set_auto_reload
Turn automatic credit reloads on or off (admin only): when the balance drops below a threshold, the card on file is charged for a top-up pack — SERVER-SIDE, even with no app open. Requires a saved card, added once in the app at first checkout/top-up; if there
This record as markdown: /tools/hermoso/set-auto-reload.md
What set_auto_reload does on Hermoso
AI agents use set_auto_reload to commit financial operations through Hermoso, usually the final step of a payment, billing, or trading workflow. A call moves real money.
Why set_auto_reload is rated Critical
This tool configures automatic credit purchases by charging a saved payment card whenever balance drops below a threshold. It directly triggers financial transactions (card charges) autonomously server-side, making it a Financial category tool. Misuse could result in repeated unauthorized charges with no user present, hence critical severity.
From the tool's definition the card on file is charged for a top-up pack — SERVER-SIDE, even with no app open
Risk signalsAdmin/system-level operation
Attacks that exploit this kind of access
The rule that runs set_auto_reload safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Hermoso, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For set_auto_reload, this is the rule to start with:
Any call to set_auto_reload is blocked until a human approves it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Hermoso, apply this rule, and every set_auto_reload call is checked against it from then on.
Questions about set_auto_reload
Turn automatic credit reloads on or off (admin only): when the balance drops below a threshold, the card on file is charged for a top-up pack — SERVER-SIDE, even with no app open. Requires a saved card, added once in the app at first checkout/top-up; if there. It is categorised as a Financial tool in the Hermoso MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Hermoso MCP server in PolicyLayer and add a rule for set_auto_reload: 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 Hermoso. Nothing to install.
set_auto_reload 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 set_auto_reload 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 set_auto_reload. 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.
set_auto_reload is provided by the Hermoso MCP server (https://app.hermoso.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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