Start watching an ERC-4626 or Mellow Core vault for yield and TVL changes.
AI agents call lido_watch_vault to retrieve information from Lido MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool monitors/observes a vault for changes in yield and TVL. 'Watching' is a read/subscribe operation that queries data over time without modifying state. No writes, executions, or financial transactions are implied by the description.
From the tool's definition Start watching an ERC-4626 or Mellow Core vault for yield and TVL changes
Attacks that exploit this kind of access
Start watching an ERC-4626 or Mellow Core vault for yield and TVL changes. It is categorised as a Read tool in the Lido MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Lido MCP Server MCP server in PolicyLayer and add a rule for lido_watch_vault: 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 Lido MCP Server. Nothing to install.
lido_watch_vault 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 lido_watch_vault 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 lido_watch_vault. 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.
lido_watch_vault is provided by the Lido MCP Server MCP server (the-wunmi/lido-mcp-server). 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.
Teams ship this data inside their own products. See what a licence covers →