# polymarket-parlay-calculator

> polymarket-parlay-calculator — cinqdollarbill-polymarket-parlay-calculator. Use this tool when you need to calculate fair prices and fees for Polymarket parlay trades, or evaluate the value of potential combo bets. It takes in trade details as input and outputs fair price, taker fee, margin over fair, and a deal score. Ideal for users looking to make informed decisions on Polymarket combo trades without needing a wallet connection.

Canonical page: https://skillsregistry.net/skills/cinqdollarbill-polymarket-parlay-calculator  
JSON: https://api.skillsregistry.net/v1/skills/cinqdollarbill-polymarket-parlay-calculator

## Description

ComboCheck: free Polymarket parlay (Combo) calculator. Fair price, taker fee, margin over fair and a deal score against real combo trades. No wallet needed.

## Trust

- **Trust score (0–1):** 0.94
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/CinqDollarBill/polymarket-parlay-calculator)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "cinqdollarbill-polymarket-parlay-calculator"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/cinqdollarbill-polymarket-parlay-calculator` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/cinqdollarbill-polymarket-parlay-calculator/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt