rpc_recent_blocks_info_count

Returns a list of the most recently mined blocks, limited by count. It provides a snapshot of the latest blockchain activity, starting from the current chain tip and going backward.

ServerMaestro MCP Server
CategoryRead

How to control rpc_recent_blocks_info_count ↓

WHAT IT DOES

What rpc_recent_blocks_info_count does on Maestro MCP Server

AI agents call rpc_recent_blocks_info_count to retrieve information from Maestro MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why rpc_recent_blocks_info_count needs a policy

This tool retrieves historical blockchain data without side effects. It queries block information starting from the chain tip and moving backward—a pure read operation with no ability to modify, execute transactions, delete data, or move funds. The 'count' parameter limits results but does not change the read-only nature. No destructive, financial, or execution capabilities are present.

From the tool's definition Tool 'rpc_recent_blocks_info_count' provides query-only functionality: 'Returns a list of the most recently mined blocks' with no modification, deletion, or execution capabilities indicated.

Documented attack patterns abuse exactly the kind of access rpc_recent_blocks_info_count gives an agent:

POLICY

How to control rpc_recent_blocks_info_count

PolicyLayer is an MCP gateway — it sits between your AI agents and Maestro MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for rpc_recent_blocks_info_count:

policy.json

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

rpc_recent_blocks_info_count is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Maestro MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

Related tools and policies

More Maestro MCP Server tools

Destructive EventManagerService_DeleteTrigger Remove a trigger Deletes a specific trigger identified by its unique \ Execute esplora_broadcast_transaction Broadcast a raw transaction to the network. The transaction should be provided as hex in t Execute rpc_submit_transaction Pushes a signed raw transaction to the network. Write EventManagerService_CreateTrigger Create a new trigger Adds a trigger to a manager to listen for specific blockchain activ Write EventManagerService_UpdateTrigger Update a trigger Allows modification of a trigger Read rpc_block_range_info Fetches basic info for a contiguous block range (start and end height). Read brc20_transfer_inscriptions_by_address Returns all unspent BRC20 transfer inscriptions residing at the address. This endpoint is Read activity_by_inscription Lists all transactions that have involved the given inscription, starting from its origin

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about rpc_recent_blocks_info_count

What does the rpc_recent_blocks_info_count tool do? +

Returns a list of the most recently mined blocks, limited by count. It provides a snapshot of the latest blockchain activity, starting from the current chain tip and going backward. It is categorised as a Read tool in the Maestro MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on rpc_recent_blocks_info_count? +

Register the Maestro MCP Server MCP server in PolicyLayer and add a rule for rpc_recent_blocks_info_count: 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 Maestro MCP Server. Nothing to install.

What risk level is rpc_recent_blocks_info_count? +

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

Can I rate-limit rpc_recent_blocks_info_count? +

Yes. Add a rate_limit block to the rpc_recent_blocks_info_count 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 rpc_recent_blocks_info_count completely? +

Set action: deny in the PolicyLayer policy for rpc_recent_blocks_info_count. 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 rpc_recent_blocks_info_count? +

rpc_recent_blocks_info_count is provided by the Maestro MCP Server MCP server (maestro-org/maestro-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Maestro MCP Server tool call.

Start from Maestro MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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117 Maestro MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.