x402 Protocol — Episode 3: MCP Server, awesome-x402, and the $0 Bet
The API was live. Payments worked. But here's the problem I hadn't thought about: how does a buyer agent even find my API? Nobody's googling "Korean crypto data x402 endpoint." AI agents discover services through tool registries and curated lists. If my API isn't in those places, it doesn't exist. So this episode is about distribution — making KR Crypto Intelligence visible to the agents that might actually use it. What This Post Covers Building an MCP server so AI platforms like Claude and ChatGPT can call my API as a tool, adding a stablecoin premium endpoint that came from a random market research session, getting listed on awesome-x402 and MCP directories, and confronting the actual numbers behind the x402 ecosystem. This is where optimism meets arithmetic. Building the MCP Server MCP (Model Context Protocol) lets AI platforms call external APIs as tools. If my API is the product, the MCP server is the storefront. Glama alone indexes over 2...