Oracle3
Oracle3 is a trading engine and MCP server that checks prediction market contracts for pricing gaps after fees, for developers and quantitative traders.
What it is good for
- Finding pricing gaps between related prediction market contracts
- Checking trading fees and net profit on prediction market trades
- Testing prediction market trading strategies on paper before going live
- Connecting an AI assistant to Kalshi and Polymarket market data
At a glance
- Who it is for
- Setup
- Guided command-line setup
Level 4 of 5. You copy and paste commands into a terminal by following the instructions. Comfortable territory for vibe coders.
- Cost
- Free and open source
- Type
- Framework or SDK
- Tasks
- Works with
- Claude Code, Kalshi, Polymarket, Solana, DFlow
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 560
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is Oracle3 free?
- Yes. It is free and open source (Apache-2.0 license).
- Do I need to know how to code to use Oracle3?
- You do not need to write code, but setup means copying and pasting commands into a terminal by following its instructions.
- What does Oracle3 work with?
- According to its own documentation, it works with Claude Code, Kalshi, Polymarket, Solana, and DFlow.
- What is Oracle3 good for?
- Finding pricing gaps between related prediction market contracts, checking trading fees and net profit on prediction market trades, testing prediction market trading strategies on paper before going live, and connecting an AI assistant to Kalshi and Polymarket market data.
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