Chain Data MCP Server

by cyberpunk11147io.github.CyberPunk11147/cyberwarex-chain-datav1.2.1

EVM onchain data: wallet, token, price, gas, transactions, ENS across 5 chains.

0Dockerstdioofficial registry

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Active3d ago

Install Chain Data MCP server

claude mcp add chain-data -e CHAIN_X_PAYMENT='<chain-x-payment>' -- docker run -i --rm -e CHAIN_X_PAYMENT ghcr.io/cyberpunk11147/cyberwarex-chain-data:1.2.1

{
  "mcpServers": {
    "chain-data": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "CHAIN_X_PAYMENT",
        "ghcr.io/cyberpunk11147/cyberwarex-chain-data:1.2.1"
      ],
      "env": {
        "CHAIN_X_PAYMENT": "<chain-x-payment>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "chain-data": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "CHAIN_X_PAYMENT",
        "ghcr.io/cyberpunk11147/cyberwarex-chain-data:1.2.1"
      ],
      "env": {
        "CHAIN_X_PAYMENT": "<chain-x-payment>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "chain-data": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "CHAIN_X_PAYMENT",
        "ghcr.io/cyberpunk11147/cyberwarex-chain-data:1.2.1"
      ],
      "env": {
        "CHAIN_X_PAYMENT": "<chain-x-payment>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "chain-data": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "CHAIN_X_PAYMENT",
        "ghcr.io/cyberpunk11147/cyberwarex-chain-data:1.2.1"
      ],
      "env": {
        "CHAIN_X_PAYMENT": "<chain-x-payment>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
CHAIN_X_PAYMENT	—	yes	Optional x402 X-PAYMENT header. If unset, the server surfaces the 402 invoice to the agent so its own x402 client can pay and retry.
CHAIN_BASE_URL	—	—	Override the default service URL (https://chain.cyberwarex.com).

Freshness

Active — last maintenance signal 3d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-07 · 3d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-07 · 3d ago · official registry · v1.2.1

FAQ

›How do I install the Chain Data MCP server in Claude Code?

Run: claude mcp add chain-data -e CHAIN_X_PAYMENT='<chain-x-payment>' -- docker run -i --rm -e CHAIN_X_PAYMENT ghcr.io/cyberpunk11147/cyberwarex-chain-data:1.2.1. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Chain Data require an API key?

Yes. It expects CHAIN_X_PAYMENT, of which 1 is a secret.

›Can I use Chain Data as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Chain Data in the official MCP registry?

Yes, as io.github.CyberPunk11147/cyberwarex-chain-data.