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AI and media

Port 402 Memory

io.github.Tifdt/port402-memory ยท v1.2.0

Memory, inbox and alarm clock for AI agents, paid per call in USDC on Base (x402). No API key.

Website Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add port402-memory -e PORT402_PRIVATE_KEY=<PORT402_PRIVATE_KEY> -e PORT402_MAX_USD_PER_CALL=<PORT402_MAX_USD_PER_CALL> -- https://github.com/Tifdt/port402-memory-mcp/releases/download/v1.2.0/port402-memory.mcpb
claude_desktop_config.json
{
  "mcpServers": {
    "port402-memory": {
      "command": "https://github.com/Tifdt/port402-memory-mcp/releases/download/v1.2.0/port402-memory.mcpb",
      "args": [],
      "env": {
        "PORT402_PRIVATE_KEY": "<PORT402_PRIVATE_KEY>",
        "PORT402_MAX_USD_PER_CALL": "<PORT402_MAX_USD_PER_CALL>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "port402-memory": {
      "command": "https://github.com/Tifdt/port402-memory-mcp/releases/download/v1.2.0/port402-memory.mcpb",
      "args": [],
      "env": {
        "PORT402_PRIVATE_KEY": "<PORT402_PRIVATE_KEY>",
        "PORT402_MAX_USD_PER_CALL": "<PORT402_MAX_USD_PER_CALL>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "port402-memory": {
      "type": "stdio",
      "command": "https://github.com/Tifdt/port402-memory-mcp/releases/download/v1.2.0/port402-memory.mcpb",
      "args": [],
      "env": {
        "PORT402_PRIVATE_KEY": "<PORT402_PRIVATE_KEY>",
        "PORT402_MAX_USD_PER_CALL": "<PORT402_MAX_USD_PER_CALL>"
      }
    }
  }
}

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

NameDescription
PORT402_PRIVATE_KEY
Required, secret		Private key of a dedicated Base wallet holding a few USDC. It pays each call and is your private memory namespace.
PORT402_MAX_USD_PER_CALL
Optional		Spending cap per call in USD (default 0.01).

Details

Packagehttps://github.com/Tifdt/port402-memory-mcp/releases/download/v1.2.0/port402-memory.mcpb (MCPB, stdio)
First published1 Nov 2026
Last updated1 Nov 2026
Registry nameio.github.Tifdt/port402-memory

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