stx_mempool_list_pending

List pending mempool transactions.

SERVERBitcoin wallet MCP server SOURCEmarkmhendrickson/mcp-server-bitcoin

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/markmhendrickson-mcp-server-bitcoin/stx-mempool-list-pending.md

WHAT IT DOES

What stx_mempool_list_pending does on Bitcoin wallet MCP server

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

RISK

Why stx_mempool_list_pending is rated Low

This tool retrieves information about pending mempool transactions. It performs a read-only query of blockchain state with no side effects—it does not send funds, modify data, execute code, or delete anything. The action is purely informational, making it a Read category tool. Given the blockchain context, the severity is low since listing mempool data poses minimal risk even if misused by an agent.

From the tool's definition Tool name 'stx_mempool_list_pending' with description 'List pending mempool transactions' indicates a query operation that retrieves and displays transaction data without modifying, deleting, or executing any actions.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs stx_mempool_list_pending safely

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

stx_mempool_list_pending Allowed

stx_mempool_list_pending 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": {
    "stx_mempool_list_pending": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Bitcoin wallet MCP server, apply this rule, and every stx_mempool_list_pending call is checked against it from then on.

FAQ

Questions about stx_mempool_list_pending

What does the stx_mempool_list_pending tool do? +

List pending mempool transactions. It is categorised as a Read tool in the Bitcoin wallet MCP server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on stx_mempool_list_pending? +

Register the Bitcoin wallet MCP server MCP server in PolicyLayer and add a rule for stx_mempool_list_pending: 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.

What risk level is stx_mempool_list_pending? +

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

Can I rate-limit stx_mempool_list_pending? +

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

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

stx_mempool_list_pending 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.

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