Get full loan details for an active vault loan. Handles the vault-as-borrower indirection automatically. Returns null if no active vault loan.
AI agents call get_vault_loan to retrieve information from Basis MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries loan information from an active vault. It does not create, modify, delete, or execute any state-changing operations. The function is purely informational, returning data about an existing loan or null. This is a classic Read operation with minimal risk.
From the tool's definition Tool description states 'Get full loan details' and 'Returns null if no active vault loan' — these are retrieval operations with no side effects. The word 'Get' indicates a query operation.
Attacks that exploit this kind of access
Get full loan details for an active vault loan. Handles the vault-as-borrower indirection automatically. Returns null if no active vault loan. It is categorised as a Read tool in the Basis MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Basis MCP Server MCP server in PolicyLayer and add a rule for get_vault_loan: 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 Basis MCP Server. Nothing to install.
get_vault_loan is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_vault_loan 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.
Set action: deny in the PolicyLayer policy for get_vault_loan. 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.
get_vault_loan is provided by the Basis MCP Server MCP server (launch-on-basis/mcp-ts). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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