Probarion

io.github.probarion/probarion

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

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Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "probarion": {
      "command": "npx",
      "args": [
        "-y",
        "@probarion/mcp@0.1.1"
      ],
      "env": {
        "PROBARION_VAULT_ID": "<your PROBARION_VAULT_ID>",
        "PROBARION_AGENT_KEY": "<your PROBARION_AGENT_KEY>",
        "PROBARION_LEDGER_KEY": "<your PROBARION_LEDGER_KEY>"
      }
    }
  }
}
Environment variables
  • PROBARION_VAULT_IDrequiredThe vault account, for example acme.vaults.probarion.testnet. A name ending in .near is on mainnet, one ending in .testnet on testnet
  • PROBARION_AGENT_KEYsecretThe agent key's secret (ed25519:...), the vault's key that can only call spend, in place of a keys file. Set it with PROBARION_LEDGER_KEY, or neither
  • PROBARION_LEDGER_KEYsecretThe ledger key's secret (ed25519:...), the vault's key that can only call anchor, in place of a keys file. Set it with PROBARION_AGENT_KEY, or neither

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Crypto & Web3
Version
0.1.1
Registry
active
Published
11/11/2026

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Markdown — for your README

[![Probarion — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-probarion-probarion?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.