Send inscriptions to recipients. Transfers the full UTXO
AI agents use ord_send_inscriptions 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.
This tool moves Bitcoin-based assets (Ordinal inscriptions tied to UTXOs) to recipients, constituting a financial transfer on the Bitcoin blockchain. Such transactions are irreversible once confirmed, making misuse critical in severity. The explicit mention of 'Transfers the full UTXO' indicates full asset transfer with no partial options, amplifying risk.
From the tool's definition 'Send inscriptions to recipients. Transfers the full UTXO' — initiates a Bitcoin transaction transferring digital assets (inscriptions/UTXOs) to external recipients
Attacks that exploit this kind of access
Send inscriptions to recipients. Transfers the full UTXO. 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.
Register the Bitcoin wallet MCP server MCP server in PolicyLayer and add a rule for ord_send_inscriptions: 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.
ord_send_inscriptions is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the ord_send_inscriptions 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 ord_send_inscriptions. 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.
ord_send_inscriptions 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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