AI agents call list_nodit_aptos_indexer_api_query_root to retrieve information from Nodit without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns metadata about available GraphQL query roots in the Nodit Aptos Indexer API. It is a pure read operation that retrieves information without creating, modifying, deleting, or executing any code. The low severity reflects that listing available API endpoints poses minimal risk even if accessed by an untrusted agent.
From the tool's definition Tool name contains 'list' and description states it 'Lists all query roots available' — a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Lists all query roots available in the Nodit Aptos Indexer GraphQL API. It is categorised as a Read tool in the Nodit MCP Server, which means it retrieves data without modifying state.
Register the Nodit MCP server in PolicyLayer and add a rule for list_nodit_aptos_indexer_api_query_root: 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 Nodit. Nothing to install.
list_nodit_aptos_indexer_api_query_root 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_nodit_aptos_indexer_api_query_root 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_nodit_aptos_indexer_api_query_root. 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_nodit_aptos_indexer_api_query_root is provided by the Nodit MCP server (@noditlabs/nodit-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.
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