sellInFailMarket · Futarchy MCP Server MCP: Risk & Policy

WHAT IT DOES

What sellInFailMarket does on Futarchy MCP Server

AI agents use sellInFailMarket to commit financial operations through Futarchy MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.

WHY IT NEEDS A POLICY

Why sellInFailMarket needs a policy

This tool executes a financial transaction by selling tokens in a fail market, which constitutes moving or committing financial assets on a blockchain. Misuse could result in unintended token sales, financial losses, or market manipulation in the Futarchy protocol's prediction markets.

From the tool's definition "Sell tokens in the fail market for a proposal" — involves selling tokens (financial transaction) in a prediction/futarchy market on Solana blockchain

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

sellInFailMarket Approval-gated

Any call to sellInFailMarket 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": {
    "sellInFailMarket": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Futarchy MCP Server, so you can run agents against it safely.

FAQ

Questions about sellInFailMarket

What does the sellInFailMarket tool do? +

Sell tokens in the fail market for a proposal. It is categorised as a Financial tool in the Futarchy MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on sellInFailMarket? +

Register the Futarchy MCP Server MCP server in PolicyLayer and add a rule for sellInFailMarket: 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 Futarchy MCP Server. Nothing to install.

What risk level is sellInFailMarket? +

sellInFailMarket 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 sellInFailMarket? +

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

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

sellInFailMarket is provided by the Futarchy MCP Server MCP server (tanmay4l/futarchymcpserver). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.