List markets (lending pools) for a protocol, ordered by TVL or borrows. Returns token, rates, caps, LTV thresholds, and reward info.
AI agents call get_markets 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 retrieves structured information about lending market parameters across protocols without creating, modifying, executing, or destroying any data. The blast radius of misuse is minimal—an AI agent querying markets cannot cause financial loss, data deletion, or code execution. It is a straightforward data query utility.
From the tool's definition Tool 'get_markets' lists and returns data about lending pools including 'token, rates, caps, LTV thresholds, and reward info' with no mention of modification, deletion, or execution capabilities. The verb 'List' and 'Returns' indicate read-only data retrieval.
Attacks that exploit this kind of access
List markets (lending pools) for a protocol, ordered by TVL or borrows. Returns token, rates, caps, LTV thresholds, and reward info. 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 get_markets: 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.
get_markets 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_markets 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_markets. 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_markets 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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