Best Lit AI Skills & MCP Servers

XLUXX Trust Layer MCP Server — 16 tools for runtime trust scoring of 15,000+ MCP servers, Resonance Engine analysis, and Context Gate integrity checks. Installable in Claude Desktop, Cursor, and any MCP-compatible host.

A Perplexity API Model Context Protocol (MCP) server that unlocks Perplexity's search-augmented AI capabilities for LLM agents. Features robust error handling, secure input validation, and transparent reasoning with the showThinking parameter. Built with

Shared utilities for Pare MCP servers

VettIQ MCP server — security scanning for AI-generated code, callable from Cursor, Claude Code, and any MCP-compatible agent.

Give AI eyes and hands on your desktop. ScreenHand is an open-source MCP server that lets Claude and other AI agents see your screen, click buttons, type text, and control any app on macOS and Windows.

45 specialized judges that evaluate AI-generated code for security, cost, and quality.

The MCP toolkit for AI agents. Voice MCP gives your AI a phone line through your own Twilio. Coder MCP gives it a memory across every Claude Code, Codex CLI, and Cursor session. One npm package, two capability modules, local SQLite, no SaaS in the middle.

Kibana MCP Server

Agentic HubSpot CLI + MCP server. Covers ~all documented public endpoints (1180 across 55+ command domains). Reachability is tier/scope/auth-model gated — UI-only surfaces and deprecated APIs excluded. Enterprise safety rails, self-hosted.

Deploy Claude Code, Codex & Antigravity (agy) CLI agents to demolish your work before users do. Real file analysis. Brutal honesty. Per-call model pinning, conversation continuation & intelligent pagination.

MCP server for format-preserving PDF text editing — find, replace, and batch-edit text in existing PDFs while preserving fonts, layout, and visual fidelity.

CodeSlick CLI tool for pre-commit security scanning — 308 checks across JS, TS, Python, Java, Go

MCP server for OpenAlex API - enabling literature review and research landscaping

Structured fact memory MCP server — SQLite + FTS5, trust scoring, entity graph, bilingual retrieval for Claude Code & Codex

MCP server providing AI agent observability — tracing, cost tracking, performance monitoring, and audit trails

PostHog SDK for MCP servers

MCP server for Ollama - exposes all Ollama SDK functionality through MCP tools

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

MCP server for runtime quality validation of AI agent outputs — hallucination detection, scope compliance, and output quality scoring

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

29 developer utilities as an MCP server — JSON repair, SQL format, hash, encode/decode, UUID, regex, CSV, subnet calc, diagram generation, git diff parsing, DB schema parsing, JSON schema validation, and more. No API keys. Runs locally.

MCP server for UtilsForAgents with eight paid x402 utility tools plus one free feedback tool, with Base or Solana payer support.

Cognitive browser automation that thinks like your users—and helps AI agents navigate too. Simulate real user cognition with abandonment detection, constitutional safety, chaos engineering, and UX friction discovery. Sites that pass CBrowser's cognitive t

MCP server exposing sensegrep capabilities to AI coding assistants.