Best Semantic AI Skills & MCP Servers

Semantic search using TF-IDF vector space — cosine similarity, intent matching, document similarity.

Power BI Modeling MCP Server - Node.js client package for installing and running the Power BI Modeling MCP server, for linux on x64

MCP server for indexing and searching codebases with keyword + semantic search. Works with Claude, Cursor, Windsurf, Antigravity.

Sciverse MCP server — exposes academic paper retrieval (search_papers / semantic_search / read_content) to MCP-compatible coding agents (Claude Code, Cursor, Codex CLI, Windsurf, ...).

Standalone Node MCP server: semantic search + knowledge graph + vault editing for Obsidian, no plugin required.

AHTML semantic snapshot schema — types, validator, builder, and dual-format serializers (JSON + token-optimal compact text). The agent-readable contract layer for the web.

End-to-end encrypted memory for AI agents — portable, yours forever. MCP server with XChaCha20-Poly1305 E2EE, semantic search, import/export, and on-chain storage

MCP server: persistent memory, compaction, semantic recall (Node.js port)

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

Code Intelligence MCP Server - Smart context for your LLM coding agent

ChromaDB vector store adapter for semantic documentation search

HSA - Hierarchical Semantic Analysis MCP Server for AI Code Agents. Token-optimized context engine with BM25+ search, Merkle tree change detection, 84+ built-in library docs, persistent memory, and real-time dashboard.

Cross-session memory and recall for AI agents — git-synced knowledge base, knowledge graph, confidence scoring, hybrid semantic+TF-IDF search, auto-distillation with secrets scrubbing

Persistent project memory for AI coding agents — semantic search, AST-aware chunking, dependency graphs, and conversation history

MCP server for Tokenmaxxen — collective episodic memory for AI coding agents. Deposit, retrieve, and comment on session learnings (gotchas, fixes, prompts, configs) over hybrid keyword+semantic search. Agents can post corrections when a learning is wrong

MCP server for semantic code search, memory, and context management

CLI to manage ContextGraph MCP servers — index, search, memory, and blast radius for AI coding agents

Give Claude perfect memory of all your conversations. Single binary, zero dependencies.

MCP server for semantic search over Obsidian vaults with Smart Connections data.

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

YuiHub MCP Server - Protocol Adapter for Semantic Memory

Personal fork of @connorbritain/obsidian-mcp-server. TypeScript MCP server for Obsidian with wrapper-side mitigations of upstream limitations — first concrete change is re-enabling patch_content under a structural-only path validator.

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