Maxwell Directory (x402 + MCP)

Name: Maxwell Directory (x402 + MCP)
Author: maxwellinternational.ai

by maxwellinternational.aiversion 0.2.0i★ –iComputer or cloud

Registry nameai.maxwellinternational/data

Install

Overview

Description from the maker (original English)

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

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi0 of 1 passedChecked from public information; code not scanned yet
UsageiVery new↓ 100/wk · ★ –

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Connection: Computer or cloud
Transport: stdio, Streamable HTTP
Category: Travel, maps & weather

Install

Pick the AI app you use, then copy the settings.

Before you install

Basic checks: 0 of 1 passed
Runs on the maker’s server: what you ask it goes through their server.
You fill in yourself: MAXWELL_WALLET_KEY_FILE, MAXWELL_SOLANA_KEY_FILE, MAXWELL_MAX_PER_CALL_USD, MAXWELL_DAILY_BUDGET_USD

You need

Runs in the cloudNothing to install; it connects over the internet
npmNode.js installed (for the npx command)

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

Pick your app above. We remember it, so next time the button says “Install in …”.

Works in Claude on the web, desktop and mobile:

Open Settings → Connectors
Press Add custom connector
Paste the address below and press Add
If it asks you to sign in, sign in with the maker

https://api.maxwellinternational.ai/mcp

Or run it on your computer

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "data": {
      "command": "npx",
      "args": [
        "-y",
        "@maxwellintl/x402-mcp"
      ],
      "env": {
        "MAXWELL_WALLET_KEY_FILE": "your-value",
        "MAXWELL_SOLANA_KEY_FILE": "your-value",
        "MAXWELL_MAX_PER_CALL_USD": "your-value",
        "MAXWELL_DAILY_BUDGET_USD": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add --transport http data https://api.maxwellinternational.ai/mcp

Or run it on your computer

claude mcp add data --env MAXWELL_WALLET_KEY_FILE=your-value --env MAXWELL_SOLANA_KEY_FILE=your-value --env MAXWELL_MAX_PER_CALL_USD=your-value --env MAXWELL_DAILY_BUDGET_USD=your-value -- npx -y @maxwellintl/x402-mcp

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "data": {
      "url": "https://api.maxwellinternational.ai/mcp"
    }
  }
}

Or run it on your computer

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "data": {
      "command": "npx",
      "args": [
        "-y",
        "@maxwellintl/x402-mcp"
      ],
      "env": {
        "MAXWELL_WALLET_KEY_FILE": "your-value",
        "MAXWELL_SOLANA_KEY_FILE": "your-value",
        "MAXWELL_MAX_PER_CALL_USD": "your-value",
        "MAXWELL_DAILY_BUDGET_USD": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "data": {
      "type": "http",
      "url": "https://api.maxwellinternational.ai/mcp"
    }
  }
}

Or run it on your computer

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "data": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@maxwellintl/x402-mcp"
      ],
      "env": {
        "MAXWELL_WALLET_KEY_FILE": "your-value",
        "MAXWELL_SOLANA_KEY_FILE": "your-value",
        "MAXWELL_MAX_PER_CALL_USD": "your-value",
        "MAXWELL_DAILY_BUDGET_USD": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

ChatGPT connects only to servers on the internet:

Open ChatGPT on the web → Settings → Connectors (Apps)
Press Create or Add (some plans need Developer mode under Advanced first)
Paste the address below, give it a name and save
If it asks you to sign in, sign in with the maker

https://api.maxwellinternational.ai/mcp

Menu names can differ slightly by plan and over time.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

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

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

We have not read this server’s tool list yet; we check endpoints in rotation.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 8, 2026

! Caution
Maker matches the repo
The registry lists no source repo, so we cannot match the publisher (maxwellinternational.ai) to the code
… Not checked yet
Still maintained
We have not read this repo from GitHub yet
… Not checked yet
Has a licence
We have not read this repo from GitHub yet
… Not checked yet
Endpoint responds
Not checked yet; we check endpoints in rotation
… Not checked yet
Sign-in with OAuth
Not checked yet; we check endpoints in rotation
… Not checked yet
No hidden instructions in tool descriptions
Not checked yet; we read the tool list when we check the endpoint

Compared with others in Travel, maps & weatheri

More stars than 0% of the other 1721 servers in this category
Published to the registry more recently than 45% of the other 1721 servers in this category
Basic checks equal to or better than 23% of the other 1721 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Maxwell Directory (x402 + MCP) safe?

It passed 0 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

Either way works: install it on your computer or connect to the cloud version.

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.2.0) reached the registry 38 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Addressfinder MCP by usefulapi, topo^alpin, Dojazdomat

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Addressfinder MCP by usefulapi

Autocomplete and verify NZ and AU addresses, and search NZ and AU locations in Addressfinder.

by m190EarlyUpdated today

Runs in the cloud✓ usefulapi.io

Install

topo^alpin

Avalanche bulletins, mountain weather, stations, huts, ski and snowshoe tours in the Alps.

by topoalpin.appEarlyUpdated today

Runs in the cloud✓ topoalpin.app

Install

Dojazdomat

Warsaw commute by transit, bike, walk or car plus rent medians: rank, compare, trend areas.

by MikolajSapekEarlyUpdated today

Runs in the cloud

Install

README from the maker

No README found in the repo

Maxwell Directory (x402 + MCP)

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

Or run it on your computer

Or run it on your computer

Or run it on your computer

Or run it on your computer

Values you fill in

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Travel, maps & weatheri

Common questions

Alternatives

Addressfinder MCP by usefulapi

topo^alpin

Dojazdomat

README from the maker