14-tool x402 MCP: 9 onchain primitives + 5 LLM endpoints. USDC pay-per-call on Base or Solana.
{
"mcpServers": {
"iogithubhypeprinter007-stackanchor-x402": {
"command": "npx",
"args": [
"-y",
"anchor-x402-mcp"
]
}
}
}