Returns the estimated network hash rate in GH/s
AI agents call get_hash_rate to retrieve information from MCP Blockchain Query Server 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 Bitcoin network information (hash rate) without creating, modifying, deleting, or executing any operations. It is a straightforward data retrieval operation analogous to the sibling tools like get_block, get_difficulty, and get_block_count on the same server. The blast radius of misuse is minimal—an AI agent cannot cause harm by repeatedly querying this metric.
From the tool's definition Tool name 'get_hash_rate' and description 'Returns the estimated network hash rate in GH/s' indicate a read-only query operation that retrieves blockchain network statistics with no side effects or data modification.
Attacks that exploit this kind of access
Returns the estimated network hash rate in GH/s. It is categorised as a Read tool in the MCP Blockchain Query Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Blockchain Query Server MCP server in PolicyLayer and add a rule for get_hash_rate: 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 MCP Blockchain Query Server. Nothing to install.
get_hash_rate 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_hash_rate 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_hash_rate. 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_hash_rate is provided by the MCP Blockchain Query Server MCP server (pavel-bc/mcp-blockchain-query). 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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