stx_get_nonce

Get the current nonce for a Stacks address.

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-get-nonce.md

WHAT IT DOES

What stx_get_nonce does on Bitcoin wallet MCP server

AI agents call stx_get_nonce 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_get_nonce is rated Low

This tool retrieves blockchain state information (nonce counter) without modifying any data or triggering transactions. Nonces are public, non-sensitive metadata used for transaction sequencing. While the server context involves financial operations (Bitcoin/Stacks wallet), this specific tool performs only data retrieval.

From the tool's definition Tool name 'stx_get_nonce' with description 'Get the current nonce for a Stacks address' indicates a retrieval operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs stx_get_nonce 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_get_nonce, this is the rule to start with:

stx_get_nonce Allowed

stx_get_nonce 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_get_nonce": {}
  }
}

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_get_nonce call is checked against it from then on.

FAQ

Questions about stx_get_nonce

What does the stx_get_nonce tool do? +

Get the current nonce for a Stacks address. 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_get_nonce? +

Register the Bitcoin wallet MCP server MCP server in PolicyLayer and add a rule for stx_get_nonce: 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_get_nonce? +

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

Can I rate-limit stx_get_nonce? +

Yes. Add a rate_limit block to the stx_get_nonce 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_get_nonce completely? +

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

stx_get_nonce 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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