Changelog
Shipped features and improvements, newest first.
Documentation site
2026-05-19
Setup guides for Claude (Desktop and remote), ChatGPT, Cursor, and Claude Code. Public tool reference at /docs/tools listing every MCP tool with its signature and when-to-use guidance. Coverage matrix at /docs/coverage showing every EDINET document type ingested and current typed-extraction depth. Data-sources methodology at /docs/data-sources covering parsers, enrichment policy, and source attribution.
Self-serve and Custom subscription tiers
2026-05-17
Subscriptions available at $99/month or $990/year (Self-serve), with a Custom tier for teams that need bespoke scoping. 14-day money-back guarantee on all tiers. Each subscriber receives an onboarding email within 24 hours of purchase with API key and setup instructions.
Options chain and earnings calendar data
2026-05-14
OSE Derivatives single-stock options chain (strikes, expiries, open interest, implied volatility) and the JPX corporate earnings calendar are now ingested daily. Available internally; public MCP tool exposure planned for a future release.
Related-party transaction extraction
2026-04-21
Related-party transaction counterparties, types, and amounts extracted from annual securities reports (EDINET Doc 120) with source quotes. Available via the get_related_party_transactions MCP tool.
Capital policy and dividend extraction
2026-04-16
Target payout ratios and dividend skip reasons extracted from annual securities reports (EDINET Doc 120) with source quotes. Available via the get_capital_policy MCP tool.
Activist filer registry and intent enrichment
2026-04-14
Curated registry of known activist filers (Oasis, Dalton, Silchester, Asset Value Investors, Strategic Capital, Murakami Group, and others), paired with structured extraction of stated change proposals and desired outcomes from every large-shareholding filing (EDINET Doc 350). Surfaced through the get_holding_actions MCP tool.
Want to know what's next? See /docs/coverage for current typed-extraction depth, or email data@japanfinsight.com with a feature request.