Critical Risk

pillar_direct_withdraw_collateral

Withdraw sBTC collateral from Zest on the Pillar smart wallet. Agent-signed, no browser needed. Backend sponsors gas.

Part of the Aibtc MCP server. Enforce policies on this tool with Intercept, the open-source MCP proxy.

@aibtc/mcp-server Financial Risk 5/5

AI agents use pillar_direct_withdraw_collateral 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.

pillar_direct_withdraw_collateral 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.

io-github-aibtcdev-mcp-server.yaml
tools:
  pillar_direct_withdraw_collateral:
    rules:
      - action: deny
        reason: "Requires human approval"

See the full Aibtc policy for all 288 tools.

Tool Name pillar_direct_withdraw_collateral
Category Financial
MCP Server Aibtc MCP Server
Risk Level Critical

View all 288 tools →

What does the pillar_direct_withdraw_collateral tool do? +

Withdraw sBTC collateral from Zest on the Pillar smart wallet. Agent-signed, no browser needed. Backend sponsors gas.. 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.

How do I enforce a policy on pillar_direct_withdraw_collateral? +

Add a rule in your Intercept YAML policy under the tools section for pillar_direct_withdraw_collateral. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the Aibtc MCP server.

What risk level is pillar_direct_withdraw_collateral? +

pillar_direct_withdraw_collateral 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 pillar_direct_withdraw_collateral? +

Yes. Add a rate_limit block to the pillar_direct_withdraw_collateral 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.

How do I block pillar_direct_withdraw_collateral completely? +

Set action: deny in the Intercept policy for pillar_direct_withdraw_collateral. 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 pillar_direct_withdraw_collateral? +

pillar_direct_withdraw_collateral 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.

Enforce policies on Aibtc

Open source. One binary. Zero dependencies.

npx -y @policylayer/intercept
github.com/policylayer/intercept →
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