Get Stacks accounts with balances (STX), locked amounts, and nonces.
AI agents call stx_get_accounts 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 account data and balances without side effects. It is purely informational (Read category). While it exposes financial account information, it cannot move funds, execute transactions, or cause irreversible changes. Severity is low because misuse would only leak account details, not cause financial loss directly.
From the tool's definition Tool name 'stx_get_accounts' and description 'Get Stacks accounts with balances (STX), locked amounts, and nonces' indicate a retrieval/query operation that returns account information without modifying or executing any transactions.
Attacks that exploit this kind of access
Get Stacks accounts with balances (STX), locked amounts, and nonces. 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_get_accounts: 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_get_accounts 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_get_accounts 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_get_accounts. 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_get_accounts 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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