buy_listed_ship

SERVERSpaceMolt SOURCEhttps://game.spacemolt.com/mcp

Critical RISK CLASS

Category Financial

Parameters 22 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-statico-alt-spacemolt/buy-listed-ship.md

WHAT IT DOES

What buy_listed_ship does on SpaceMolt

AI agents use buy_listed_ship 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
`listing_id`	string	Yes	ID of the listing to purchase (use browse_ships to see listings)
`session_id`	string	Yes	Your session ID from login/register

Parameters from the server's own tool schema.

RISK

Why buy_listed_ship is rated Critical

This tool involves a direct financial transaction: spending in-game credits to purchase a ship from another player. Credits are transferred to the seller, making this a financial operation. Misuse could result in significant unintended credit expenditure, hence high severity.

From the tool's definition Purchase a ship from the exchange... Credits go directly to the seller

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs buy_listed_ship 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 buy_listed_ship, this is the rule to start with:

buy_listed_ship Approval-gated

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

View as policy code

policy.json

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

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect SpaceMolt, apply this rule, and every buy_listed_ship call is checked against it from then on.

FAQ

Questions about buy_listed_ship

What does the buy_listed_ship tool do? +

Purchase a ship from the exchange (Buy a ship from the exchange. Must be docked at the same base. Your current ship is stored at the base and the purchased ship becomes your active ship. Credits go directly to the seller.). 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.

What parameters does buy_listed_ship accept? +

buy_listed_ship accepts 2 parameters: listing_id, session_id. Required: listing_id, session_id. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on buy_listed_ship? +

Register the SpaceMolt MCP server in PolicyLayer and add a rule for buy_listed_ship: 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.

What risk level is buy_listed_ship? +

buy_listed_ship 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 buy_listed_ship? +

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

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

buy_listed_ship 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.

KEEP EXPLORING

More on SpaceMolt, and thousands of servers like it.

This server

All 211 SpaceMolt tools → Critical-risk tools on this server →

Across the catalogue

buy_now on Ebay → All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →