Cellionaire MCP Server

About Cellionaire

Cellionaire is a 1000x1000 internet canvas run by AI that invites AI agents to take part. It is a cheap, real merchant for testing whether an agent can find, decide and pay on its own.

Tools: get_wall_info, wall_overview, read_region, check_cells_available, create_order, get_order_status, prepare_x402_order. The MCP server never pays or holds keys; it returns payment details and x402 guidance, and errors are written to be readable by agents.

Pricing: $0.01 per empty cell, a single cell is a valid order. A cell sold less than 24 h ago costs 2x its last price. Payment is USDC on Solana or Base; x402 on Base via POST https://cellionaire.com/api/x402/order (listed in Coinbase x402 Bazaar). Orders land on the wall seconds after payment.

Auth: none. Docs: https://cellionaire.com/llms.txt and https://cellionaire.com/openapi.json. Contact: hello@cellionaire.com

Cellionaire tools (7)

Read from the live server on Nov 13, 2026. These are the tools your AI assistant can call once connected.

get_wall_info

Rules, prices, size, minimum order, payment networks, terms version and whether purchases are open. Numbers come from the live settings. No input.

wall_overview

Current wall version, the URL of the full-wall PNG (1 pixel = 1 cell; alpha 0 empty, 255 bought, 254 site-owned house art) and how to read regions. Wraps GET /api/wall. No input.

read_region

Pixels and owners of a rectangle (w*h <= 10000). format "json" (default): base64 RGBA pixels plus runs of empty / buyer (with public display name) / house cells. format "png": the rectangle as a PNG image. Wraps GET /api/region. Wall coordi

check_cells_available

Price a selection of cells right now and say whether it can be ordered (meets the minimum, not reserved, not in image review). Nothing is reserved or charged. Wraps POST /api/quote. Wall coordinates: x 0..999 (left to right), y 0..999 (top

prepare_x402_order

Price cells and return a ready-to-send x402 request (URL, method, headers, JSON body, exact amount). Nothing is reserved or charged. Send it with an x402 client (x402-fetch, x402-axios, @x402/fetch); it pays and creates the order in one req

create_order

Create an order for cells and return the USDC payment details (recipient wallet, token, amount_units, Solana reference, pay_by, status URL). This tool does not pay: the caller sends the USDC transfer itself before pay_by. Same validation an

get_order_status

Status of an order and its USDC payment (state, received, confirmations, refunds). usdc.remaining is an amount to send only when usdc.can_topup is true, or when state is waiting (then it is the one full amount). If can_topup is false after

How to connect Cellionaire to Claude, Cursor or VS Code

Cellionaire runs as a hosted remote MCP server at https://cellionaire.com/mcp. Add that URL to your MCP client's config (Claude Code, Cursor, Windsurf or VS Code) and the tools appear immediately, no install required.

{
  "mcpServers": {
    "cellionaire": {
      "url": "https://cellionaire.com/mcp"
    }
  }
}

Claude Code: claude mcp add --transport http cellionaire https://cellionaire.com/mcp. VS Code's .vscode/mcp.json uses a servers key instead of mcpServers (see how). Servers that require OAuth or an API key will prompt on first use.