get_block_range

A read tool on the Tenzro Ledger MCP server.

SERVERTenzro Ledger MCP SOURCEhttps://canton-mcp.tenzro.network/mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/network-tenzro-tenzro/get-block-range.md

WHAT IT DOES

What get_block_range does on Tenzro Ledger MCP

AI agents call get_block_range to retrieve information from Tenzro Ledger MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_block_range is rated Low

Despite the empty description, the name 'get_block_range' strongly suggests a read-only query operation that retrieves a range of blockchain blocks. No evidence of data modification, execution, financial transactions, or destructive operations.

From the tool's definition Tool name 'get_block_range' indicates data retrieval of blockchain block information. The description is empty, but the name pattern and the ledger/blockchain context (Tenzro Ledger MCP) suggest this queries historical blockchain data with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_block_range safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Tenzro Ledger MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_block_range, this is the rule to start with:

get_block_range Allowed

get_block_range is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_block_range": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Tenzro Ledger MCP, apply this rule, and every get_block_range call is checked against it from then on.

FAQ

Questions about get_block_range

What does the get_block_range tool do? +

get_block_range is a read tool on the Tenzro Ledger MCP server. It is categorised as a Read tool in the Tenzro Ledger MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_block_range? +

Register the Tenzro Ledger MCP server in PolicyLayer and add a rule for get_block_range: 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 Tenzro Ledger MCP. Nothing to install.

What risk level is get_block_range? +

get_block_range is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_block_range? +

Yes. Add a rate_limit block to the get_block_range 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.

How do I block get_block_range completely? +

Set action: deny in the PolicyLayer policy for get_block_range. 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.

What MCP server provides get_block_range? +

get_block_range is provided by the Tenzro Ledger MCP server (https://canton-mcp.tenzro.network/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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