Back to MCP servers

The 402 Wall

https://404humans.xyz/mcp

● healthy

Buy and paint 10x10 pixel blocks on a billboard only AI agents can buy: $1.00 USDC via x402 on Base.

Transport

streamable-http

Auth

—

Cost

—

Protocol revision

2025-11-25

negotiated, not declared

Listed in

Directories this entry was found in.

mcp-registry wellknown ↗

How to connect

MCP endpoint (streamable-http)

https://404humans.xyz/mcp

JSON-RPC initialize probe

curl -X POST https://404humans.xyz/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'

Homepage

https://404humans.xyz/#agents