prepare_kamino_borrow

SERVERVaultPilot MCP SOURCEvaultpilot-mcp

Critical RISK CLASS

Category Financial

Parameters 33 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-szhygulin-vaultpilot-mcp/prepare-kamino-borrow.md

WHAT IT DOES

What prepare_kamino_borrow does on VaultPilot MCP

AI agents use prepare_kamino_borrow to commit financial operations through VaultPilot MCP, usually the final step of a payment, billing, or trading workflow. A call moves real money.

Parameter	Type	Required	Description
`mint`	string	Yes	Base58 SPL mint of the asset to borrow against the obligation's collateral.
`amount`	string	Yes	Human-readable amount to borrow (e.g. "100" for 100 USDC). Decimals are resolved from the reserve's mint metadata. The on-chain program enforces the borrow LTV
`wallet`	string	Yes	Solana base58 wallet — must already have Kamino userMetadata + obligation.

Parameters from the server's own tool schema.

RISK

Why prepare_kamino_borrow is rated Critical

This tool constructs a transaction that borrows liquidity from a DeFi lending protocol (Kamino), creating on-chain debt obligations against collateral. This is a financial operation that commits the user to a debt position, which can trigger liquidations if collateral value drops, and involves real asset movements on Solana.

From the tool's definition 'Build a Kamino borrow tx — pulls liquidity from a reserve as debt against the obligation's existing collateral' and 'DURABLE NONCE REQUIRED + same blind-sign treatment as prepare_kamino_supply'

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs prepare_kamino_borrow safely

PolicyLayer is an MCP gateway: it sits between your AI agents and VaultPilot MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For prepare_kamino_borrow, this is the rule to start with:

prepare_kamino_borrow Approval-gated

Any call to prepare_kamino_borrow is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "prepare_kamino_borrow": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect VaultPilot MCP, apply this rule, and every prepare_kamino_borrow call is checked against it from then on.

FAQ

Questions about prepare_kamino_borrow

What does the prepare_kamino_borrow tool do? +

Build a Kamino borrow tx — pulls liquidity from a reserve as debt against the obligation's existing collateral. Refuses if the wallet hasn't run prepare_kamino_init_user; refuses if the mint isn't listed on Kamino's main market. On-chain LTV gate: borrow reverts if it would push the obligation over the reserve's borrowLimit (the simulation gate catches this before signing). DURABLE NONCE REQUIRED + same blind-sign treatment as prepare_kamino_supply. It is categorised as a Financial tool in the VaultPilot MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

What parameters does prepare_kamino_borrow accept? +

prepare_kamino_borrow accepts 3 parameters: mint, amount, wallet. Required: mint, amount, wallet. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on prepare_kamino_borrow? +

Register the VaultPilot MCP server in PolicyLayer and add a rule for prepare_kamino_borrow: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches VaultPilot MCP. Nothing to install.

What risk level is prepare_kamino_borrow? +

prepare_kamino_borrow is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit prepare_kamino_borrow? +

Yes. Add a rate_limit block to the prepare_kamino_borrow rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block prepare_kamino_borrow completely? +

Set action: deny in the PolicyLayer policy for prepare_kamino_borrow. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides prepare_kamino_borrow? +

prepare_kamino_borrow is provided by the VaultPilot MCP server (vaultpilot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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