Get detailed information about Yearn vaults on Katana network
AI agents call getYearnVaultInfo to retrieve information from Katana 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 vault metadata and information without modifying state, executing code, or moving assets. It is a pure Read operation with minimal risk even if misused by an AI agent, as it cannot alter balances, execute trades, or trigger financial transactions.
From the tool's definition Tool name 'getYearnVaultInfo' and description 'Get detailed information about Yearn vaults' indicate a read-only information retrieval operation with no side effects.
Attacks that exploit this kind of access
Get detailed information about Yearn vaults on Katana network. It is categorised as a Read tool in the Katana MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Katana MCP Server MCP server in PolicyLayer and add a rule for getYearnVaultInfo: 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 Katana MCP Server. Nothing to install.
getYearnVaultInfo 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 getYearnVaultInfo 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 getYearnVaultInfo. 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.
getYearnVaultInfo is provided by the Katana MCP Server MCP server (playainetwork/katana_mcp). 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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