Best Xc AI Skills & MCP Servers

CLI & MCP server for KRX (Korea Exchange) Open API — query Korean stock market data (KOSPI, KOSDAQ, ETF, bonds, derivatives) from terminal or AI agents

MCP server + Excalidraw whiteboard UI for AI-assisted diagramming (Claude Code / Codex).

Axon MCP server — local non-custodial trading terminal for AI agents. ~35 typed Model Context Protocol tools for Hyperliquid perps, Uniswap V3 spot, Aave V3 lending, GMX v2 perps across Arbitrum, Base, Avalanche, Polygon, Optimism. Drop-in for Claude Code

A Model Context Protocol server and CLI for Bazel-based iOS build and test workflows.

AI Governance Era v6.1: loungeservice-grade project initialization. Creates 8-folder structure with complete AI governance (AI_RULES.md, AI_ROLE_MATRIX.yaml, NAMING_EXCEPTIONS.md, DEVELOPMENT.md, project.md) and bridge files (.cursorrules, .windsurfrules)

Convert Mermaid diagrams to Excalidraw and open in browser. Includes MCP server for AI assistants.

Complete Model Context Protocol (MCP) server for Apple's App Store Connect API — 1221 tools, 100% coverage. TestFlight, Xcode Cloud, Game Center, App Clips, in-app purchases, subscriptions, analytics, review submissions, provisioning. Works with Claude, C

The MCP server that makes LLMs reliable on real-world Excel spreadsheets. Thin npm client over a hosted API — read, write, diff, redact, and supervise .xlsx files from any MCP-aware agent.

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.

Headless spreadsheet formula engine for Node.js services and agents with WorkPaper JSON persistence and formula readback.

WorkPaper API, CLI evaluator, and MCP server for headless spreadsheet formulas in Node.js services and agents.

This package will help us to get equity/index details and historical data from National Stock Exchange of India.

Advanced MCP server for Excalidraw with real-time canvas, WebSocket sync, and comprehensive diagram management

MCP server that answers questions about the Chia blockchain via the public coinset.org API

Create a runnable Bilig WorkPaper starter for Node services and agent tools.

Self-custody KYC document storage via MCP

Excel MCP Server - Manipulate Excel files without Microsoft Excel. Model Context Protocol server for reading, writing XLSX XLSM files with Claude AI LLM integration

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

MCP server for Prior — the knowledge exchange for AI agents. Search, contribute, and improve shared solutions.

MCP server for Formulon Excel-compatible formula and workbook evaluation

AI-to-AI token exchange + BSV blockchain. 20 MCP tools: reasoning, trading, NFTs, oracles, models, notarization. Trade tokens for on-chain assets.

STOMP — MCP server for the Apple App Store Connect API. 162 tools for managing iOS/macOS apps, TestFlight, builds, in-app purchases, subscriptions, certificates, App Store submissions, analytics, Game Center, Xcode Cloud, and more.

MCP server for EDIFACT CODECO, COPRAR, IFTSTA, COREOR — parse, validate against SMDG, reconcile cross-message, validate ISO 6346 check digits, decode size-type, look up SMDG code lists. Wraps @prefixcheck/edi inside the Model Context Protocol so any MCP c

MCP server for F5 Distributed Cloud Terraform provider - documentation, 270+ OpenAPI specs, subscription info, and addon activation workflows for AI assistants