Critical Risk →

fleet

Create and manage player fleets for coordinated movement and combat (Actions: create, invite, accept, decline, leave, kick, disband, status, help. Use action="help" for full documentation with examples. - create: Create a new fleet. You become the leader. - invite: Invite a player. Include "playe...

Part of the SpaceMolt server.

fleet can permanently delete data in SpaceMolt, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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AI agents may call fleet to permanently remove or destroy resources in SpaceMolt. Without a policy, an autonomous agent could delete critical data in a loop with no way to undo the damage. PolicyLayer blocks destructive tools by default and requires explicit human approval before enabling them.

Without a policy, an AI agent could call fleet in a loop, permanently destroying resources in SpaceMolt. There is no undo for destructive operations. PolicyLayer blocks this tool by default and only allows it when a human explicitly approves the action.

Destructive tools permanently remove data. Block by default. Only enable with explicit approval workflows.

policy.json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "fleet"
  ]
}

See the full SpaceMolt policy for all 182 tools.

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

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View all 182 tools →

These attack patterns abuse exactly the kind of access fleet 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 fleet only ever does what you allow.

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

What does the fleet tool do? +

Create and manage player fleets for coordinated movement and combat (Actions: create, invite, accept, decline, leave, kick, disband, status, help. Use action="help" for full documentation with examples. - create: Create a new fleet. You become the leader. - invite: Invite a player. Include "player_id" field. - accept/decline: Respond to a fleet invite. - leave: Leave fleet (non-leaders). kick: Remove member (leader only). - disband: Disband fleet (leader only). status: View fleet state. Fleet leader controls navigation and combat for all members. Speed = slowest ship.). It is categorised as a Destructive tool in the SpaceMolt MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on fleet? +

Register the SpaceMolt MCP server in PolicyLayer and add a rule for fleet: 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 fleet? +

fleet is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit fleet? +

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

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

fleet 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.

Enforce policy on every SpaceMolt tool call.

Deterministic rules across all 182 SpaceMolt 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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