iClaude
Category

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

Smithery

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.

Smitheryfree

pubmed-mcp-server

Smithery

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.

Smitheryfree

Plith

Smithery

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.

Smitheryfree

xkcdforthat

Smithery

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.

Smitheryfree

Ayni

Smithery

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

Smitheryfree

authorprofilemcp

Smithery

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.

Smitheryfree

Developer Utilities

Smithery

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

Smitheryfree

QueueSim

Smithery

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

Smitheryfree

Clear Thought Server

Smithery

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

Smitheryfree

AgentIndex

Smithery

Discovery platform for AI agents. Find any AI agent by capability — search 20,000+ indexed agents across GitHub, npm, MCP, and HuggingFace.

Smitheryfree

strale

Smithery

270+ quality-scored API capabilities for AI agents — compliance, company data, financial validation, web intelligence across 27 countries.

Smitheryfree

SuperHero MCP Server

Smithery

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.

Smitheryfree

czech-vat-mcp

Smithery

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.

Smitheryfree

Visualization Charts Server

Smitheryverified

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.

Smitheryfree

Icon

Smithery

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.

Smitheryfree

Qasper

Smithery

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.

Smitheryfree

Seoul Essentials

Smithery

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

Smitheryfree

Aleatoric

Smithery

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

Smitheryfree

Instant Domain Search

Smithery

**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

Smitheryfree

huettentouren

Smithery

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

Smitheryfree

Delx MCP Server

Smithery

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.

Smitheryfree

Subscription Refunds

Smithery

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

Smitheryfree

bank

Smithery

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.

Smitheryfree

Google Calendar

Smitheryverified

Schedule events, check availability, and manage calendars. Create meetings, set reminders, and coordinate across time zones.

Smitheryfree

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.