Get TRON block info by number (or latest if omitted). No auth required.
AI agents call get_block to retrieve information from MERX - TRON Resource Exchange without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves publicly available TRON blockchain block information. It performs no modifications, deletions, code execution, or financial transactions. The absence of authentication suggests this is a public query endpoint. Reading blockchain data is a standard Read category operation with minimal risk when used by an AI agent, as it cannot alter state or commit resources.
From the tool's definition Tool description states 'Get TRON block info' which is a retrieval operation with 'No auth required'. The phrase 'get' and 'info' indicate read-only data retrieval. Querying blockchain block data is a standard, passive query operation with no side effects.
Attacks that exploit this kind of access
Get TRON block info by number (or latest if omitted). No auth required. It is categorised as a Read tool in the MERX - TRON Resource Exchange MCP Server, which means it retrieves data without modifying state.
Register the MERX - TRON Resource Exchange MCP server in PolicyLayer and add a rule for get_block: 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 MERX - TRON Resource Exchange. Nothing to install.
get_block 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_block 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_block. 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_block is provided by the MERX - TRON Resource Exchange MCP server (Hovsteder/merx-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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