FlashBank

io.github.Rotwang9000/flashbank · v1.1.1

Fixed-fee P2P term loans (no oracles) and flash loans on Ethereum, Base, Arbitrum and Sepolia.

Website Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add flashbank -e FLASHBANK_MCP_PRIVATE_KEY=<FLASHBANK_MCP_PRIVATE_KEY> -e FLASHBANK_MCP_ALLOW_MAINNET=<FLASHBANK_MCP_ALLOW_MAINNET> -e FLASHBANK_MCP_RPC_SEPOLIA=<FLASHBANK_MCP_RPC_SEPOLIA> -- npx -y @flashbank/[email protected]

claude_desktop_config.json

{
  "mcpServers": {
    "flashbank": {
      "command": "npx",
      "args": [
        "-y",
        "@flashbank/[email protected]"
      ],
      "env": {
        "FLASHBANK_MCP_PRIVATE_KEY": "<FLASHBANK_MCP_PRIVATE_KEY>",
        "FLASHBANK_MCP_ALLOW_MAINNET": "<FLASHBANK_MCP_ALLOW_MAINNET>",
        "FLASHBANK_MCP_RPC_SEPOLIA": "<FLASHBANK_MCP_RPC_SEPOLIA>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "flashbank": {
      "command": "npx",
      "args": [
        "-y",
        "@flashbank/[email protected]"
      ],
      "env": {
        "FLASHBANK_MCP_PRIVATE_KEY": "<FLASHBANK_MCP_PRIVATE_KEY>",
        "FLASHBANK_MCP_ALLOW_MAINNET": "<FLASHBANK_MCP_ALLOW_MAINNET>",
        "FLASHBANK_MCP_RPC_SEPOLIA": "<FLASHBANK_MCP_RPC_SEPOLIA>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "flashbank": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@flashbank/[email protected]"
      ],
      "env": {
        "FLASHBANK_MCP_PRIVATE_KEY": "<FLASHBANK_MCP_PRIVATE_KEY>",
        "FLASHBANK_MCP_ALLOW_MAINNET": "<FLASHBANK_MCP_ALLOW_MAINNET>",
        "FLASHBANK_MCP_RPC_SEPOLIA": "<FLASHBANK_MCP_RPC_SEPOLIA>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Name	Description
`FLASHBANK_MCP_PRIVATE_KEY` Optional, secret	Optional EVM private key enabling write tools (create/take/repay offers, faucet). Omit for read-only mode. Use a throwaway key.
`FLASHBANK_MCP_ALLOW_MAINNET` Optional	Set to 'true' to allow write tools on mainnets (Ethereum, Base, Arbitrum). Defaults to Sepolia-only writes.
`FLASHBANK_MCP_RPC_SEPOLIA` Optional	Optional custom RPC URL override for Sepolia (similarly FLASHBANK_MCP_RPC_ETHEREUM / _BASE / _ARBITRUM).

Details

Package	`@flashbank/[email protected]` (NPM, stdio)
First published	12 Jun 2026
Last updated	12 Jun 2026
Registry name	`io.github.Rotwang9000/flashbank`

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Live status

Local install

Installed and run on your own machine, so there is no public endpoint to check.

Pair it with live search

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