Probarion

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-11T13:23:28.026058Z",
      "publishedAt": "2026-11-11T13:23:28.026058Z",
      "statusChangedAt": "2026-11-11T13:23:28.026058Z"
    }
  },
  "server": {
    "name": "io.github.probarion/probarion",
    "title": "Probarion",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "0.1.1",
    "packages": [
      {
        "version": "0.1.1",
        "transport": {
          "type": "stdio"
        },
        "identifier": "@probarion/mcp",
        "registryType": "npm",
        "registryBaseUrl": "https://registry.npmjs.org",
        "environmentVariables": [
          {
            "name": "PROBARION_VAULT_ID",
            "isRequired": true,
            "description": "The vault account, for example acme.vaults.probarion.testnet. A name ending in .near is on mainnet, one ending in .testnet on testnet"
          },
          {
            "name": "NEAR_NETWORK",
            "choices": [
              "mainnet",
              "testnet"
            ],
            "description": "mainnet or testnet. Needed only when the vault id ends in neither .near nor .testnet; when set, the vault id's ending must agree with it"
          },
          {
            "name": "PROBARION_KEYS_FILE",
            "format": "filepath",
            "description": "Absolute path of the keys file that probarion-mcp init wrote, which must exist. Default ~/.probarion/<vault>/keys.json, used when it exists. With no keys the server is read-only"
          },
          {
            "name": "PROBARION_AGENT_KEY",
            "isSecret": true,
            "description": "The 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"
          },
          {
            "name": "PROBARION_LEDGER_KEY",
            "isSecret": true,
            "description": "The 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"
          },
          {
            "name": "NEAR_RPC_URLS",
            "description": "Comma-separated https:// NEAR RPC URLs in failover order, with no user name or password (http:// only for a node on this machine). Default: the public RPCs @probarion/core lists for the network"
          },
          {
            "name": "NEAR_ARCHIVAL_RPC_URLS",
            "description": "Comma-separated archival RPC URLs that verify reads old transactions from, with the same rules as NEAR_RPC_URLS. Default: FastNEAR's archival node"
          },
          {
            "name": "PROBARION_LEDGER_PATH",
            "format": "filepath",
            "description": "Absolute path of the ledger file: a relative one is taken from the folder the client starts the server in. Default ~/.probarion/<vault>/ledger.jsonl"
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/probarion/probarion",
      "source": "github",
      "subfolder": "packages/mcp"
    },
    "websiteUrl": "https://probarion.xyz",
    "description": "Let an AI agent pay in USDC on NEAR only inside owner-signed mandates, with a signed ledger."
  }
}