Best Oss AI Skills & MCP Servers
253 curated Oss skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
sic-codes
Free UK SIC code lookup, GICS/ICB cross-classification mapping, and Companies House company search. No API key required. lookup_sic_code - Look up any SIC, GICS, or ICB code with full hierarchy and cross-mappings search_sic_codes - Describe a business activity in plain Englis
Malaysia Transit MCP
A Model Context Protocol server that taps access to real-time bus and train information across 12 Malaysian cities. Get live arrivals, vehicle tracking, and route details from Rapid KL, Rapid Penang, and various BAS.MY services across Malaysia. Currently covering the following a
openvan-travel
OpenVan MCP Server exposes OpenVan.camp public APIs over the Model Context Protocol: fuel prices across 125+ countries, VanSky weather suitability scores (0–100), VanBasket food price index, currency exchange rates, vanlife events (expos, festivals, meetups) and aggregated news s
quantoracle
63 deterministic quant computation tools for AI agents. Black-Scholes, Greeks, exotic derivatives, portfolio optimization, Monte Carlo, risk metrics (VaR, Sharpe, drawdown), technical indicators, bond pricing, yield curves, crypto/DeFi (impermanent loss, liquidation, funding rate
Transita MCP
Visa eligibility matcher and immigration intelligence for MCP-compatible AI assistants. Scores ~45 visa pathways across 8 countries with country comparisons, document checklist previews, and curated nationality guides. Every match linked back to the official government source.
SkillFlow - AI Skills Marketplace
The curated marketplace for AI agent skills. Search, discover, and install verified skills for Claude, GPT, Cursor, and other AI platforms via MCP. Features 50+ skills across 12 categories with trust scores, compatibility info, and one-click install instructions. ## Key Features
SubwayInfo NYC
Real-time NYC transit data for subway, bus, ferry, commuter rail, and Citi Bike. Get live arrivals, service alerts, trip planning, and station info across all MTA services. Zero API key required - just connect and query.
tulugar-real-estate
Search real estate listings, development projects, agents, and market data in Paraguay. Get pricing, Airbnb/STR stats, and neighborhood-level insights across South America.
eventflare-mcp
Search 8,000+ corporate event venues across 40+ cities. Tools for venue search by capacity/category, pricing guides, expert advice articles, and inquiry handoff. Read-only, PII-redacted, UTM-attributed.
LI.FI
Cross-chain swaps, bridging, and DeFi yield discovery via the LI.FI aggregator. Provides MCP tools for quotes, routes, token and chain metadata, transaction status, ERC20 allowances, and yield vaults across 58 chains, 27+ bridges, and 31+ DEXes. Read-only — returns unsigned trans
MCP Market Russia
MCP server for Russian construction market data. Access 3,395 construction companies, 13,436 projects across 18 regions of Russia. Search contractors, compare prices, analyze ratings, get market reports — all via MCP protocol. 21 tools including search, analytics, cost estimation
Seoul Essentials
Locate public facilities across Seoul including pharmacies, restrooms, WiFi hotspots, and tourist information centers. Identify nearby services using geographic coordinates or specific district filters to find help quickly. Access subway timetables to navigate the city's transit
CupShup Marketing Knowledge Base
Search CupShup's marketing knowledge base — services, case studies, and insights from India's leading integrated marketing agency. Covering BTL, RWA activations, digital marketing, and brand activations across 500+ brands served since 2014. Every response links back to cupshup.co
talnexis
TalNexis gives your AI assistant real-time hiring intelligence across 98 top tech companies — Anthropic, Nvidia, Stripe, Anduril, Snowflake, and more. Data is scraped daily from public job boards. Ask about top hiring movers, AI/ML role trends, company-specific signals, or secto
C++ Core Guidelines
Enforce consistent C++ style and best practices across your codebase. Analyze naming, memory safety, and const correctness, and get actionable modernization suggestions up to C++23. Accelerate reviews with ready-made prompts and quick access to curated guidelines.
RowHint
# RowHint MCP Server Airline seat quality intelligence via MCP. Per-seat quality scores (1-10) with plain-English notes for **66+ aircraft configurations** across 10 US airlines. Every score is hand-verified against live airline seat maps. ## Setup Add to your Claude Desktop c
Public Transport
Access real-time public transport across Europe with live departures, connections, and vehicle details. Plan door-to-door trips, search stations and places, and find nearby stops with up-to-the-minute results. Benefit from coverage in the UK, Switzerland, Belgium, and Norway.
BopMarketplace
BopMarket MCP server gives AI agents full marketplace access: search products across 5 platforms, view details, manage carts, checkout with payments, track orders, create listings, monitor prices, and manage accounts — all through 13 tools with human-in-the-loop spending controls
humanmcp-marketplace
Federated search across personal humanMCP servers. Find listings, offers, and trades published by humans. 3 tools: search_marketplace, list_servers, get_server.
apteka-cis
CIS pharmacy aggregator — search medicines, compare prices, and find pharmacies across Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine, Georgia, Armenia, and Azerbaijan.
Google Drive
Upload, organize, and share files in the cloud. Manage folders, set permissions, and search across stored documents.
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
Tripitaka MCP
MCP server for the full Pāli Tipiṭaka — ~444,000 segments at parity with SuttaCentral (Sutta + Vinaya + Abhidhamma). Hybrid search, full-sutta fetch with cross-references, segment-aligned translation comparison, and Pāli word lookup. Offered as Dhamma Dāna.
TrustRails - UK Electronics Product Finder
Search and compare 26,000+ UK electronics products across multiple retailers including AO. Get real-time prices, stock availability, and price comparison across retailers in a single search. Covers laptops, phones, tablets, headphones, TVs, monitors, cameras, gaming, 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.