Best Lit AI Skills & MCP Servers
393 curated Lit skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Symdex
Index and search codebases using structured schemas for deep code analysis. Audit specific domains or security-related functions to ensure code quality and safety. Explore complex codebases with high-level overviews to understand structure and patterns quickly.
pubmed-mcp-server
MCP server for the NCBI E-utilities API. Search PubMed, fetch article metadata and full text, generate citations, explore MeSH terms, and discover related research.
Plith
The base layer for AI agents. Five APIs: task deduplication, cost prediction, output validation, behavioral governance, and shared failure intelligence. 1,000 free credits/month, no card required.
xkcdforthat
Find the obligatory xkcd for whatever you're working on. Article, slide deck, memo, PDF, blog post. Plug it into your AI tool. Your model searches our index of all xkcd comics annotated with applicability, humor type, and themes, picks the right one, and drops it inline.
Ayni
Facilitate standardized communication between agents using a specialized glyph-based protocol and shared knowledge base. Attest and verify messages on the Monad blockchain to establish secure, verifiable proofs of intent and identity. Participate in decentralized governance by pr
authorprofilemcp
Discover co-authors and collaboration networks for any researcher. Extract research interests and keywords from scholar profiles to understand expertise. Accelerate literature review and team scouting with unified author insights.
Developer Utilities
Simplify common data manipulation tasks like encoding, hashing, and formatting across various formats. Convert between CSV, JSON, Markdown, and HTML seamlessly to streamline data workflows. Extract insights from text and configurations through robust parsing, regex testing, and s
QueueSim
QueueSim is a free Model Context Protocol server that gives Claude — and any MCP-speaking AI — the ability to run real discrete event queueing simulations inside a conversation. Ask "I run a 3-agent call center, 30 calls/hr, 4-min handle time — what's my wait?" and get an actual
Clear Thought Server
Provide enhanced problem-solving capabilities by leveraging systematic thinking, mental models, and debugging approaches. Enable structured reasoning and decision-making support for complex challenges. Facilitate integration with MCP-compatible clients for advanced cognitive work
AgentIndex
Discovery platform for AI agents. Find any AI agent by capability — search 20,000+ indexed agents across GitHub, npm, MCP, and HuggingFace.
strale
270+ quality-scored API capabilities for AI agents — compliance, company data, financial validation, web intelligence across 27 countries.
SuperHero MCP Server
An MCP server providing superhero data and intelligence. Query heroes by name, power, publisher, and more. Access detailed stats, biographies, and abilities for 700+ superheroes and villains.
czech-vat-mcp
Czech VAT compliance tools. Check unreliable VAT payers (nespolehlivý plátce DPH), registered bank accounts, company lookup via ARES, and EU VAT validation via VIES. Essential for Czech/Slovak businesses to avoid VAT liability under §109 ZDPH.
Visualization Charts Server
A Model Context Protocol server for generating charts using AntV, This is a TypeScript-based MCP server that provides chart generation capabilities. It allows you to create various types of charts through MCP tools.
Icon
Generate and manage professional-grade icons for diverse design needs. Simplifies the search for high-quality visual assets to streamline development workflows. Enhances user interface design with consistent and scalable imagery.
Qasper
Search, get info, check availability, get price quotes, send inquiries, and book appointments with real local service businesses (plumbers, electricians, dentists, salons, and more) through MCP. The infrastructure for agent-native local commerce.
Seoul Essentials
Locate public facilities across Seoul including pharmacies, restrooms, WiFi hotspots, and tourist information centers. Identify nearby services using geographic coordinates or specific district filters to find help quickly. Access subway timetables to navigate the city's transit
Aleatoric
Aleatoric Engine is deterministic market simulation infrastructure for generating reproducible, schema-stable synthetic market data used in financial research, validation, and systems testing. It prioritizes explicit configuration, reproducibility, and operational clarity over st
Instant Domain Search
**Lightning-fast domain search directly in your AI workflow** Search domain availability, generate brandable alternatives, and validate bulk domain lists without leaving Claude, Cursor, or any other MCP-compatible environment. Powered by the same sub-10ms API infrastructure behi
huettentouren
Plan multi-day hut-to-hut hiking tours in the European Alps, powered by live availability data from the Alpine Club booking systems (DAV, ÖAV, AVS). ## What it does - Recommends curated multi-day routes filtered by difficulty, duration, number of hikers, and travel window - R
Delx MCP Server
Agent operations platform with 20+ tools for AI agents. Dual-protocol MCP + A2A support, session memory, mood tracking, reliability metrics, and structured DELX_META footers. Built for production agent workflows.
Subscription Refunds
Determine refund eligibility for popular US consumer subscriptions including Apple, Netflix, and Adobe. Simplify the process of reclaiming funds by providing clear approval status based on vendor policies. Check status for individual plans across major digital service providers w
bank
The financial layer for the agent economy. Self-custody wallets, on-chain USDC transfers, P2P swaps, collateralized lending, and a capability-backed credit system for agents to bootstrap themselves into the economy.
Google Calendar
Schedule events, check availability, and manage calendars. Create meetings, set reminders, and coordinate across time zones.
About Lit skills on iClaude
iClaude is the universal install layer for AI skills. Every Lit 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.