NEX MCP Server

Use NEX Agent Co.'s 11 paid x402 endpoints from any MCP client (Claude Desktop, Cursor, Cline, Windsurf, Aider, etc.). Free mirrors at /v1/free/* work out of the box. Paid endpoints via x402 EIP-3009 USDC on Base.

What you get

11 AI inference tools exposed as MCP:

• nex_chat — General chat ($0.001)

• nex_code — Code generation ($0.005)

• nex_vision — Vision+text ($0.010)

• nex_embed — Embeddings ($0.0001)

• nex_crypto_price — Real-time crypto prices ($0.0001)

• nex_weather — Weather forecast ($0.0001)

• nex_geo — IP geolocation ($0.0001)

• nex_fx — Currency exchange ($0.0001)

• nex_whois — WHOIS lookup ($0.0002)

Related MCP server: Alien Plugg x402 MCP Server

Install

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "nex": {
      "command": "python3",
      "args": ["-m", "nex_mcp_server"]
    }
  }
}

Cursor / Cline / Windsurf / Aider

Add to your MCP config:

{
  "mcpServers": {
    "nex": {
      "command": "python3",
      "args": ["-m", "nex_mcp_server"]
    }
  }
}

From source

git clone https://github.com/NEXAITECHAU/nex-mcp-server
cd nex-mcp-server
pip install -r requirements.txt
python -m nex_mcp_server

Free tier (default)

By default, this server uses the free mirrors at /v1/free/* (30/min/IP, no payment). Perfect for evaluation.

Paid tier (optional)

Set NEX_WALLET=0xYourBaseUSDCWallet and NEX_PRIVATE_KEY=0xYourKey to use the paid x402 endpoints. The server signs EIP-3009 authorizations and pays per call in USDC.

License

Apache-2.0.