Best Semantic AI Skills & MCP Servers

YuiHub MCP Server - Protocol Adapter for Semantic Memory

Agent-agnostic, LLM-agnostic memory backend for MCP-compatible tools

Semantic codebase search engine with embedding-based ranking and MCP server

Let Claude, Cursor, or any MCP client see and operate your Windows 10/11 desktop. 29 tools for screenshots, UI Automation, Chrome CDP, keyboard/mouse, terminal, with semantic discover-then-act targeting and per-action perception guards that avoid wrong-wi

Search and download academic papers from arXiv, PubMed, bioRxiv, medRxiv, Google Scholar, Semantic Scholar, and IACR. Fetch PDFs and extract full text to accelerate literature reviews. Get consistent metadata for easier filtering, citation, and analysis.

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

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

Persistent memory for AI coding agents. Store decisions, lessons, error patterns, and task checkpoints, then retrieve them via semantic search or graph traversal. Features session briefings, memory consolidation, time-based reminders, encrypted profiles, and knowledge compaction.

The server provides immediate access to millions of academic papers through Semantic Scholar and arXiv, enabling AI-powered research with comprehensive search, citation analysis, and full-text PDF extraction from multiple sources (arXiv and Wiley open-access). - No API key is r