Best Lit AI Skills & MCP Servers

MCP server for PubMed biomedical literature search

MCP server for JackpotKeywords — AI-powered keyword research and AI-visibility scans via REST API

Shared TypeScript types and x402 payment-flow utilities for @xenarch/agent-mcp — Xenarch's non-custodial x402 MCP server.

Security co-pilot for AI agents. Scan for vulnerabilities, verify governance, audit MCP servers, and generate compliance reports — all from Claude, Cursor, or any MCP client.

GARL Protocol MCP Server — cryptographic verification for AI agent actions. 28 named tools: submit signed Action Receipts (v0.1), query multi-dimensional Trust Vector, issue/verify/revoke capability tokens (JWT-shaped + ECDSA-secp256k1), Capability Gate p

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

MCP server for PDF manipulation — 22 tools: render pages to images for vision, Markdown/template→PDF, AES-256 encrypt, form-preserving merge/split, fill forms, search, compare, QR codes, watermark. Zero-config, TypeScript-native.

Opt-in UI/UX master skill, CLI, and MCP server for AI coding agents, with accessibility, design-system, UX research, and frontend handoff workflows.

MCP server for Claude Code that provides email capabilities through IMAP/SMTP. Read, search, compose, and manage emails from any IMAP provider.

Test your MCP servers for breaking changes. Checks capabilities, invokes tools, detects schema drift between versions.

Alaya MCP Server — a memory engine for AI agents that remembers, forgets, and learns

MCP server with 45 developer utilities (16 free + 29 pro). Free: UUID, hash, HMAC, base64, timestamps, JWT decode, random strings, URL encode/decode, JSON format, YAML/JSON convert, regex test, cron explain, color convert, HTTP status, slugify, HTML escap

Personal Knowledge Brain for developers — MCP server with typed neurons, hybrid search (FTS5 + vector), knowledge graph, vault encryption, time-travel history, and spaced repetition. 100% local, SQLite-based.

MCP server & CLI: codebase index + cache for Claude Code, Cursor, OpenAI Codex, Google Antigravity/Gemini. Model Context Protocol tools (codetree_read, codetree_search, …), hooks on Claude, rules on other IDEs. Token savings, SQLite index, symbol search,

Core utilities for MCP servers built with ModelFetch

Search scientific papers from any MCP-compatible AI tool. Raw experimental data from full-text studies — methods, results, quality scores, and 25+ metadata fields per paper.

A high-performance Model Context Protocol (MCP) server for SQLite database interaction.

Observability for MCP servers and LLM applications — traces, metrics, dashboards. One-line instrumentation for OpenAI, Anthropic, Gemini, and MCP. Self-hosted with Grafana + Prometheus + Jaeger.

MCP server for Alibaba Cloud Domain API - Check domain availability, query domain details, list domains, and create registration orders

MCP server for paper-search-agent: academic paper discovery, access planning, and full-text retrieval via campus network

HAL (HTTP API Layer) - An MCP server that provides HTTP API capabilities to Large Language Models with OpenAPI/Swagger integration

Zero-config codebase context for AI agents. One command generates a ~250-token navigation map and auto-configures Claude Code, Cursor, and Aider.

MCP server for Wiz cloud security platform — query vulnerability findings by repo and severity

Qr Code Ai tools for AI agents. Capabilities: generate qr data, decode qr data, create vcard qr. Built by MEOK AI Labs.