friendly feedback.

Define KPIs, build product dashboards, set up funnel analysis, and translate data into product decisions — metrics that actually drive the product forward.

Create a competitive analysis brief for one or more competitors or a feature area. Use when informing product strategy or feature prioritization, building sales battle cards, prepping board or investor materials, or deciding where to differentiate vs. achieve parity.

Review and analyze product metrics with trend analysis and actionable insights. Use when running a weekly, monthly, or quarterly metrics review, investigating a sudden spike or drop, comparing performance against targets, or turning raw numbers into a scorecard with recommended actions.

Update, create, or reprioritize your product roadmap. Use when adding a new initiative and deciding what moves to make room, shifting priorities after new information comes in, moving timelines due to a dependency slip, or building a Now/Next/Later view from scratch.

Plan a sprint — scope work, estimate capacity, set goals, and draft a sprint plan. Use when kicking off a new sprint, sizing a backlog against team availability (accounting for PTO and meetings), deciding what's P0 vs. stretch, or handling carryover from the last sprint.

Generate a stakeholder update tailored to audience and cadence. Use when writing a weekly or monthly status for leadership, announcing a launch, escalating a risk or blocker, or translating the same progress into exec-brief, engineering-detail, or customer-facing versions.

Synthesize user research from interviews, surveys, and feedback into structured insights. Use when you have a pile of interview notes, survey responses, or support tickets to make sense of, need to extract themes and rank findings by frequency and impact, or want to turn raw feedback into roadmap recommendations.

Write a feature spec or PRD from a problem statement or feature idea. Use when turning a vague idea or user request into a structured document, scoping a feature with goals and non-goals, defining success metrics and acceptance criteria, or breaking a big ask into a phased spec.

Build SEO-driven pages at scale using templates and data — location pages, comparison pages, integration pages, and other high-volume keyword strategies.

Design and build Retrieval-Augmented Generation systems — chunking strategies, embedding selection, vector store setup, and query pipeline optimization.

Manage software releases end to end — release checklists, versioning strategy, changelog generation, rollback plans, and stakeholder communication.

Generate clear operational runbooks — step-by-step procedures for deployments, incident response, disaster recovery, and routine maintenance tasks.

Generate production-ready SaaS boilerplate with Next.js, TypeScript, authentication, payments (Stripe), and Docker — skip months of setup work.

Add and optimize structured data for rich snippets — JSON-LD implementation for FAQ, Product, Review, Organization, and other schema types.

Sprint planning, agile ceremonies facilitation, backlog management, and velocity tracking — an expert Scrum Master in your workflow.

Design system architecture with C4 and sequence diagrams, write Architecture Decision Records, evaluate tech stacks, and guide architectural trade-offs.

REST and GraphQL API development, database schema optimization, authentication patterns, and backend architecture decisions from a senior engineer.

Object detection, image segmentation, visual AI model implementation, and computer vision pipeline design from a senior engineer perspective.

ETL/ELT pipeline design, data warehouse architecture, dbt transformations, and data infrastructure at scale from a senior data engineer.

Data analysis, statistical modeling, ML experiment design, and insights generation — a senior data scientist perspective on your data problems.

CI/CD pipeline design, Infrastructure as Code, containerization with Docker and Kubernetes, and deployment automation from a senior DevOps perspective.

React and Next.js component development, bundle optimization, performance tuning, and accessibility best practices from a senior engineer perspective.

End-to-end project scaffolding with Next.js, FastAPI, MERN, and Django — full-stack code quality analysis and frontend-backend integration.

Machine learning model implementation, training pipelines, evaluation frameworks, and MLOps — production ML engineering from an expert perspective.

Portfolio management, risk analysis, stakeholder alignment, and project governance from a senior PM perspective — for complex multi-team initiatives.

LLM prompt design, chain-of-thought optimization, few-shot example selection, and systematic prompt testing — get the most out of any AI model.

Jest and React Testing Library test authoring, test coverage analysis, and Playwright E2E test scaffolding from a senior QA engineer perspective.

SAST/DAST scanning automation, CVE triage and remediation, GDPR and SOC2 compliance workflows, and security operations from a senior SecOps perspective.

Threat modeling, penetration testing guidance, zero-trust architecture design, and security code review from a senior security engineering perspective.

Optimize signup, registration, and trial activation flows — reduce friction, improve step completion, and increase activation from first visit.

Design URL hierarchy, information architecture, and navigation structure for SEO and user experience — sitemaps, internal linking strategy, and page taxonomy.

Anthropic's official meta-skill for designing and packaging new skills more systematically.

A Composio community skill for packaging, sharing, and distributing skills more cleanly across teams or communities.

Stripe payments, subscriptions, webhooks, and billing workflows — from checkout to dunning, built correctly the first time.

A step-by-step guide and live coding partner for test-driven development — write failing tests first, then implement just enough code to pass.

Scan a codebase for technical debt, categorize by severity and effort, and produce a prioritized remediation roadmap with business impact estimates.

Systematic technology selection — compare stacks on TCO, team fit, scalability, and ecosystem maturity, then get a clear recommendation with rationale.

Generate design tokens, typography scales, spacing grids, and responsive breakpoints — build or document a production-ready design system.

Anthropic's official skill for creating web-facing artifacts and structured frontend outputs.

Anthropic's official skill for testing web applications with a more repeatable, explicit QA workflow.