Get Stacks mempool statistics including transaction counts by type,
AI agents call stx_mempool_get_stats to retrieve information from Bitcoin wallet MCP server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and reports statistics about pending transactions in the Stacks mempool. It performs no write, execute, or financial operations—it only reads and returns observational data about network state. Even in a wallet context where financial operations are possible, this specific tool has no capability to move funds, execute code, or modify any blockchain state.
From the tool's definition Tool name 'stx_mempool_get_stats' and description 'Get Stacks mempool statistics including transaction counts by type' indicate a query-only operation that retrieves mempool data without modifying state or initiating transactions.
Attacks that exploit this kind of access
Get Stacks mempool statistics including transaction counts by type,. It is categorised as a Read tool in the Bitcoin wallet MCP server MCP Server, which means it retrieves data without modifying state.
Register the Bitcoin wallet MCP server MCP server in PolicyLayer and add a rule for stx_mempool_get_stats: 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 Bitcoin wallet MCP server. Nothing to install.
stx_mempool_get_stats 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 stx_mempool_get_stats 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 stx_mempool_get_stats. 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.
stx_mempool_get_stats is provided by the Bitcoin wallet MCP server MCP server (markmhendrickson/mcp-server-bitcoin). 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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