This is a curated list of Web3 Model Context Protocol (MCP) servers, covering multiple categories such as chain interaction, trading, DeFi, market data, tools, and social. MCP is an open protocol that standardizes how applications provide context to LLMs, similar to the USB - C port for AI applications. DeMCP is the first decentralized MCP network, focusing on providing self - developed and open - source MCP services for agents, supporting cryptocurrency payments, and redefining the security and reliability of MCP by combining TEE and blockchain registries.

The Fewsats MCP server is an AI agent payment solution integrated with Fewsats payment services, supporting wallet balance query, payment method management, and order payment functions.

x402engine - mcp is an MCP server that provides HTTP 402 micropayment access to 38 pay - per - use APIs for AI agents, supporting payments in USDC and USDm, covering various services such as LLM inference, image generation, code execution, audio processing, and blockchain data.