Skill collection
cosmicstack-labs/mercury-agent-skills
136 agent skills across 16 categories, read straight from the repository tree.
Cosmic Stack3,294★ across the radarProfile →Tracked on the radar · 364★Repository facts and velocity →
Design & Presentation · 13
All in category →agent-task-delegationDesign and operate task delegation systems for multi-agent fleets. Covers workload distribution, load…error-recovery-retryDesign robust error recovery, retry logic, and fallback strategies for production AI agents. Covers transient…memory-managementDesign and operate memory systems for long-running AI agents. Covers context window optimization…prompt-engineeringMaster the art and science of crafting effective prompts for large language models. Covers foundational…Workflow AutomationMaster workflow design, n8n patterns, automation triggers, error handling, and monitoring for reliable…interview-prepBehavioral frameworks, technical interview patterns, system design, coding, and negotiation prepaccessibilityAchieve and maintain WCAG compliance through inclusive design practices, proper ARIA usage, and comprehensive…assessment-designFormative vs summative, rubric design, authentic assessment, competency-based evaluation, and feedbackcurriculum-designLearning objectives (Bloom\'s), scope and sequence, assessment, instructional strategies, and mapping
AI & Agents · 10
All in category →agent-health-monitoringMonitor AI agent health, detect anomalies, set up alerting, and maintain observability dashboards for…prompt-version-managementManage prompt versions, run A/B tests across agent prompts, track performance regressions, and safely roll…routerbase-model-gatewayConfigure RouterBase as an OpenAI compatible model gateway for AI apps, with routing, fallback, media…token-budget-trackingTrack, optimize, and control token consumption across multi-agent systems. Covers budget allocation…negotiationA comprehensive skill for mastering negotiation — from preparation and frameworks to tactics, multi-party…startup-strategyA comprehensive skill for building and scaling startups — covering lean methodology, product-market fit…learning-scienceSpaced repetition, active recall, interleaving, dual coding, metacognition, and study techniquesmobile-performanceApp startup, memory management, battery efficiency, network optimization, and profiling toolsProduct StrategyA comprehensive skill for product strategy — covering frameworks, opportunity sizing, prioritization, roadmap…
Testing & QA · 9
All in category →twitter-account-managerEDUCATIONAL / RESEARCH ONLY — Single-account always-on Twitter/X manager driven by cookies + headless…event-staffing-orderingOrder W-2 compliant temporary event staff for conventions, trade shows, festivals, concerts, sporting events…testing-strategiesComprehensive testing strategy covering unit, integration, e2e, property-based, and mutation testing with…frontend-testingComprehensive frontend testing strategy covering unit, integration, E2E, visual regression, and accessibility…e2e-testingPlaywright and Cypress patterns, selectors, assertions, API mocking, visual testing, and CI/CDperformance-testingLoad, stress, spike testing with k6/Locust, bottleneck analysis, and performance test automationtest-strategyTest pyramid, risk-based testing, test planning, coverage metrics, and SDLC integrationstaff-schedulerBuild optimized staff schedules that match coverage to demand while respecting labor budgets, employee…screenshotCapture high-fidelity screenshots of any website using Playwright — supports custom viewports, dark/light…
Content & Marketing · 9
All in category →x-twitter-automationDesign safe X/Twitter automation workflows for tweet search, reply reads, monitoring, posting, and…linkedin-optimizationProfile optimization, content strategy, networking, thought leadership, and personal brandingcontent-repurposerA content multiplication engine that transforms a single piece of content into multiple formats across…personal-branding-statementA personal brand coach that helps you articulate who you are, what you do, and why it matters. Generates…storytelling-advisorA narrative architecture coach that guides you through proven story frameworks — Hero's Journey, Pixar…micro-learningContent chunking, mobile-first learning, spaced delivery, engagement patterns, and platform best practiceslegal-downloadingLegal Downloading: Copyright-aware downloading, content that allows offline access, podcast tools, and…app-store-optimizationKeyword research, title/subtitle strategy, screenshots, ratings, A/B testing, and conversion optimizationsocial-postGenerate engaging social media content for a shop or restaurant — daily specials, behind-the-scenes, customer…
Security · 8
All in category →authentication-authorizationJWT, OAuth2, SAML, session management, RBAC, ABAC, and MFA implementationdependency-managementVersion pinning, vulnerability scanning, monorepo patterns, and upgrade workflowsdocker-patternsMaster Dockerfile optimization, multi-stage builds, docker-compose patterns, security hardening, and image…risk-managementRisk identification, assessment matrices, mitigation strategies, BCP, and risk reportingsecure-codingComprehensive secure coding practices covering input validation, authentication, authorization, cryptography…security-auditComprehensive security audit methodology covering OWASP Top 10, dependency scanning, threat modeling, and…accessibility-testingWCAG 2.1/2.2 audit, axe, Lighthouse, manual testing, screen reader testing, and remediationagent-audit-loggingImplement comprehensive audit logging and reporting for multi-agent systems. Covers event capture, structured…
Frontend · 8
All in category →ui-design-systemMaster the creation, maintenance, and governance of design systems — from design tokens and component…component-design-systemsBuilding and maintaining scalable component libraries, design tokens, accessibility, and cross-team…nextjs-patternsNext.js best practices, server components, app router patterns, caching strategies, and full-stack…react-patternsComponent patterns, hooks, state management, and performance optimization for React applicationsresponsive-designResponsive web design patterns, mobile-first CSS, container queries, fluid typography, and…state-managementModern frontend state management patterns, tools, architecture decisions, and scalability patternstailwind-cssBest practices for utility-first CSS with Tailwind, responsive design, and component patternsreact-native-patternsNavigation, state management, native modules, performance, animations, and cross-platform strategies
Code Review & Quality · 8
All in category →clean-codePrinciples and practices for writing readable, maintainable, and testable codecode-reviewSystematic code review methodology, PR checklist, feedback techniques, and review automation patternsgit-workflowGit best practices, branching strategies, commit conventions, and code review patternsrefactoring-patternsSystematic refactoring techniques, code smell elimination, pattern extraction, and legacy modernizationcontract-reviewContract types, key clauses (indemnification, liability, termination), redlining, and negotiation strategylocal-business-growthA mini marketing agency in skill form — 7 practical, actionable marketing skills designed for local business…any2pdfConvert Markdown to publication-quality PDF with reportlab — CJK/Latin mixed text, themes, cover pages…review-responderMonitor customer reviews across platforms and generate thoughtful, brand-aligned responses. Flags urgent…
Data & Analytics · 8
All in category →hyperframesCreate, compose, animate, and render HTML-based video compositions using HyperFrames — an open-source video…privacy-complianceGDPR, CCPA, HIPAA, data mapping, consent management, DSR handling, and privacy program managementseo-strategyComprehensive guide to search engine optimization strategy covering technical SEO, content optimization…ios-swift-patternsSwiftUI, UIKit, MVVM, Combine, async/await, Core Data, and App Store submission patternsreport-generationCreating structured PDF reports from data, templates, and AI-generated content using professional toolchainsdata-storytellingData Storytelling for Slides: Charts, graphs, data visualization, and narrative techniques for presenting…presentation-automationPresentation Automation: python-pptx, Google Slides API, automated slide generation from data and templatesdata-pipelineComprehensive guide to data pipeline design, ETL/ELT patterns, data quality, monitoring, orchestration, and…
Backend & API · 7
All in category →api-designREST and GraphQL API design principles, versioning, error handling, and documentation patternsnodejs-patternsAsync control flow, error handling, module design, streams, and production hardeningevent-staffing-complianceAssess worker classification and compliance risk for temporary event staffing in the US and Canada. Use when…api-documentationAPI Documentation: OpenAPI/Swagger specs, Postman collections, API reference patterns, and client SDK docsdocumentation-generationEffective technical documentation strategies, API docs, README patterns, and doc generation workflowshyperframes-mediaAsset preprocessing for HyperFrames compositions — local text-to-speech narration (Kokoro-82M, no API key)…api-testingREST and GraphQL testing, Postman/Insomnia patterns, contract testing, schema validation, and monitoring
DevOps & Cloud · 6
All in category →serverless-patternsLambda, cold starts, event-driven design, API Gateway, and serverless frameworkshyperframes-cliHyperFrames CLI dev loop — project scaffolding, validation (lint/inspect), browser preview with live reload…cloud-architectureMulti-cloud, VPC design, high availability, disaster recovery, and cost optimizationkubernetes-patternsPods, deployments, services, ingress, RBAC, autoscaling, and production cluster best practicesterraform-iacState management, modules, workspaces, remote backends, and multi-environment strategiesci-cd-pipelineDesign and implement production-grade CI/CD pipelines with GitHub Actions, layered testing strategies, secure…
Documentation · 6
All in category →resume-writingATS optimization, achievement frameworks (STAR, CAR), formatting, tailoring, and portfolio presentationarchitecture-decision-recordsADR methodology, templates, decision capture workflows, and architectural governance patternsknowledge-baseKnowledge Base Creation: Searchable wikis, internal documentation portals, knowledge management systemsmarkdown-masteryMarkdown Mastery: Advanced markdown, Mermaid diagrams, GitHub-flavored markdown, formatting patternstechnical-writingTechnical Writing Mastery: SOPs, user manuals, guides, release notes, and professional technical documentationcontent-creationComprehensive guide to strategic content creation covering content strategy, writing frameworks, optimization…
Business & Finance · 6
All in category →budgeting-forecastingZero-based budgeting, rolling forecasts, variance analysis, scenario planning, and budget managementfinancial-analysisRatio analysis, cash flow, ROI, break-even, forecasting, and financial storytellingpitch-deck-creationPitch Deck Creation: Investor pitch decks, Y Combinator applications, Product Hunt launches, and startup…table-managerOptimize table turns, manage reservations, and reduce wait times to maximize revenue per seat. Handles…menu-engineerOptimize menu pricing, placement, and item mix to maximize profitability. Uses menu engineering frameworks to…invoice-document-pdfGenerating invoices, contracts, forms, receipts, and business documents as professional PDFs
Media & Video · 5
All in category →daily-briefingAutomated daily tech briefing — multi-source collection → knowledge-base deduplication → AI summarization →…audio-extractionAudio Extraction: Extracting audio from videos, converting formats, and managing audio collectionsgithub-repo-promoGenerate 1080x1920 Instagram Reels video promos for GitHub repositories using HyperFrames. 7-beat structure…github-repo-tourGenerate a 15-30 second scrolling video tour of any GitHub repository page with ElevenLabs AI narration and…video-downloaderVideo Downloader: Using yt-dlp to download videos from YouTube, Bilibili, Twitter, and thousands of other…
Workflow & Productivity · 3
All in category →idea-validatorA structured idea testing framework that runs every concept through a reality checklist before you invest…meeting-note-summarizerTransforms messy meeting transcripts, notes, or voice memos into structured summaries with clear action…amazon-assistantHeadless Amazon assistant — cookie-based session reuse to search, compare, sort, manage cart, track orders…
Databases · 2
All in category →Other · 28
gbrain-liteLightweight personal knowledge base — markdown + YAML frontmatter structured notes with full-text search and…Shell ScriptingMaster shell scripting best practices, error handling, portability, debugging, and performance optimization…message-queuesRabbitMQ, Kafka, SQS, pub/sub, competing consumers, dead letter queues, and event streamingmicroservicesService boundaries, communication patterns, event sourcing, CQRS, and distributed tracingpython-patternsPython best practices including type hints, async patterns, testing, and project structuresalary-negotiationMarket research, compensation benchmarking, BATNA, total comp analysis, and offer evaluationdaily-standup-journalA structured reflection engine that generates daily standup prompts, journaling questions, and weekly…decision-matrixA structured reasoning assistant that helps you make clear, confident decisions using proven frameworks —…debugging-masteryStructured debugging methodology, root cause analysis, logging strategies, and troubleshooting workflows
monitoring-observabilitysre-practicesteaching-methodsweb-performancefitness-planninghabit-formationmental-healthnutrition-planningandroid-kotlin-patternstypesetting-latexbefore-you-builddaily-pulseinventory-optimizerzomato-ordercareer-planningtime-blocking-schedulerprice-scoutmarkdown-to-pdfplaylist-archiver
About this collection
How many skills does cosmicstack-labs/mercury-agent-skills publish?
136 that pass our gate — each has a real description and a SKILL.md we could read.
How do I install one?
Every skill page carries its own command — `npx skills add cosmicstack-labs/mercury-agent-skills --skill <name> --agent claude-code`. Swap the agent for codex, cursor or copilot.
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