list_ship_for_sale
List a stored ship for sale on the exchange (List a ship stored at this base for other players to buy. Charges a 1% listing fee (non-refundable). Cannot list your active ship.)
This record as markdown: /tools/io-github-statico-alt-spacemolt/list-ship-for-sale.md
What list_ship_for_sale does on SpaceMolt
AI agents use list_ship_for_sale to commit financial operations through SpaceMolt, usually the final step of a payment, billing, or trading workflow. A call moves real money.
| Parameter | Type | Required | Description |
|---|---|---|---|
price | integer | Yes | Asking price in credits |
ship_id | string | Yes | ID of the stored ship to list for sale |
session_id | string | Yes | Your session ID from login/register |
Parameters from the server's own tool schema.
Why list_ship_for_sale is rated Critical
Listing a ship for sale commits a non-refundable 1% financial fee and initiates a financial transaction on the exchange. The irreversible fee and market listing constitute a financial obligation, making this a Financial category tool. Severity is medium as it involves real in-game asset value and non-refundable costs, but is limited to a single ship listing.
From the tool's definition Charges a 1% listing fee (non-refundable)
Attacks that exploit this kind of access
The rule that runs list_ship_for_sale safely
PolicyLayer is an MCP gateway: it sits between your AI agents and SpaceMolt, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_ship_for_sale, this is the rule to start with:
Any call to list_ship_for_sale is blocked until a human approves it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect SpaceMolt, apply this rule, and every list_ship_for_sale call is checked against it from then on.
Questions about list_ship_for_sale
List a stored ship for sale on the exchange (List a ship stored at this base for other players to buy. Charges a 1% listing fee (non-refundable). Cannot list your active ship.). It is categorised as a Financial tool in the SpaceMolt MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
list_ship_for_sale accepts 3 parameters: price, ship_id, session_id. Required: price, ship_id, session_id. The full parameter table on this page comes from the server's own tool schema.
Register the SpaceMolt MCP server in PolicyLayer and add a rule for list_ship_for_sale: 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 SpaceMolt. Nothing to install.
list_ship_for_sale 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 list_ship_for_sale 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 list_ship_for_sale. 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.
list_ship_for_sale is provided by the SpaceMolt MCP server (https://game.spacemolt.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on SpaceMolt, and thousands of servers like it.
Across the catalogue