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Maxwell Directory (x402 + MCP)

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Local providers worldwide, plus travel and public data. Free search; paid answers via x402.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http maxwell-directory-x402-mcp 'https://api.maxwellinternational.ai/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "maxwell-directory-x402-mcp": {
            "type": "http",
            "url": "https://api.maxwellinternational.ai/mcp"
        }
    }
}
NPM package @maxwellintl/x402-mcp
Claude Code 
claude mcp add maxwell-directory-x402-mcp -e 'MAXWELL_WALLET_KEY_FILE=<MAXWELL_WALLET_KEY_FILE>' -e 'MAXWELL_SOLANA_KEY_FILE=<MAXWELL_SOLANA_KEY_FILE>' -e 'MAXWELL_MAX_PER_CALL_USD=0.05' -e 'MAXWELL_DAILY_BUDGET_USD=2' -- npx -y @maxwellintl/x402-mcp@0.2.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "maxwell-directory-x402-mcp": {
            "command": "npx",
            "args": [
                "-y",
                "@maxwellintl/x402-mcp@0.2.0"
            ],
            "env": {
                "MAXWELL_WALLET_KEY_FILE": "<MAXWELL_WALLET_KEY_FILE>",
                "MAXWELL_SOLANA_KEY_FILE": "<MAXWELL_SOLANA_KEY_FILE>",
                "MAXWELL_MAX_PER_CALL_USD": "0.05",
                "MAXWELL_DAILY_BUDGET_USD": "2"
            }
        }
    }
}

Environment variables

  • MAXWELL_WALLET_KEY_FILE File with a Base (EVM) private key for paying; without a wallet, paid tools only quote
  • MAXWELL_SOLANA_KEY_FILE File with a Solana secret key for paying in USDC on Solana
  • MAXWELL_MAX_PER_CALL_USD Per-call cap; above it the user is asked (default 0.05)
  • MAXWELL_DAILY_BUDGET_USD Daily spend cap in USD (default 2)

Frequently asked questions

What is Maxwell Directory (x402 + MCP)?

Local providers worldwide, plus travel and public data. Free search; paid answers via x402.

How do I install Maxwell Directory (x402 + MCP)?

It runs as a remote server. In Claude Code: claude mcp add --transport http maxwell-directory-x402-mcp 'https://api.maxwellinternational.ai/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Maxwell Directory (x402 + MCP) need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains Maxwell Directory (x402 + MCP)?

It is published by ai.maxwellinternational. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.