"Loop" matching MCP servers:

Enables AI agents to pay for MCP tool calls using either Bitcoin/Lightning (L402) or USDC (x402) rails, with unified settlement and a 21% discount for Bitcoin payments.

This MCP server enables agents to trade LOOT tokens, play the full loot game loop, and launch their own tokens on Robinhood Chain, all at the same prices and rules as human wallets.

Enables agents to query real-time labelled pump.fun intelligence—launch risk cards, creator reputation, rug/graduation flags, wallet profiles, and market regime—with paid endpoints settled per request via x402 USDC on Solana and free sample/regime tools.

Provides a non-custodial USDC wallet on Base for AI agents, with human-in-the-loop approval for every payment.

An MCP server that exposes the Zapper DeFi portfolio API, enabling LLMs to query wallet balances, token holdings, and DeFi positions using natural language.

Enables AI agents to safely interact with Ethereum by providing structured tools for reading blockchain state, simulating transactions, and drafting transactions that require human-in-the-loop approval.

Review-only MCP server for stock, options, and crypto screening, trade planning, risk checks, backtesting, and journaling, designed to work alongside Robinhood's Trading MCP without placing orders.