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What it does

Kalshi and Polymarket data, venue fees, no-arbitrage checks and paper execution for AI agents.

Description as published by the publisher in the official MCP Registry, read 10 Oct 2026. Not written or verified by Few Servers.

Facts

Registry name	`io.github.YichengYang-Ethan/oracle3`
Publisher	GitHub account YichengYang-Ethan Namespace verified by the registry through the publisher's GitHub account.
Category	Finance, payments and crypto sorted by our keyword rules
Transport	local package (PyPI)
Version	1.2.2
This version published	30 Sep 2026
GitHub stars	424 on yichengyang-ethan/oracle3-prediction-market-agent read from GitHub on 12 Oct 2026. GitHub's count, not a rating by us.
Last seen	10 Oct 2026, in our crawl of the official MCP Registry
Tested by Few Servers	No

PyPI package, as published: oracle3 · version 1.2.2 · transport stdio
```
uvx oracle3
```
Standard run command for PyPI packages. The registry publishes the package name, not a command; check the repository for required arguments.

Install details read from the registry record on 12 Oct 2026. We have not run this server.

The registry record declares settings, none marked secret. Declared by the publisher:

ORACLE3_MCP_LEDGER (environment variable, not marked required): Path of the local paper-trading ledger (default ~/.oracle3/mcp_paper_ledger.json)

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