langchain-prediction-markets

LangChain tools for real-time prediction market data. Drop-in tools that give any LangChain agent world awareness from 30,000+ markets.

Install

npm install langchain-prediction-markets @langchain/core

Quick Start

import { ChatOpenAI } from '@langchain/openai'
import { createReactAgent } from '@langchain/langgraph/prebuilt'
import { predictionMarketTools } from 'langchain-prediction-markets'

const agent = createReactAgent({
  llm: new ChatOpenAI({ model: 'gpt-4o' }),
  tools: predictionMarketTools(),
})

const result = await agent.invoke({
  messages: [{ role: 'user', content: 'What are the key geopolitical risks right now?' }],
})

Tools

| Tool | Description | |------|-------------| | get_world_state | Full world state (~800 tokens) with index, movers, edges, divergences | | get_uncertainty_index | Four-signal uncertainty index (0-100) | | get_market_edges | Actionable mispricings with reasoning and causal path | | get_market_detail | Single market detail with optional orderbook | | get_world_changes | Incremental changes since a given time |

Individual Tools

import { getWorldState, getUncertaintyIndex, getMarketEdges } from 'langchain-prediction-markets'
// Use individually in any LangChain agent

License

MIT — SimpleFunctions