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mcp/harbor
Claude Desktop

Probarion for Claude Desktop

io.github.probarion/probarion

Let an AI agent pay in USDC on NEAR only inside owner-signed mandates, with a signed ledger.

client:Claude Desktop transport:stdio runtime:npm

Install Probarion in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "probarion": {
      "command": "npx",
      "args": [
        "-y",
        "@probarion/mcp"
      ],
      "env": {
        "PROBARION_VAULT_ID": "<PROBARION_VAULT_ID>",
        "NEAR_NETWORK": "<NEAR_NETWORK>",
        "PROBARION_KEYS_FILE": "<PROBARION_KEYS_FILE>",
        "PROBARION_AGENT_KEY": "<PROBARION_AGENT_KEY>",
        "PROBARION_LEDGER_KEY": "<PROBARION_LEDGER_KEY>",
        "NEAR_RPC_URLS": "<NEAR_RPC_URLS>",
        "NEAR_ARCHIVAL_RPC_URLS": "<NEAR_ARCHIVAL_RPC_URLS>",
        "PROBARION_LEDGER_PATH": "<PROBARION_LEDGER_PATH>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

Probarion in other clients

Probarion MCP server