Reference Servers

Access financial market data: realtime & historical stock, ETF, options, forex, crypto, commodities, fundamentals, technical indicators, & more

Universal Code Navigator - a lightweight MCP server that gives AI agents call-graph-level understanding of code. Instead of reading entire files, agents ask structural questions like: "who calls this function", "what breaks if I change it", "what's unused", and get precise, AST-verified answers. UCN parses JS/TS, Python, Go, Rust, Java, and HTML inline scripts with tree-sitter, then exposes 28 navigation commands as a CLI tool, MCP server, or agent skill.

Generates Vitest test code from JSON specifications using boundary value analysis and equivalence partitioning.

Universal tool adapter — @tool decorator exports Python functions to OpenAI, Claude, Gemini, MCP, JSON Schema. Audit token costs.

Gru-sandbox(gbox) is an open source project that provides a self-hostable sandbox for MCP integration or other AI agent usecases.

Control an Arduino board from your computer using AI commands.

A collection of TypeScript MCP servers to enhance Claude Desktop as a powerful development assistant using your Claude Pro/Max subscription.

About MCP server for TRON blockchain — connect AI agents to TRX, TRC20, smart contracts, staking & governance via GoTRON SDK

MCP server providing modern web design guidance, color psychology, typography, layout patterns, and UI best practices for AI assistants

Access technical documentation for libraries and frameworks, formatted in clean markdown for LLM consumption.

Control Ableton Live with AI prompts for music production, track creation, and session manipulation.