io.github.mineloop99/fillgate

io.github.mineloop99/fillgate

Fee-carrying trading tools for AI agents: Jupiter Ultra, Polymarket CLOB v2, Hyperliquid perps.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "fillgate": {
      "command": "npx",
      "args": [
        "-y",
        "@fillgate/mcp@0.3.1"
      ],
      "env": {
        "DRY_RUN": "true",
        "MAX_NOTIONAL_USD": "250",
        "MAX_SLIPPAGE_BPS": "100",
        "RATE_LIMIT_PER_MIN": "20",
        "OPERATOR_SOLANA_SECRET_KEY": "<your OPERATOR_SOLANA_SECRET_KEY>",
        "OPERATOR_EVM_PRIVATE_KEY": "<your OPERATOR_EVM_PRIVATE_KEY>",
        "HL_TESTNET": "true"
      }
    }
  }
}
Environment variables
  • DRY_RUNtrue = never broadcast; every execute returns a preview
  • MAX_NOTIONAL_USDHard cap per prepared order, in USD
  • MAX_SLIPPAGE_BPSReject quotes above this slippage
  • RATE_LIMIT_PER_MINMax prepare/execute calls per user per minute
  • OPERATOR_SOLANA_SECRET_KEYsecretOperator Solana wallet, base58 or JSON array secret key; MCP-operator only, never a user's key
  • OPERATOR_EVM_PRIVATE_KEYsecretOperator EVM wallet for Polymarket + Hyperliquid; MCP-operator only, never a user's key
  • HL_TESTNETtrue = Hyperliquid testnet (default until mainnet builder collateral is funded)

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.3.1
Registry
active
Published
9/4/2026

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