Best Oss AI Skills & MCP Servers

Advanced cross-platform prompt optimization with MCP integration and 120+ optimization rules

Local MCP server hosting named, parameterized cross-MCP workflows. Phase 1: LinkedIn reporting pack.

MCP server providing unified access to Claude Code, Codex, Gemini, Grok, and Mistral Vibe CLIs with session management, retry logic, async job orchestration, durable job results, and cross-LLM validation.

Model Context Protocol (MCP) server for advanced GitHub repository analysis and code discovery. Provides AI assistants with powerful tools to search, analyze, and understand codebases across GitHub.

Cross-platform CLI tool for AI Game Developer (Skills & MCP). Full AI develop and test loop. Efficient token usage, advanced tools. Creates Unity project, installs plugins, configures tools, and manages HTTP connection with Unity Editor and a game made wi

MCP server for Q402 — gasless USDC, USDT, and RLUSD payments across 9 EVM chains, callable from Claude (Desktop / Code), OpenAI Codex CLI, and any other Model Context Protocol client.

MCP server for Crossref metadata coverage scoring

Round-robin orders across riders with capacity-aware routing.

Access real-time weather forecasts and climate data across Indonesia. Stay informed about recent seismic activity and natural disasters with official government alerts. Plan activities and ensure safety by monitoring environmental conditions from the national meteorological agenc

Search and discover products across a diverse marketplace of local stores. Access detailed information on specific items and store locations to streamline the shopping experience. Monitor platform statistics to stay informed on product availability and marketplace growth.

Simplify common data manipulation tasks like encoding, hashing, and formatting across various formats. Convert between CSV, JSON, Markdown, and HTML seamlessly to streamline data workflows. Extract insights from text and configurations through robust parsing, regex testing, and s

Search official Microsoft and Azure documentation to ground your answers with trusted, first-party content. Fetch complete articles when you need step-by-step guides, troubleshooting, and prerequisites. Retrieve the latest official code samples across languages to accelerate impl

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.

Federated search across personal humanMCP servers. Find listings, offers, and trades published by humans. 3 tools: search_marketplace, list_servers, get_server.

270+ quality-scored API capabilities for AI agents — compliance, company data, financial validation, web intelligence across 27 countries.

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

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.

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

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.

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

Search real estate listings, development projects, agents, and market data in Paraguay. Get pricing, Airbnb/STR stats, and neighborhood-level insights across South America.

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

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.

Search Cloudflare documentation across Workers, Pages, R2, Zero Trust, and more. Generate best-practice Workers code and accelerate troubleshooting with relevant guidance. Follow clear steps to migrate Pages projects to Workers with fewer pitfalls.