Koskamo

Little John MCP

A local, non-custodial MCP application for the Robinhood Chain. It allows users to inspect assets and contracts, construct USDG/Stock Token exchange decisions, and approve onchain actions via WalletConnect without surrendering key control. It supports data signing for personal messages and EIP-712 typed data.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Little John MCP logo, by zktx-mcpCommunity listingLocal stdioSource reviewed; not executedPublished by zktx-mcp
Vendor documentation

What you can do with it

  • Inspect Robinhood Chain assets and contracts
  • Construct USDG/Stock Token exchange decisions
  • Approve onchain actions via WalletConnect
  • Sign personal messages and EIP-712 typed data

Source and maintenance

Community listingRegistry 0.0.5
mcp-registry: io.github.zktx-mcp/littlejohn-mcp@0.0.5Source repositoryProject website
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@zktx.io/littlejohn-mcp 0.0.5

npm
@zktx.io/littlejohn-mcp package definition
{
  "version": "0.0.5",
  "transport": "stdio",
  "identifier": "@zktx.io/littlejohn-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "LITTLEJOHN_MCP_RPC_URL",
      "format": "string",
      "description": "Optional Robinhood Chain HTTPS RPC URL. Omit this variable to use the configured public default; an empty or invalid value is an error."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "little-john-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@zktx.io/littlejohn-mcp@0.0.5"
      ],
      "env": {
        "LITTLEJOHN_MCP_RPC_URL": "<YOUR_LITTLEJOHN_MCP_RPC_URL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "little-john-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@zktx.io/littlejohn-mcp@0.0.5"
      ],
      "env": {
        "LITTLEJOHN_MCP_RPC_URL": "<YOUR_LITTLEJOHN_MCP_RPC_URL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "little-john-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@zktx.io/littlejohn-mcp@0.0.5"
      ],
      "env": {
        "LITTLEJOHN_MCP_RPC_URL": "<YOUR_LITTLEJOHN_MCP_RPC_URL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "little-john-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@zktx.io/littlejohn-mcp@0.0.5"
      ],
      "env": {
        "LITTLEJOHN_MCP_RPC_URL": "<YOUR_LITTLEJOHN_MCP_RPC_URL>"
      }
    }
  }
}

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