create_market

create_market

Initiate a new prediction market on the Manifold Markets MCP Server. Define market type, question, outcomes, and parameters like close time or initial probability. Ideal for forecasting events or crowdsourcing insights.

Instructions

Create a new prediction market

Input Schema

Name	Required	Description
`addAnswersMode`	No	Optional for MULTIPLE_CHOICE markets. Controls who can add answers
`answers`	No	Required for MULTIPLE_CHOICE/POLL markets. Array of possible answers
`closeTime`	No	Optional. ISO timestamp when market will close. Defaults to 7 days.
`description`	No	Optional description for the market
`initialProb`	No	Required for BINARY markets. Initial probability (1-99)
`initialValue`	No	Required for PSEUDO_NUMERIC markets. Initial value between min and max
`isLogScale`	No	Optional for PSEUDO_NUMERIC markets. If true, increases exponentially
`max`	No	Required for PSEUDO_NUMERIC markets. Maximum resolvable value
`min`	No	Required for PSEUDO_NUMERIC markets. Minimum resolvable value
`outcomeType`	Yes	Type of market to create
`question`	Yes	The headline question for the market
`shouldAnswersSumToOne`	No	Optional for MULTIPLE_CHOICE markets. Makes probabilities sum to 100%
`totalBounty`	No	Required for BOUNTIED_QUESTION markets. Amount of mana for bounty
`visibility`	No	Optional. Market visibility. Defaults to public.

Input Schema (JSON Schema)

{
  "properties": {
    "addAnswersMode": {
      "description": "Optional for MULTIPLE_CHOICE markets. Controls who can add answers",
      "enum": [
        "DISABLED",
        "ONLY_CREATOR",
        "ANYONE"
      ],
      "type": "string"
    },
    "answers": {
      "description": "Required for MULTIPLE_CHOICE/POLL markets. Array of possible answers",
      "items": {
        "type": "string"
      },
      "type": "array"
    },
    "closeTime": {
      "description": "Optional. ISO timestamp when market will close. Defaults to 7 days.",
      "type": "string"
    },
    "description": {
      "description": "Optional description for the market",
      "type": "string"
    },
    "initialProb": {
      "description": "Required for BINARY markets. Initial probability (1-99)",
      "type": "number"
    },
    "initialValue": {
      "description": "Required for PSEUDO_NUMERIC markets. Initial value between min and max",
      "type": "number"
    },
    "isLogScale": {
      "description": "Optional for PSEUDO_NUMERIC markets. If true, increases exponentially",
      "type": "boolean"
    },
    "max": {
      "description": "Required for PSEUDO_NUMERIC markets. Maximum resolvable value",
      "type": "number"
    },
    "min": {
      "description": "Required for PSEUDO_NUMERIC markets. Minimum resolvable value",
      "type": "number"
    },
    "outcomeType": {
      "description": "Type of market to create",
      "enum": [
        "BINARY",
        "MULTIPLE_CHOICE",
        "PSEUDO_NUMERIC",
        "POLL",
        "BOUNTIED_QUESTION"
      ],
      "type": "string"
    },
    "question": {
      "description": "The headline question for the market",
      "type": "string"
    },
    "shouldAnswersSumToOne": {
      "description": "Optional for MULTIPLE_CHOICE markets. Makes probabilities sum to 100%",
      "type": "boolean"
    },
    "totalBounty": {
      "description": "Required for BOUNTIED_QUESTION markets. Amount of mana for bounty",
      "type": "number"
    },
    "visibility": {
      "description": "Optional. Market visibility. Defaults to public.",
      "enum": [
        "public",
        "unlisted"
      ],
      "type": "string"
    }
  },
  "required": [
    "outcomeType",
    "question"
  ],
  "type": "object"
}

Manifold Markets MCP Server

Instructions

Input Schema

Input Schema (JSON Schema)

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