Agent skills you can check before you install
Public SKILL.md skills from GitHub repositories with 50+ stars and from the vendors themselves, scanned and scored. Install any of them with one command in Claude Code, Cursor, Codex, GitHub Copilot or Gemini CLI.
48,168 skills from 2,325 repositories · updated 8 hours ago
48,168 skills
- flyio-cost-tuningjeremylongshore/tons-of-skills-marketplaceAnalyze Fly.io Machine, volume, network, IP, and Managed Postgres cost drivers without freezing volatile prices. Use when reducing spend or forecasting capacity. Trigger with: "audit Fly bill", "right-size Fly Machines", "reduce Fly idle cost".DataNo warnings★ 2.9K↓ —
- shipplugin87/ux-ui-agent-skillsPre-release gate. Run the full gate, responsive + render checks, then produce the release checklist (README badge/current/changelog). Use before tagging a release.MediaNo warnings★ 3.1K↓ —
- adobe-install-authjeremylongshore/tons-of-skills-marketplaceSelect and prove the correct Adobe authentication model, entitlement, product profile, and secret lifecycle before integration work. Use when creating or repairing Adobe credentials. Trigger with "set up Adobe auth", "Adobe OAuth server-to-server", or "Adobe user authentication".OtherNo warnings★ 2.9K↓ —
- gateplugin87/ux-ui-agent-skillsRun the one-command quality gate and report the real N/N result. Use before claiming any build/review is done.EngineeringNo warnings★ 3.1K↓ —
- gemininowork-studio/notfair-pluginCross-model second opinion from Google Gemini — a different AI reviewing the same changes, with deep Google ecosystem knowledge. Three modes: review (pass/fail gate for Google Ads campaigns, SEO metadata, or code), challenge (adversarial stress-test that tries to break your changes), and consult (open Q&A with Gemini on Google Ads strategy, SEO best practices, or implementation questions). Use when the user says "gemini review", "ask gemini", "gemini challenge", "second opinion from gemini", "consult gemini", "stress test with gemini", "what would gemini say", "cross-model review", or "get another opinion". Voice aliases: "gem", "gemini check". Especially useful for Google Ads changes, SEO metadata updates, campaign structure decisions, keyword strategies, and bid/budget changes — Gemini has native Google ecosystem knowledge that complements Claude's analysis.TestingNo warnings★ 4.1K↓ —
- mortgage-compliancedavepoon/buildwithclaudeEnforces mortgage regulatory compliance — TRID, RESPA, TILA, ECOA/Fair Lending, state licensing, required disclosures, and data privacy rules for all borrower interactions.LegalNo warnings★ 3.7K↓ —
- close-automationdavepoon/buildwithclaudeAutomate Close CRM tasks via Rube MCP (Composio): create leads, manage calls/SMS, handle tasks, and track notes. Always search tools first for current schemas.ProductivityNo warnings★ 3.7K↓ —
- clerk-install-authjeremylongshore/tons-of-skills-marketplaceInstall and configure Clerk SDK/CLI authentication. Use when setting up a new Clerk integration, configuring API keys, or initializing Clerk in your project. Trigger with phrases like "install clerk", "setup clerk", "clerk auth", "configure clerk API key", "add clerk to project".EngineeringNo warnings★ 2.9K↓ —
- ramp-hello-worldjeremylongshore/tons-of-skills-marketplaceVerify Ramp OAuth, environment, pagination, and monetary parsing with a bounded read-only transaction call. Use when checking credentials or preparing to enable a new integration. Trigger with "test Ramp connection" or "first Ramp API call".TestingNo warnings★ 2.9K↓ —
- data-context-extractoranthropics/knowledge-work-pluginsGenerate or improve a company-specific data analysis skill by extracting tribal knowledge from analysts. BOOTSTRAP MODE - Triggers: "Create a data context skill", "Set up data analysis for our warehouse", "Help me create a skill for our database", "Generate a data skill for [company]" → Discovers schemas, asks key questions, generates initial skill with reference files ITERATION MODE - Triggers: "Add context about [domain]", "The skill needs more info about [topic]", "Update the data skill with [metrics/tables/terminology]", "Improve the [domain] reference" → Loads existing skill, asks targeted questions, appends/updates reference files Use when data analysts want Claude to understand their company's specific data warehouse, terminology, metrics definitions, and common query patterns.OfficialProductivityNo warnings★ 34.1K↓ —Also in 1 other repo
- stakeholder-updatejeremylongshore/tons-of-skills-marketplaceCreate and review stakeholder status updates, progress reports, and executive summaries. Use when the user needs to write concise upward communication. Trigger with "stakeholder update", "status update", "progress report", "update leadership", "weekly update", or "executive summary".WritingNo warnings★ 2.9K↓ —
- physicsnemo-shard-tensorNVIDIA/skillsOfficial NVIDIA-authored guidance for PhysicsNeMo ShardTensor domain parallelism — integrate domain parallelism into training/inference scripts (new or existing) with DDP or FSDP2, write and register shard patches to enable new layers/ops, and bootstrap multi-GPU correctness tests. Use when working with ShardTensor, scatter_tensor, domain parallelism, sequence/spatial sharding, ring attention, DeviceMesh + DDP/FSDP2 hybrid parallelism, or physicsnemo.domain_parallel. Do NOT use for generic PyTorch DDP/FSDP setup without domain parallelism, picking a PhysicsNeMo model or example (use physicsnemo-discover), or non-distributed training questions.TestingNo warnings★ 3.8K↓ —
- gsd:workstreamsdavepoon/buildwithclaudeManage parallel workstreams — list, create, switch, status, progress, complete, and resumeOtherNo warnings★ 3.7K↓ —
- nvshmem-tune-performanceNVIDIA/skillsRoute NVSHMEM tuning to data collection, remote transport, NIC-to-PE mapping, or TMA. Do not use for unrelated CUDA, NCCL, or application tuning.OtherNo warnings★ 3.8K↓ —
- apollo-rate-limitsjeremylongshore/tons-of-skills-marketplaceImplement Apollo.io rate limiting and backoff. Use when handling rate limits, implementing retry logic, or optimizing API request throughput. Trigger with phrases like "apollo rate limit", "apollo 429", "apollo throttling", "apollo backoff", "apollo request limits".EngineeringNo warnings★ 2.9K↓ —
- apify-install-authjeremylongshore/tons-of-skills-marketplaceInstall and configure Apify SDK, CLI, and API client authentication. Use when setting up a new Apify project, configuring API tokens, or initializing apify-client / Apify SDK in your codebase. Trigger with "install apify", "setup apify", "apify auth", "configure apify token".EngineeringNo warnings★ 2.9K↓ —
- edgartoolsforyourhealth111-pixel/Vibe-SkillsPython library for accessing, analyzing, and extracting data from SEC EDGAR filings. Use when working with SEC filings, financial statements (income statement, balance sheet, cash flow), XBRL financial data, insider trading (Form 4), institutional holdings (13F), company financials, annual/quarterly reports (10-K, 10-Q), proxy statements (DEF 14A), 8-K current events, company screening by ticker/CIK/industry, multi-period financial analysis, or any SEC regulatory filings.FinanceNo warnings★ 3.8K↓ —
- wiki-lintAr9av/obsidian-wikiAudit wiki health: broken links, orphans, contradictions, stale content, lifecycle and tag issues. Use for maintenance or health checks. Default is report-only; use wiki-dedup for page-identity merges.OtherNo warnings★ 3.6K↓ —
- design-artifactplannotator/effective-htmlDesign principles and creative direction for building HTML artifacts — pages, reports, plans, landing pages, demos, decks, and small tools. Use when creating or restyling any visual HTML deliverable and deciding its palette, type pairing, layout, theming, or overall register, or when the output must not look generically AI-generated.DesignNo warnings★ 3.8K↓ —
- builderjeremylongshore/tons-of-skills-marketplaceHands-on implementation partner for creating tools, scripts, dashboards, and prototypes. Use when the user wants working software. Trigger with "build", "create tool", "make app", "implement", "prototype", or "automate".OtherNo warnings★ 2.9K↓ —
- principle-sequence-verifiable-unitsbacknotprop/pstackApply to multi-step work (sweeps, migrations, runs of similar edits) and to how you stack commits and PRs. Break work into small units that each end in a verifiable state, check each before the next, and order delivery so the sequence proves itself to a reviewer.WritingNo warnings★ 3.3K↓ —
- daskforyourhealth111-pixel/Vibe-SkillsParallel/distributed computing. Scale pandas/NumPy beyond memory, parallel DataFrames/Arrays, multi-file processing, task graphs, for larger-than-RAM datasets and parallel workflows.DataNo warnings★ 3.8K↓ —Also in 1 other repo
- howmichael-denyer/pstack-claudeUse for "how does X work", code walkthroughs before changing something, and placement / ownership / layering questions ("where should this live", "which package owns this", "is this the right layer"). Explains subsystem architecture, runtime flow, onboarding mental models. Use why for motivation.PlanningNo warnings★ 3.7K↓ —
- gsd:managerdavepoon/buildwithclaudeInteractive command center for managing multiple phases from one terminalOtherNo warnings★ 3.7K↓ —
principle-test-behavior-not-implementation
backnotprop/pstack
TestingUpdated 3 days ago
From the author
Apply when you write, change, or keep a test. Assert what the code's users can observe, so that the test fails when that behavior breaks and keeps passing when only the internals change.
Install
npx skills add backnotprop/pstack --skill principle-test-behavior-not-implementation -a claude-code
Installs to .claude/skills/principle-test-behavior-not-implementation/ · Each command fetches the skill straight from GitHub with the open skills CLI.
Download .zip
Byte-identical to the scanned commit, with the repository’s licence and a SOURCE.txt.
What it can touch
Instructions onlyNo network use seenLicence: MIT
Safety checks on SKILL.md
No warnings.
Why 90
Security100
Provenance82
Maintenance100
Licence100
Adoption56
Files (1)
- SKILL.md