Get holder addresses and balances for a fungible token.
AI agents call stx_get_token_holders 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 publicly visible blockchain data about token holders and their balances. It performs a query operation with no side effects—no funds are moved, no state is changed, and no operations are triggered. While the server as a whole provides financial operations (stx_transfer, btc_send would be Financial/Execute), this specific tool is purely informational.
From the tool's definition Tool name 'stx_get_token_holders' and description 'Get holder addresses and balances for a fungible token' indicate data retrieval without modification.
Attacks that exploit this kind of access
Get holder addresses and balances for a fungible token. 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_token_holders: 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_token_holders 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_token_holders 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_token_holders. 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_token_holders 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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