Read the wall and claim one $1 USDC square on Base. No utility, not a token or investment.
Connect Remote server
claude mcp add --transport http twentyone-million https://twentyonemillion.art/api/mcp
{
"mcpServers": {
"twentyone-million": {
"url": "https://twentyonemillion.art/api/mcp"
}
}
}
{
"servers": {
"twentyone-million": {
"type": "http",
"url": "https://twentyonemillion.art/api/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://twentyonemillion.art/api/mcp
Tools 2 found in our last check
wall_statusRead the live status of the twentyone million wall. Free. No wallet and no payment. Returns the JSON from /api/status.
claim_squareClaim one square on the twentyone million wall. $1 USDC on Base, paid over x402 by your own wallet. This server does not pay and does not hold a key. The result is the wall's HTTP 402 payment requirements for the claim URL. Sign that challenge and retry the claim POST with the P…
Details
| Endpoint | https://twentyonemillion.art/api/mcp (Streamable HTTP) |
| First published | 3 Nov 2026 |
| Last updated | 3 Nov 2026 |
| Registry name | io.github.21-million-wall/twentyone-million |
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