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PolyMarket

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from berlinbra

Access prediction market data from the PolyMarket API.

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#automation#finance

PolyMarket MCP Server

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A Model Context Protocol (MCP) server that provides access to prediction market data through the PolyMarket API. This server implements a standardized interface for retrieving market information, prices, and historical data from prediction markets.

<a href="https://glama.ai/mcp/servers/c255m147fd"> <img width="380" height="200" src="https://glama.ai/mcp/servers/c255m147fd/badge" alt="PolyMarket Server MCP server" /> </a>

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Features

  • Real-time prediction market data with current prices and probabilities
  • Detailed market information including categories, resolution dates, and descriptions
  • Historical price and volume data with customizable timeframes (1d, 7d, 30d, all)
  • Built-in error handling and rate limit management
  • Clean data formatting for easy consumption

Available Tools

The server implements four tools:

  • get-market-info: Get detailed information about a specific prediction market
  • list-markets: List available prediction markets with filtering options
  • get-market-prices: Get current prices and trading information
  • get-market-history: Get historical price and volume data

get-market-info

Input Schema:

Copy & paste — that's it
{
    "market_id": {
        "type": "string",
        "description": "Market ID or slug"
    }
}

Example Response:

Copy & paste — that's it
Title: Example Market
Category: Politics
Status: Open
Resolution Date: 2024-12-31
Volume: $1,234,567.89
Liquidity: $98,765.43
Description: This is an example prediction market...
---

list-markets

Input Schema:

Copy & paste — that's it
{
    "status": {
        "type": "string",
        "description": "Filter by market status",
        "enum": ["open", "closed", "resolved"]
    },
    "limit": {
        "type": "integer",
        "description": "Number of markets to return",
        "default": 10,
        "minimum": 1,
        "maximum": 100
    },
    "offset": {
        "type": "integer",
        "description": "Number of markets to skip (for pagination)",
        "default": 0,
        "minimum": 0
    }
}

Example Response:

Copy & paste — that's it
Available Markets:

ID: market-123
Title: US Presidential Election 2024
Status: Open
Volume: $1,234,567.89
---

ID: market-124
Title: Oscar Best Picture 2024
Status: Open
Volume: $234,567.89
---

get-market-prices

Input Schema:

Copy & paste — that's it
{
    "market_id": {
        "type": "string",
        "description": "Market ID or slug"
    }
}

Example Response:

Copy & paste — that's it
Current Market Prices for US Presidential Election 2024

Outcome: Democratic
Price: $0.6500
Probability: 65.0%
---

Outcome: Republican
Price: $0.3500
Probability: 35.0%
---

get-market-history

Input Schema:

Copy & paste — that's it
{
    "market_id": {
        "type": "string",
        "description": "Market ID or slug"
    },
    "timeframe": {
        "type": "string",
        "description": "Time period for historical data",
        "enum": ["1d", "7d", "30d", "all"],
        "default": "7d"
    }
}

Example Response:

Copy & paste — that's it
Historical Data for US Presidential Election 2024
Time Period: 7d

Time: 2024-01-20T12:00:00Z
Price: $0.6500
Volume: $123,456.78
---

Time: 2024-01-19T12:00:00Z
Price: $0.6300
Volume: $98,765.43
---

Error Handling

The server includes comprehensive error handling for various scenarios:

  • Rate limiting (429 errors)
  • Invalid API keys (403 errors)
  • Invalid market IDs (404 errors)
  • Network connectivity issues
  • API timeout conditions (30-second timeout)
  • Malformed responses

Error messages are returned in a clear, human-readable format.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request. For major changes, please open an issue first to discuss what you would like to change.