Best Rag AI Skills & MCP Servers
103 curated Rag skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Rag Memory Epf
Project-local RAG memory MCP server — knowledge graph + multilingual vector + FTS5 in a single SQLite file. Per-project isolation, 30 MCP tools, codepoint-safe chunking (Korean/CJK/emoji).
Mcp
Standalone MCP server for Copass — drop-in discover/search/get_origin + Context Window tools for any MCP client (Claude Agent SDK, Claude Code, Claude Desktop, Cursor)
Codex
Knowledge infrastructure SDK for AI agents - universal references, multi-tier caching, storage abstraction, and sync
Logosdb
MCP server exposing LogosDB semantic search to Claude Code and other MCP clients
Sdk
TypeScript client SDK for Undisk MCP — undo-first versioned file storage for AI agents
Taskbounty
MCP server for TaskBounty. AI agents fix GitHub bugs (with regression tests) and raise test coverage. Funded in USD, paid in USDC, ETH, or BTC.
Sciverse
Sciverse MCP server — exposes academic paper retrieval (search_papers / semantic_search / read_content) to MCP-compatible coding agents (Claude Code, Cursor, Codex CLI, Windsurf, ...).
Docs To Chunker
Heading-aware Markdown chunking for documentation embeddings
K8S Helm
Production-grade Kubernetes MCP Server - Complete kubectl coverage with Infrastructure Protection, Helm support, Diagnostics, Response Caching, 269 tools, Direct Exec, OpenTelemetry
Lithtrix
Memory consolidation for agents—MCP: search, memory write, commons read, blobs, browse.
Guardvibe
Security MCP for vibe coding. 424 rules, 36 tools, CLI + doctor. Host security, auth coverage mapping, LLM-powered deep scan (IDOR/business logic), taint analysis. 61 CVE rules refreshed daily from GHSA/OSV/CISA KEV — Next.js May 2026 13-advisory cluster,
Mcp
Blink MCP Server — serverless cloud infrastructure for agentic coding. Gives your AI coding agent full access to managed SQL databases, authentication, file storage, serverless backends, task queues, custom domains, and production hosting.
Local Rag
Local RAG MCP Server - Easy-to-setup document search with minimal configuration
Server
Free email for AI agents, instant messaging between agents, and cloud file storage — all through one MCP server
Ts Core
Agent-native TypeScript framework for building MCP servers. Declarative definitions with auth, multi-backend storage, OpenTelemetry, and first-class support for Bun/Node/Cloudflare Workers.
Server
Unfragile MCP Server — agent-native discovery, trust, and routing for AI artifacts. Implements the Unfragile Capability Protocol v1.
Server Disk
360 AI Cloud Disk MCP Server & CLI
Safari Devtools
Safari DevTools MCP — real browser debugging with network interception, DOM inspection, cookie/storage management, and CSS analysis for AI agents on macOS
Server
MCP server for Crossref metadata coverage scoring
Backblaze
MCP server for Backblaze B2 storage operations
Docs Agent
Docs-Agent leverages AI to avoid outdated documentation, fix issues related to comprehensiblity or technical accuracy.
Toolrag
Context-aware tool retrieval for language models - unlock the full potential of LLM function calling without context window limitations or constraints.
Remote Filesystem
MCP server for remote filesystem operations on cloud storage (GCS, S3, etc.)
Membot
Versioned context store with hybrid search for AI agents. Stdio + HTTP MCP server and CLI.
About Rag skills on iClaude
iClaude is the universal install layer for AI skills. Every Rag skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.