{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.probarion/probarion","description":"Let an AI agent pay in USDC on NEAR only inside owner-signed mandates, with a signed ledger.","title":"Probarion","repository":{"url":"https://github.com/probarion/probarion","source":"github","subfolder":"packages/mcp"},"version":"0.1.1","websiteUrl":"https://probarion.xyz","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@probarion/mcp","version":"0.1.1","transport":{"type":"stdio"},"environmentVariables":[{"description":"The vault account, for example acme.vaults.probarion.testnet. A name ending in .near is on mainnet, one ending in .testnet on testnet","isRequired":true,"name":"PROBARION_VAULT_ID"},{"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","choices":["mainnet","testnet"],"name":"NEAR_NETWORK"},{"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","format":"filepath","name":"PROBARION_KEYS_FILE"},{"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","isSecret":true,"name":"PROBARION_AGENT_KEY"},{"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","isSecret":true,"name":"PROBARION_LEDGER_KEY"},{"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_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":"NEAR_ARCHIVAL_RPC_URLS"},{"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","format":"filepath","name":"PROBARION_LEDGER_PATH"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-11-11T13:23:28.026058Z","publishedAt":"2026-11-11T13:23:28.026058Z","updatedAt":"2026-11-11T13:23:28.026058Z","isLatest":true}}}