Best Lit AI Skills & MCP Servers

MCP server providing persistent memory capabilities for AI assistants like Claude

Hardened, self-hosted Excalidraw MCP server with SQLite persistence, multi-tenancy, auto-sync, security middleware, and 369 tests

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.

Universal MCP server that gives AI assistants the ability to watch and understand videos — extracts frames via ffmpeg and processes audio via multiple backends

Alephant MCP Server — query AI spend, manage virtual keys and policies from your AI IDE

The Most Comprehensive ServiceNow AI Toolkit — 400+ MCP tools + 26 AI capabilities (scan, review, build, ops, docs) + direct BYOK mode. Integrates with Claude, ChatGPT, Gemini, Cursor, GitHub Copilot and any LLM.

Quality checker for MCP servers — validates protocol handshake, discovery, tool-call dry-runs, and latency

Unfragile MCP Server — agent-native discovery, trust, and routing for AI artifacts. Implements the Unfragile Capability Protocol v1.

MCP server for markdown plan review — companion to the MD Feedback VS Code extension. AI agents read annotations, mark tasks done, evaluate quality gates, and generate session handoffs. 27 tools for Claude Code, Cursor, and other MCP-compatible clients.

MCP server for medical coding — give AI assistants the ability to code clinical text to ICD-10-CM, ICD-11, ICF, and LOINC, audit charts for HCC gap capture / RADV / specificity / denial risk, translate between coding systems, and look up canonical referen

MCP server for SQLite — query databases, inspect schemas, explain queries, and export data from your IDE

Production readiness for vibe-coded apps — know your AI code is ready to ship

MCP server for AI Sightline — monitor brand visibility across AI platforms (ChatGPT, Google AIO, Perplexity, Claude, Gemini, Copilot)

Orchestration + observability + coach layer for Claude Code token optimization. Measures tool usage, enforces budgets, advises on complementary tools (serena, RTK), and proactively surfaces savings tips.

MCP server for scaffolding and validating high-quality Metalsmith plugins with native methods enforcement

Multi-language code quality auditor with MCP server - Analyze TypeScript, JavaScript, and Go code for SOLID principles, DRY violations, security patterns, and more

MCP server for web scraping, structured data extraction, and screenshots — give Claude, Cursor, Windsurf, and AI agents the ability to scrape any website with automatic anti-bot bypass

Search and audit CVEs by keyword, severity, CWE, CISA KEV status, and CPE via the NIST National Vulnerability Database. STDIO or Streamable HTTP.

MCP server for APIMesh — 76 x402-payable tools for AI agents (74 APIs + wallet usage + spend caps). Covers web vitals, security headers, SEO audits, email security and verification, tech-stack detection, brand assets, redirect chains, indexability, brand

AI-powered database analyzer. One command to analyze any database with AI.

Trust-score any AI skill or MCP server from inside Claude Code, Cursor, or any MCP client. Accepts GitHub repos, npm packages, Smithery URLs, and OpenClaw skills. 15 signals (incl. OSV/KEV/EPSS vulnerability intelligence), safety scanning, OpenClaw frontm

MCP server for csvtocsv.com — deterministic CSV transforms (Amazon→Shopify, Any-CSV→Amplitude cohort, CSV cleanup) usable from any agent runtime over stdio.

Security scanner for AI agent packages — CLI + MCP server

dwic — the design auditor for Claude Code. MCP server that audits your design tokens + markup for WCAG contrast failures, mandated-accent drift, and structural gaps, then remembers findings across sessions.