Best Oss AI Skills & MCP Servers
274 curated Oss skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Notion
Search across your Notion workspace and connected sources to quickly find pages, databases, and users. View full page and database details for deeper context. Create and update pages, manage databases, move or duplicate content, and add comments to keep work organized.
Google Calendar
Schedule events, check availability, and manage calendars. Create meetings, set reminders, and coordinate across time zones.
Polymarket
Discover and filter Polymarket prediction markets and events by tags, volume, liquidity, and activity. Analyze individual markets with probabilities, market health, and recent trade insights to inform decisions. Track trends across categories to spot opportunities and compare sen
Stock Catalyst
Analyze significant price movements in US stocks to provide clear explanations behind market shifts. Identify key drivers such as earnings reports, news events, and analyst ratings for major companies across the S&P 500 and NASDAQ. Stay informed on broader sector trends by pinpoi
paper-search-mcp-openai-v2
Find and download academic papers from leading sources like arXiv, PubMed, bioRxiv, medRxiv, Google Scholar, Semantic Scholar, CrossRef, and IACR. Get standardized results and fetch full-text PDFs when available. Accelerate literature reviews with deep search and effortless retri
Jobs Base
Builder roles like founding engineers, solo builders, and "0 to 1" positions are scattered across dozens of job boards with no way to filter for them specifically. [jobsbase.io](https://jobsbase.io) is a curated job board that only surfaces these roles. Search by location, salary
UCP Checker
A universal commerce gateway for AI agents to interact with UCP-enabled stores. Enables live product discovery, real-time catalog search, and checkout generation across verified Shopify stores (e.g., Allbirds, Gymshark). Use this to find products, verify merchant capabilities, an
nordic-financial-mcp
Semantic search across 1+ million vectors across Nordic financial data for AI agents. Covers company filings (annual and quarterly reports), exchange announcements, and press releases from Norway, Sweden, Denmark and Finland — plus macroeconomic data including interest rates, GDP
Financial Services
AI-powered financial services marketplace connecting borrowers with 200+ lenders across loans, mortgages, credit cards, and banking products. 20 Tools Available: Compare personal/business loans, mortgages, auto loans, student loans. Calculate loan payments and mortgage PITI. Com
Drop Beacon
MCP server for Drop Beacon (edc4me.com) — search and explore 80,000+ EDC products across 1,000+ brands. Track new drops, compare prices across retailers, check real-time stock availability, and analyze market trends for knives, flashlights, fidget toys, wallets, pens, and more.
About Oss skills on iClaude
iClaude is the universal install layer for AI skills. Every Oss skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.