redeem_from_fund

THE RISK

Critical Risk

Why redeem_from_fund needs a policy

This tool performs a financial operation — redeeming from a fund, either fully or partially — which involves moving money or committing financial obligations. Fund redemption triggers settlement, making this a direct financial action with potentially high blast radius if misused by an AI agent.

From the tool's definition Redeem (resgatar) from a fund. Total or partial. Settlement follows the fund

Documented attack patterns abuse exactly the kind of access redeem_from_fund gives an agent:

POLICY

How to control redeem_from_fund

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for redeem_from_fund:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "redeem_from_fund": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

Any call to redeem_from_fund is blocked until a human approves it. The rest of the server keeps working.

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EXPLORE

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Go deeper

Critical-risk tools in Mcp Ap2 → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Human-in-the-loop → When a tool call should wait for a person — and when policy can decide alone.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
How to Add Spending Controls to Any MCP Agent →
Rate Limiting MCP Tool Calls: A Practical Guide →

FAQ

Questions about redeem_from_fund

What does the redeem_from_fund tool do? +

Redeem (resgatar) from a fund. Total or partial. Settlement follows the fund. It is categorised as a Financial tool in the Mcp Ap2 MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on redeem_from_fund? +

Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for redeem_from_fund: 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 Mcp Ap2. Nothing to install.

What risk level is redeem_from_fund? +

redeem_from_fund 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 redeem_from_fund? +

Yes. Add a rate_limit block to the redeem_from_fund 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 redeem_from_fund completely? +

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

redeem_from_fund is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Ap2 tool call.

Start from Mcp Ap2, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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