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Pricemyfill

dev.workers.pricemyfill.api/pricemyfill · v0.1.0

Execution math for prediction markets: fees, rewards, fill/slippage and a go/no-go verdict.

Connect Remote server

Terminal
claude mcp add --transport http pricemyfill https://api.pricemyfill.workers.dev/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "pricemyfill": {
      "url": "https://api.pricemyfill.workers.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "pricemyfill": {
      "type": "http",
      "url": "https://api.pricemyfill.workers.dev/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://api.pricemyfill.workers.dev/mcp

Tools 4 found in our last check

  • pm_market_brief

    The full report: exact fill and slippage for your size, total cost including fees and builder fee, the breakeven probability you need to believe, reward eligibility and payout estimate, net edge against your own probability estimate, and a verdict (operate / operate_partial / do…

  • pm_platform_fee

    Exact taker fee for a Polymarket trade: shares x feeRate x p(1-p). Makers pay nothing on the global exchange. Also returns maker rebate, optional builder fee and the fee as a percentage of notional.

  • pm_reward_eligibility

    Whether a resting order qualifies for a market's daily liquidity rewards (minimum size, maximum distance to midpoint), exactly what is missing if it does not, and an estimate of the daily payout.

  • pm_order_book_fill

    Walks the order book level by level: VWAP, slippage in basis points against mid, what fills and what does not. Book arithmetic, not a fill-probability model.

Details

Endpointhttps://api.pricemyfill.workers.dev/mcp (Streamable HTTP)
First published12 Nov 2026
Last updated12 Nov 2026
Registry namedev.workers.pricemyfill.api/pricemyfill

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