Best Rag AI Skills & MCP Servers

MCP server for Crossref metadata coverage scoring

MCP server for Backblaze B2 storage operations

MCP server for Run402 — AI-native Postgres databases with REST API, auth, storage, and row-level security. Pay with x402 USDC micropayments.

Docs-Agent leverages AI to avoid outdated documentation, fix issues related to comprehensiblity or technical accuracy.

Context-aware tool retrieval for language models - unlock the full potential of LLM function calling without context window limitations or constraints.

MCP server for remote filesystem operations on cloud storage (GCS, S3, etc.)

TestForge MCP Server — AI-powered testing in your IDE. Analyzes code for security, unit tests, load, accessibility, vision alignment, scope coverage, and stack quality.

Bunny.net CLI + MCP server. Deploy static sites to Bunny Storage and purge CDN with one command. Manage Storage, Pull Zones, DNS, Stream, Edge Scripting from a single binary - plus AI-native MCP for Claude Code & Claude Desktop.

DARE Framework - CLI, GraphRAG engine, MCP server and shared types in a single package

Firebase MCP server for interacting with Firebase services through the Model Context Protocol

Security-focused ESLint plugin with 89 AI-parseable rules for detecting and preventing vulnerabilities. OWASP Top 10 2021 + Mobile Top 10 2024 coverage, CWE references, and AI-assisted fix guidance.

Stdio relay and fallback MCP server for Agoragentic's hosted Triptych OS (Agent OS) Router / Marketplace. Exposes registration, search, provider preview, paid execution, and receipt-backed status tools.

Versioned context store with hybrid search for AI agents. Stdio + HTTP MCP server and CLI.

DocBrain MCP server — query your documentation from Claude Code, Cursor, and any MCP-compatible editor

Shared type definitions for Undisk MCP — storage, tools, and protocol types

Standalone MCP server for Copass — drop-in discover/interpret/search + Context Window tools for any MCP client (Claude Agent SDK, Claude Code, Claude Desktop, Cursor)

Persistent key-value memory — store and recall information across sessions as JSON files.

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

TypeScript client SDK for Undisk MCP — undo-first versioned file storage for AI agents

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

Heading-aware Markdown chunking for documentation embeddings

Production-grade Kubernetes MCP Server - Complete kubectl coverage with Infrastructure Protection, Helm support, Diagnostics, Response Caching, 269 tools, Direct Exec, OpenTelemetry

A lightweight MCP (Model Context Protocol) client library for JavaScript and cross-runtime environments, supporting MCP Apps in host applications and multiple storage backends (Memory, File, Redis, Supabase, Neon).