Transfer BTC to a recipient address. Builds, signs, and broadcasts a Bitcoin transaction. Requires an unlocked wallet with BTC balance. By default, only uses cardinal UTXOs (safe to spend - no inscriptions). Set includeOrdinals=true to allow spending ordinal UTXOs (advanced users only).
Part of the Aibtc MCP server. Enforce policies on this tool with Intercept, the open-source MCP proxy.
AI agents use transfer_btc to initiate financial transactions through Aibtc. Financial operations involve real money and are irreversible once processed. Intercept blocks financial tools by default, requiring explicit human approval with transaction-level limits to prevent unauthorised spending.
transfer_btc moves real money. Without a policy, an autonomous agent could initiate transactions that drain accounts or exceed budgets. Intercept blocks financial tools by default, requiring human-in-the-loop approval with configurable spending limits per transaction and per time window.
Financial tools involve real money. Block by default and require explicit human approval before enabling.
tools:
transfer_btc:
rules:
- action: deny
reason: "Requires human approval"See the full Aibtc policy for all 288 tools.
Transfer BTC to a recipient address. Builds, signs, and broadcasts a Bitcoin transaction. Requires an unlocked wallet with BTC balance. By default, only uses cardinal UTXOs (safe to spend - no inscriptions). Set includeOrdinals=true to allow spending ordinal UTXOs (advanced users only).. It is categorised as a Financial tool in the Aibtc MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Add a rule in your Intercept YAML policy under the tools section for transfer_btc. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the Aibtc MCP server.
transfer_btc 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 transfer_btc rule in your Intercept 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 Intercept policy for transfer_btc. 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.
transfer_btc is provided by the Aibtc MCP server (@aibtc/mcp-server). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Open source. One binary. Zero dependencies.
npx -y @policylayer/intercept