"Loop" matching MCP servers:

• 

  Loop MCP DualRailofficial

  Loop-XXI

  A

  license

  -

  quality

  B

  maintenance

  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.

  Last updated 2026-06-28

  32

  MIT
• 

  Grip MCPofficial

  grip-foundation

  A

  license

  A

  quality

  D

  maintenance

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

  Last updated 2026-04-28

  2

  4

  27

  MIT

• zapper-mcp

  mehdi-loup

  A

  license

  A

  quality

  D

  maintenance

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

  Last updated 2026-05-01

  3

  MIT

• WETH MCP Server

  ayushkumar2601

  A

  license

  -

  quality

  B

  maintenance

  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.

  Last updated 2026-07-09

  2

  ISC

• Living Screener MCP

  devinraylittle-boop

  F

  license

  -

  quality

  B

  maintenance

  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.

  Last updated 2026-06-16

  1