Critical Risk →

update_deposit

Update an existing deposit using PATCH semantics. Only the provided fields will be changed.

Part of the Frihet ERP server.

update_deposit can move real money through Frihet ERP, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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AI agents use update_deposit to initiate financial transactions through Frihet ERP. Financial operations involve real money and are irreversible once processed. PolicyLayer blocks financial tools by default, requiring explicit human approval with transaction-level limits to prevent unauthorised spending.

update_deposit moves real money. Without a policy, an autonomous agent could initiate transactions that drain accounts or exceed budgets. PolicyLayer 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.

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

See the full Frihet ERP policy for all 72 tools.

Get this rule live on your own Frihet ERP server in minutes. PolicyLayer enforces it on every call, before it runs.

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These attack patterns abuse exactly the kind of access update_deposit gives an agent. Each links to the full case and the policy that stops it:

Browse the full MCP Attack Database →

Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so update_deposit only ever does what you allow.

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Other financial tools across the catalogue. The same approach applies to each: deny by default, or require human approval.

What does the update_deposit tool do? +

Update an existing deposit using PATCH semantics. Only the provided fields will be changed.. It is categorised as a Financial tool in the Frihet ERP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on update_deposit? +

Register the Frihet ERP MCP server in PolicyLayer and add a rule for update_deposit: 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 Frihet ERP. Nothing to install.

What risk level is update_deposit? +

update_deposit 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 update_deposit? +

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

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

update_deposit is provided by the Frihet ERP MCP server (Frihet-io/frihet-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Frihet ERP tool call.

Deterministic rules across all 72 Frihet ERP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

4,600+ MCP servers and 31,000+ tools scanned and risk-classified.

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