Alternatives

Ref Downloader alternatives for AI agents.

Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.

Current skill

Ref Downloader

Batch-download reference PDFs from a DOI or paper PDF using Crossref and your institutional Edge session.

72
Quality
78
Trust
116
Stars
#1

Agent Skills

Similarity 75Trust 78Excellent 100

Production-grade engineering skills and quality gates for AI coding agents.

62K starsJun 1, 2026 pushCoding AgentsClaude CodeCursor
$ npx skills add addyosmani/agent-skills
#2

OpenBB

Similarity 73Trust 78Excellent 100

Open-source investment research platform for financial analysis agents.

46K starsJun 1, 2026 pushFinancePythonCodex
$ npx skills add OpenBB-finance/OpenBB
#3

Webapp Testing

Similarity 69Trust 88Excellent 100

Use Playwright to interact with and test local web applications, capture screenshots, debug UI behavior, and inspect browser logs.

163K starsJul 17, 2026 pushbrowser-automationClaude CodeCodex
$ npx skills add anthropics/skills --skill webapp-testing
#4

Playwright Browser Skill

Similarity 68Trust 85Excellent 100

Automate a real browser from the terminal for navigation, form filling, snapshots, screenshots, extraction, and UI-flow debugging.

24K starsJul 14, 2026 pushbrowser-automationCodexClaude Code
$ npx skills add openai/skills --skill playwright
#5

Crawl4AI

Similarity 68Trust 82Excellent 100

Open-source LLM-friendly web crawler and scraper for agent workflows.

66K starsJun 1, 2026 pushWeb ScrapingCodexClaude Code
$ npx skills add unclecode/crawl4ai
#6

Last30days Skill

Similarity 67Trust 80Excellent 100

Research recent cross-source changes across Reddit, X, YouTube, Hacker News, and the web.

43K starsJun 1, 2026 pushResearchCodexClaude Code
$ npx skills add mvanhorn/last30days-skill
#7

LlamaIndex

Similarity 66Trust 81Excellent 100

Data framework for building RAG and knowledge workflows around agent tasks.

42K starsJun 1, 2026 pushRAGPythonCodex
$ npx skills add run-llama/llama_index
#8

Playwright

Similarity 65Trust 80Excellent 100

Reliable browser automation and testing engine for web agent tasks.

76K starsJun 1, 2026 pushBrowser AutomationNode.jsPython
$ npx skills add microsoft/playwright
#9

Browser Use

Similarity 65Trust 77Excellent 100

Browser automation layer for agents that need to interact with websites.

75K starsJun 1, 2026 pushBrowser AutomationPythonBrowser
$ npx skills add browser-use/browser-use
#10

Earnings Calendar

Similarity 63Trust 82Excellent 100

Build an upcoming US earnings calendar with dates, timing, consensus estimates, and market-impact context.

2.6K starsAug 10, 2026 pushFinanceClaude CodeCodex
$ npx -y skills add tradermonty/claude-trading-skills --skill earnings-calendar
#11

Aaron Marketing Skills

Similarity 63Trust 81Excellent 100

120 marketing skills for SEO/GEO, influencer, paid ads, email, launch, organic social, and brand narrative agents.

2.3K starsJun 1, 2026 pushMarketingClaude CodeCodex
$ npx skills add aaron-he-zhu/aaron-marketing-skills
#12

Vectorbt

Similarity 62Trust 77Excellent 100

Fast quantitative research and backtesting workflows for financial agents.

5.4K starsJun 1, 2026 pushFinancePythonCodex
$ npx skills add polakowo/vectorbt
#13

Taste Skill: Anti-Slop Frontend

Similarity 62Trust 93Excellent 100

Design and implementation guidance for distinctive landing pages, portfolios, product demos, and purposeful redesigns.

66K starsJul 20, 2026 pushdesign-creativeCodexClaude Code
$ npx skills add Leonxlnx/taste-skill --skill design-taste-frontend
#14

Vercel React Best Practices

Similarity 61Trust 93Excellent 100

React and Next.js performance guidance for writing, reviewing, and refactoring production UI code.

29K starsJul 20, 2026 pushcoding-agentsCodexClaude Code
$ npx skills add vercel-labs/agent-skills --skill vercel-react-best-practices
#15

StatsBomb Open Data

Similarity 61Trust 78Excellent 100

Open football event data for match analysis, xG research, scouting, and World Cup-style dashboards.

3.9K starsJun 1, 2026 pushSports AnalyticsPythonCodex
$ npx skills add statsbomb/open-data
#16

David Ondrej Skills

Similarity 61Trust 80Excellent 100

Official Agent Skills for coding agents, research, workflow orchestration, docs, ops, and skill authoring.

968 starsJul 5, 2026 pushAgent SkillsCodexClaude Code
$ npx skills add davidondrej/skills

How to choose

When should you switch?

Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Ref Downloader if it already passes your workflow test and repository review.

Next step

Compare top candidates side by side

Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.