Best Core AI Skills & MCP Servers

AI Constraint Engine with AI Patch Firewall. 42 MCP tools. Patch Gateway (ALLOW/WARN/BLOCK verdicts), diff-native review (10 scored signals, hard escalation rules), Spec Compiler, Code Graph, Typed constraints, Python SDK, ROS2. Works with Claude Code, Cursor, Windsurf, Cline, Bo

Search and retrieve NGSS standards by code, domain, or topic. Explore three-dimensional components (SEPs, DCIs, and CCCs) and discover related standards by shared practices, concepts, or core ideas. Plan cohesive curriculum units with suggestions for compatible standards.

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

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.

Search and analyze 700+ DeFi vaults across Morpho, Aave, Spark, Yearn, Beefy, Compound, Uniswap and others. Multi-vector risk scoring (Asset 40%, Platform 40%, Governance 20%) with Prime/Core/Edge.

Access up-to-date documentation and code examples for any programming library or framework. Discover the most relevant packages for your projects using reputation and quality scores. Simplify the search for technical information by resolving package names to direct documentation

Evaluate crypto token safety with real-time trust scores and structural risk signals. Identify potential market distress and impending collapses to safeguard your digital investments. Compare assets head-to-head using multi-dimensional security and compliance metrics.