Search Prediction Markets (Polymarket & Kalshi)

omnial/search-prediction-market

Given a search keyword and optional filters (platform, category, status, sort order, smart money direction), returns matching prediction markets from Polymarket and Kalshi with their current price, trading volume, open interest, and days to resolution.

activeper callv2

Price

Up to $0.0328 per call; you pay what the call used

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $5.00.

Data source

Polymarket and Kalshi

Data from Polymarket and Kalshi.

Use it

Your AI assistant does the work: it finds this tool, shows you the price first, runs it, and you are charged when the run finishes. There is nothing to set up for this tool in particular.

Connect once and your AI can find and run this tool, and any other it needs.

Install it Create an account

For developers: the calls your assistant makes

agent

// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "omnial/search-prediction-market" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "omnial/search-prediction-market" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "omnial/search-prediction-market", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "omnial/search-prediction-market", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

Not connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.

Pricing

Every charge this tool can incur.

Charge	Price
Per call	$0.0328

Updated: Oct 27, 2026

Input and output schemas

Input schema

input_schema.json

{
  "type": "object",
  "anyOf": [
    {
      "required": [
        "q"
      ]
    },
    {
      "required": [
        "condition_id"
      ]
    },
    {
      "required": [
        "market_ticker"
      ]
    },
    {
      "required": [
        "platform"
      ]
    },
    {
      "required": [
        "category"
      ]
    },
    {
      "required": [
        "status"
      ]
    }
  ],
  "properties": {
    "q": {
      "type": "string",
      "maxLength": 100,
      "minLength": 2,
      "description": "Search markets by keyword in question text or ticker. Results include slug and event fields when available, but machine slugs are not searched."
    },
    "limit": {
      "type": "integer",
      "default": 20,
      "maximum": 100,
      "minimum": 1,
      "description": "Results per page. Defaults to 20."
    },
    "order": {
      "enum": [
        "asc",
        "desc"
      ],
      "type": "string",
      "default": "desc",
      "description": "Sort direction. Defaults to \"desc\"."
    },
    "offset": {
      "type": "integer",
      "default": 0,
      "maximum": 9007199254740991,
      "minimum": 0,
      "description": "Pagination offset. Defaults to 0."
    },
    "status": {
      "enum": [
        "active",
        "closed",
        "finalized"
      ],
      "type": "string",
      "default": "active",
      "description": "Market status filter. Defaults to \"active\"."
    },
    "sort_by": {
      "enum": [
        "volume_1d",
        "volume_7d",
        "volume_30d",
        "open_interest",
        "trade_count_7d",
        "days_to_resolution"
      ],
      "type": "string",
      "default": "volume_7d",
      "description": "Sort field. Defaults to \"volume_7d\"."
    },
    "category": {
      "enum": [
        "crypto",
        "culture",
        "economics",
        "financials",
        "politics",
        "stem",
        "sports"
      ],
      "type": "string",
      "description": "Filter by curated category."
    },
    "platform": {
      "enum": [
        "polymarket",
        "kalshi"
      ],
      "type": "string",
      "description": "Filter by platform (omit for both)."
    },
    "smart_money": {
      "enum": [
        "bullish",
        "bearish"
      ],
      "type": "string",
      "description": "Filter by smart money direction (Polymarket only)."
    },
    "condition_id": {
      "type": "string",
      "minLength": 1,
      "description": "Polymarket condition ID for single-market lookup."
    },
    "market_ticker": {
      "type": "string",
      "minLength": 1,
      "description": "Kalshi market ticker for single-market lookup."
    }
  },
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "properties": {
    "data": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "status": {
            "type": "string",
            "description": "e.g. 'active', echoing the status filter."
          },
          "category": {
            "type": "string"
          },
          "platform": {
            "type": "string",
            "description": "'polymarket' or 'kalshi'."
          },
          "question": {
            "type": "string"
          },
          "token_id": {
            "type": "string",
            "description": "Polymarket's CLOB token ID for the outcome. Only observed on Polymarket entries."
          },
          "volume_1d": {
            "type": "number"
          },
          "volume_7d": {
            "type": "number"
          },
          "event_slug": {
            "type": "string",
            "description": "Polymarket's event slug. Only observed on Polymarket entries."
          },
          "volume_30d": {
            "type": "number"
          },
          "event_title": {
            "type": "string"
          },
          "market_slug": {
            "type": "string",
            "description": "Polymarket's market slug. Only observed on Polymarket entries."
          },
          "subcategory": {
            "type": "string"
          },
          "condition_id": {
            "type": "string",
            "description": "Polymarket's on-chain condition ID. Only observed on Polymarket entries."
          },
          "event_ticker": {
            "type": "string",
            "description": "Kalshi's event ticker. Only observed on Kalshi entries."
          },
          "latest_price": {
            "type": "number",
            "description": "The outcome's current price, observed in the 0-1 range (implied probability)."
          },
          "market_ticker": {
            "type": "string",
            "description": "Kalshi's market ticker. Only observed on Kalshi entries."
          },
          "outcome_label": {
            "type": "string",
            "description": "e.g. 'Yes'. Only observed on Polymarket entries."
          },
          "trade_count_7d": {
            "type": "number"
          },
          "event_group_slug": {
            "type": "string",
            "description": "Polymarket's event group slug. Only observed on Polymarket entries."
          },
          "open_interest_usd": {
            "type": "number"
          },
          "days_to_resolution": {
            "type": "number"
          },
          "smart_money_direction": {
            "type": "string",
            "description": "Only observed present (as 'BULLISH') on some Polymarket entries -- never seen on Kalshi entries, and a 'BEARISH' value has never been observed though the input filter documents it as a valid direction."
          }
        },
        "additionalProperties": true
      },
      "description": "One entry per matching market, up to `limit` per page. Fields present differ by platform: Polymarket entries carry condition_id/token_id/market_slug/event_slug/event_group_slug/smart_money_direction; Kalshi entries carry market_ticker/event_ticker instead, and never observed smart_money_direction."
    },
    "meta": {
      "type": "object",
      "properties": {
        "limit": {
          "type": "number"
        },
        "cached": {
          "type": "boolean"
        },
        "offset": {
          "type": "number"
        }
      },
      "additionalProperties": true
    }
  },
  "description": "A page of prediction markets matching the search/filter parameters. `data` is an empty array on a query with no matches -- no top-level field is required.",
  "additionalProperties": true
}