stx_revoke_delegation · Bitcoin wallet MCP server MCP

WHAT IT DOES

What stx_revoke_delegation does on Bitcoin wallet MCP server

AI agents use stx_revoke_delegation to commit financial operations through Bitcoin wallet MCP server — usually the final step of a payment, billing, or trading workflow. A call moves real money.

WHY IT NEEDS A POLICY

Why stx_revoke_delegation needs a policy

This tool modifies a financial/staking arrangement on the Stacks blockchain by revoking a stacking delegation through the PoX (Proof of Transfer) contract. Revoking a delegation affects committed financial positions (stacked STX tokens), constituting a financial operation. It is also potentially irreversible in the current stacking cycle, making misuse high severity.

From the tool's definition Revoke stacking delegation via the PoX contract

Attacks that exploit this kind of access

Questions about stx_revoke_delegation

What does the stx_revoke_delegation tool do? +

Revoke stacking delegation via the PoX contract. It is categorised as a Financial tool in the Bitcoin wallet MCP server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on stx_revoke_delegation? +

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

stx_revoke_delegation is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit stx_revoke_delegation? +

Yes. Add a rate_limit block to the stx_revoke_delegation 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_revoke_delegation completely? +

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

stx_revoke_delegation 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.