Saturn: AI-Powered Spreadsheet Tool for Japan's Public Data Integration
By
Takuya Tominaga
Sat out too long. The crust has gone leathery.
Summary
Saturn is a tool that transforms Japan's public data from sources like EDINET filings, gBizINFO, and corporate registries into an AI-ready spreadsheet interface. Users can define columns and let AI handle data processing, enabling rapid company research (30 seconds), invoice transfer automation (from 8 hours to 5 minutes), and high-volume resume screening (100/day). The platform offers multiple access methods including UI, API, and MCP with 22 tools for AI agents.
Key quotes
· 3 pulledSaturn integrates EDINET filings, gBizINFO, and corporate registries into a single spreadsheet UI
Define columns, and AI handles the rest — company research in 30 sec, invoice transfer from 8 hours to 5 min, resume screening at 100/day
Works via UI, API, and MCP (22 tools for AI agents)
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