Best Rag AI Skills & MCP Servers

Prism Coder — Cognitive memory + tool-calling intelligence for AI agents. Mind Palace persistent memory (BFCL Gold Certified, 100% Tool-Call Accuracy, 54 Agent Skills, Zero-Search HDC/HRR retrieval, HIPAA-hardened local-first storage, SLERP-optimized GRPO

Markdown Content Preprocessor - Fetch web pages, extract content, convert to clean Markdown

MCP server that exposes documentation search tools for AI assistants

On-device memory layer for AI agents. Claude Code, OpenClaw, and Hermes. Hooks + MCP server + hybrid RAG search.

Local MCP server for Google Workspace (Gmail, Drive, Calendar, Sheets, Docs, Contacts, Tasks, Meet, Search Console, +Forms/Chat/Admin) across multiple accounts — OAuth-only, encrypted token storage, deny-by-default writes.

Use AWS S3, the world's most reliable document storage, as a database with this ORM.

Native TypeScript AI memory system and MCP server (Zero-LLM, LanceDB)

MCP server for Arcadia Finance. Deploy concentrated liquidity on Uniswap, Aerodrome, and Velodrome with automated rebalancing, compounding, yield optimization, and leverage, or single-sided liquidity into lending pools. Base, Unichain, and Optimism.

Organize all your Claude Code memories, skills, MCP servers, commands, agents, rules, and hooks — see what loads globally vs per-project, then move items between scopes

High-performance MCP server and library providing a cloud-native replacement for mcp-server-filesystem. Supports S3, Azure Blob, GCS, and SQLite with VFS cache coherence.

MCP server for AutoMem: AI memory storage and recall

Local RAG MCP Server - Enhanced with hybrid search, memory management, and code file support (fork of shinpr/mcp-local-rag)

Self-custody KYC document storage via MCP

Search and analyze global news coverage and US television transcripts via the GDELT Project's real-time APIs via MCP. STDIO or Streamable HTTP.

Multi-account orchestration and secure token storage for OAuth-based MCP servers

Model Context Protocol (MCP) server for LightRAG - 30 fully working tools with complete RAG and Knowledge Graph integration

Open-source CLI to minimize LLM token usage via smart code context extraction

Access FCC broadband availability, coverage analysis, and digital divide data for US geographies and census blocks via MCP. STDIO or Streamable HTTP.

Cross-Code Organizer (CCO, formerly Claude Code Organizer) — manage AI coding tool configs across Claude Code, Codex CLI, and more. Memories, skills, MCP servers, commands, agents, rules, and hooks across global and project scopes

MCP server for AWS S3 — list buckets, browse objects, upload/download files, and generate presigned URLs from your IDE

MCP server with 22 tools for marketplace search, price comparison, license verification, childcare costs, estate sales, storage pricing, GSA auctions, home services, FCC lookup, and AI skill safety — TCGPlayer, Reverb, Grailed, Redfin, Poshmark, Craigslis

Core interfaces and reference storage adapters for the ggui MCP server — UiGenerator, SessionStore, BlueprintProvider, AuthAdapter, plus in-memory and SQLite implementations. The pluggable seam layer @ggui-ai/mcp-server is built on.

MoltFlow — complete WhatsApp automation platform: bulk messaging, scheduled messages, scheduled reports, custom groups, lead detection & CRM, AI replies with style cloning, knowledge base (RAG), voice transcription, group monitoring, labels, anti-spam, co

Local-first, LLM-agnostic memory layer for AI assistants. Run via npx @psraghuveer/memento.