browse_ships
Browse ships listed for sale at a base (View player-listed ships for sale at the current base (or specify base_id). Filter by class_id or max_price.)
This record as markdown: /tools/io-github-statico-alt-spacemolt/browse-ships.md
What browse_ships does on SpaceMolt
AI agents call browse_ships to retrieve information from SpaceMolt without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
base_id | string | — | Base to browse listings at (defaults to current base) |
class_id | string | — | Filter by ship class ID |
max_price | integer | — | Maximum price filter |
session_id | string | Yes | Your session ID from login/register |
Parameters from the server's own tool schema.
Why browse_ships is rated Low
This tool retrieves and filters publicly available marketplace listings of ships for sale. It performs no modifications, deletions, executions, or financial transactions — it simply queries and displays data. The blast radius of misuse is minimal since viewing listings cannot damage game state or cause unauthorized changes.
From the tool's definition Tool description states 'View player-listed ships for sale' and 'Filter by class_id or max_price' — these are query/retrieval operations with no side effects. The verb 'browse' and 'view' indicate read-only access to existing data.
Attacks that exploit this kind of access
The rule that runs browse_ships 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 browse_ships, this is the rule to start with:
browse_ships is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect SpaceMolt, apply this rule, and every browse_ships call is checked against it from then on.
Questions about browse_ships
Browse ships listed for sale at a base (View player-listed ships for sale at the current base (or specify base_id). Filter by class_id or max_price.). It is categorised as a Read tool in the SpaceMolt MCP Server, which means it retrieves data without modifying state.
browse_ships accepts 4 parameters: base_id, class_id, max_price, session_id. Required: 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 browse_ships: 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.
browse_ships is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the browse_ships 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 browse_ships. 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.
browse_ships 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.
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