List all supported lending protocols with live TVL, deposit/borrow totals, pool counts, and user counts. Fans out to all registered subgraph endpoints. Optionally filter by network or schema version.
AI agents call list_protocols to retrieve information from Graph Lending without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves structured lending protocol metadata across multiple chains. It has no side effects—no data is created, modified, deleted, or financial transactions executed. The optional filtering parameters do not change the read-only nature. The blast radius of misuse is minimal: an agent could only retrieve data about supported protocols, which is already public information.
From the tool's definition Tool description explicitly states it "List[s] all supported lending protocols" and retrieves "live TVL, deposit/borrow totals, pool counts, and user counts." The verb "list" and data retrieval nature with optional filtering are characteristic of read-only…
Attacks that exploit this kind of access
List all supported lending protocols with live TVL, deposit/borrow totals, pool counts, and user counts. Fans out to all registered subgraph endpoints. Optionally filter by network or schema version. It is categorised as a Read tool in the Graph Lending MCP Server, which means it retrieves data without modifying state.
Register the Graph Lending MCP server in PolicyLayer and add a rule for list_protocols: 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 Graph Lending. Nothing to install.
list_protocols 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 list_protocols 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 list_protocols. 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.
list_protocols is provided by the Graph Lending MCP server (paulieb14/graph-lending-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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