Prediction Markets MCP (JamesANZ)
Data and APIs
MCP server that pulls current odds and prices from Polymarket, PredictIt and Kalshi with keyword search and no API keys, for Cursor and Claude Desktop.
- Free option
- Polymarket
- Kalshi
- PredictIt
Prediction market data, APIs and SDKs
Market data feeds, historical order books, SDKs, MCP servers and developer tools for building on prediction markets. 134 listed.
134 listings, fullest profiles first
Page 5 of 6
Website checked 31 Oct 2026
prediction-market-backtesting
Data and APIs
Nautilus Trader extension for backtesting prediction market strategies with order book replay, Telonex data support, experiment runners, Optuna optimization and sandbox hooks for Polymarket BTC 5-minute markets.
- Free option
- Polymarket
predmarket
Data and APIs
Async Python library unifying Kalshi and Polymarket public REST data under one interface, with Polymarket WebSocket support and Kalshi WebSocket in development.
- Free option
- Kalshi
- Polymarket
Funding Predicts
Data and APIs
Funding Predicts provides data or programmatic research tools.
- Polymarket
Jatevo
Data and APIs
Jatevo provides a common endpoint and key for a user’s own AI provider accounts. Its overview describes per-key usage records and both self-hosted and hosted deployment.
Polymarket MCP (aryankeluskar)
Data and APIs
Smithery-hosted MCP server exposing Polymarket Gamma and Data API tools for market search, event clusters, recent trades and market analysis without authentication.
- Free option
- Polymarket
Limitless Exchange
Data and APIs
REST and WebSocket API for Limitless on Base with EIP-712 signed orders, scoped API tokens, partner sub-accounts, official TypeScript, Python, Go and Rust clients and an MCP server for agents.
- Free option
- Limitless
Metaculus API
Data and APIs
Metaculus's OpenAPI-documented forecasting platform API. Requests return a permission error without an account API token, so all access requires authentication.
- Free option
- Metaculus
Myriad Markets API
Data and APIs
Myriad's REST and WebSocket API at api-v2.myriadprotocol.com for markets, quotes, EIP-712 orders and positions on BNB Chain, Abstract and Linea with SIWE or HMAC keys.
- Free option
- Myriad
Trepa
Data and APIs
No description yet.
Webull
Data and APIs
Webull provides tools for developers.
kalshi-starter-code-python
Data and APIs
Kalshi's example Python scripts for making authenticated REST and WebSocket requests. README states it is sample code, not an SDK.
- Free option
- Kalshi
poly_data
Data and APIs
Python pipeline that streams Polymarket CTF Exchange V2 order events from Polygon via Envio HyperSync, joins CLOB market metadata and writes trades to CSV.
- Free option
- Polymarket
Polymarket Documentation
Data and APIs
Analytics endpoints at data-api.polymarket.com returning trades, open interest, top holders, live volume and trader and builder leaderboards for Polymarket.
- Free option
- Polymarket
Polymarket Subgraph
Data and APIs
Public subgraph manifests indexing Polymarket on-chain activity, order book fills, open interest, PnL, FPMM liquidity and sports oracle data for GraphQL queries.
- Free option
- Polymarket
Polymarket_data (SII)
Data and APIs
Research toolkit and Hugging Face dataset of 1.1 billion Polymarket trade records across 268K markets, fetched from Polygon and Gamma API into parquet files.
- Free option
- Polymarket
prediction-market-analysis
Data and APIs
Framework with indexers, parquet storage and analysis scripts plus a 36 GiB compressed dataset of Polymarket and Kalshi markets and trades used in microstructure research.
- Free option
- Polymarket
- Kalshi
rs-clob-client
Data and APIs
Archived Rust crate polymarket-client-sdk for the Polymarket CLOB. README says it is no longer functional and points to rs-clob-client-v2.
- Free option
- Polymarket
rs-clob-client-v2
Data and APIs
Rust crate polymarket_client_sdk_v2 for Polymarket CLOB trading with typed builders, WebSocket streams, batch orders and optional Data, Gamma, Bridge and CTF clients.
- Free option
- Polymarket
API Documentation
Data and APIs
Official Kalshi packages kalshi_python_sync, kalshi_python_async and kalshi-typescript, generated weekly from the OpenAPI spec with API key and RSA-PSS signing.
- Free option
- Kalshi
Artemis
Data and APIs
Investment research platform whose prediction markets sector page tracks volume, open interest and users for Polymarket and Kalshi, alongside crypto and equity data.
- Free and paid
- Polymarket
- Kalshi
Myriad SDK (polkamarkets-js)
Data and APIs
JavaScript SDK and API for Myriad Markets contracts on BNB Chain, Abstract, Linea and Celo: wallet connect, buy and sell outcome shares, claims, portfolio and price queries, referral codes.
- Free option
- Myriad
Opinion Open API
Data and APIs
Opinion Labs' HTTP API at openapi.opinion.trade for BNB Chain markets, prices, order books and history, with one API key shared by WebSocket and CLOB SDKs.
- Free option
- Opinion
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