Best Semantic Search AI Skills & MCP Servers

Local-first code intelligence — MCP server for Claude Code, Cursor, Windsurf, Zed. Symbol graph, blast-radius, git-pinned memory. 43× fewer tokens than naive grep on the public bench. MIT, zero-config.

MCP server exposing sensegrep capabilities to AI coding assistants.

Persistent intelligence infrastructure for agentic development

MAMA MCP Server - Memory-Augmented MCP Assistant for Claude Code & Desktop

Cognitive architecture for persistent AI agent memory. Knowledge graph with learning retrieval, ACT-R decay, and spreading activation. Markdown-native, local-first, zero cloud. MCP server + CLI.

Your Claude Code sessions don't have to start from scratch anymore — SpecMem gives your AI real memory. It won't forget your conversations, your code, or your architecture decisions between sessions. That's the whole point. Semantic code indexing that act

MCP server for semantic code search and codebase analysis — Treesitter parsing, AST extraction, and embedding-based indexing for any LLM that supports MCP

Local-first MCP server giving AI coding agents fast, structured, and semantic context over any codebase.

MCP server for AI-powered codebase indexing with auto-save checkpoints, incremental updates, real-time progress tracking, and index verification tools

Codebase graph analysis for AI agents — AST + call graph + type graph + hybrid semantic search via MCP

AINative ZeroDB MCP Server - 77 operations for vector search, quantum compression, NoSQL, dedicated PostgreSQL management, files, events, RLHF, and persistent memory for AI agents with enterprise security. All tools annotated with readOnly/destructive/ide

Codai Better Database - High-Performance Vector Memory System with HPKV-inspired architecture and MCP server

Local RAG MCP Server - Easy-to-setup document search with minimal configuration

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

Leapable — Context engineering MCP server. Query expert knowledge corpora, manage your data, and search with full provenance. One-line install: npx leapable-mcp

Sprigr MCP server — local AI agent search with WASM-powered full-text search and hybrid semantic search. Also exports a Workers-compatible runtime for in-process search inside Cloudflare Workers / bundled environments.

CLI for Paparats MCP - semantic code search with AST chunking, symbol graph, and vector search for AI coding assistants

Local, repo-scoped context platform for coding assistants. Semantic search, graph relationships, and architectural rule context.

Research knowledge repository with semantic search, citations, and project lineage tracking

MCP server exposing LogosDB semantic search to Claude Code and other MCP clients

Persistent, searchable memory for Cursor AI — You control what your AI remembers.

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

Local RAG MCP Server - Easy-to-setup document search with minimal configuration

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