Best LLM AI Skills & MCP Servers
474 curated LLM skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Opensrc
MCP server for fetching and querying dependency source code
Sdk
Emcy telemetry SDK for MCP servers - track tool invocations, errors, and performance
Renovate
MCP server for designing Renovate configurations interactively.
Server Atlassian Bitbucket
Node.js/TypeScript MCP server for Atlassian Bitbucket. Enables AI systems (LLMs) to interact with workspaces, repositories, and pull requests via tools (list, get, comment, search). Connects AI directly to version control workflows through the standard MC
Guardvibe
Security MCP for vibe coding. 424 rules, 36 tools, CLI + doctor. Host security, auth coverage mapping, LLM-powered deep scan (IDOR/business logic), taint analysis. 61 CVE rules refreshed daily from GHSA/OSV/CISA KEV — Next.js May 2026 13-advisory cluster,
Agent
Tool-using planning agent over MCP servers, built on the Vercel AI SDK.
Haluguard
MCP server for haluguard — hallucination detection for LLM apps. Plugs into Claude Code, Cursor, ChatGPT Desktop and any MCP-compatible host.
Kingdee K3Cloud Dev
金蝶云星空企业版开发服务
Korean Law
법제처 42개 API → 17개 MCP 도구. 법령·판례·조례·조약 + LLM 환각 방지 인용 검증 + 조문 영향 그래프(impact_map) + 시점 비교(time_travel) + 상황별 5단계 안내(action_plan) + 국세청 해석례(nts)
Hermit Agent
MCP executor for Claude Code or Codex with an npm-first launcher and cheaper local or flat-rate execution by default
Opalserve
The control plane for your team's AI tools — share MCP servers, knowledge bases, and usage analytics across your engineering team
Superlocalmemory
Information-geometric agent memory with mathematical guarantees. 4-channel retrieval, Fisher-Rao similarity, zero-LLM mode, EU AI Act compliant. Works with Claude, Cursor, Windsurf, and 17+ AI tools.
Yahoo Finance
A Yahoo Finance MCP server for LLMs.
Vir Cli
An LLM Wiki for Claude Code, in your Obsidian vault.
Tmux
Model Context Protocol server that lets LLMs collaboratively drive tmux
Apiclaw
The Control Plane for AI Agents. 26,701 discoverable APIs, 2,906 callable, 49 fully managed. Agent-native auth: `apiclaw auth login` opens your browser, one-tap sign-in, writes ~/.apiclaw.toml. Four doors: local MCP, CLI, HTTP gateway, Remote MCP. One aut
Preste
Preste — sovereign agentic CLI with OODA/ReAct/Plan patterns, local MCP server for Claude Code/Desktop integration, and Ed25519 auto-attestation on every run. BYOK, standalone, no infra.
Server Sec Filings
SEC EDGAR financial intelligence with XBRL data, filing search, and insider trades for 8000+ companies
Docs To
MCP server that exposes documentation search tools for AI assistants
Server Atlassian Jira
Node.js/TypeScript MCP server for Atlassian Jira. Equips AI systems (LLMs) with tools to list/get projects, search/get issues (using JQL/ID), and view dev info (commits, PRs). Connects AI capabilities directly into Jira project management and issue tracki
Jazz Ai
Create autonomous AI agents that actually execute tasks—read emails, manage git, run commands, search the web, and orchestrate workflows through natural conversation
Calculator
Evaluate, simplify, and differentiate mathematical expressions via MCP. STDIO or Streamable HTTP.
Server
MIND MCP Server — 28 tools. The most complete AI memory layer with the Focus → Project → Outcome → Task hierarchy (mind_focuses + extended mind_life with item_type/parent_id/focus_id and cross-account project sharing via share/list_shares/revoke_share), d
Fred
A FRED economic data MCP server for LLMs.
About LLM skills on iClaude
iClaude is the universal install layer for AI skills. Every LLM 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.