Add shirabe.dev — Shirabe Calendar API 1.0.0 + Shirabe Address API 1.0.0

[Shirabe-dev-sys]

Adding Shirabe — a Japan-specific AI-native API platform by Techwell Inc.
Two OpenAPI 3.1.0 specs are included under the reverse-DNS path APIs/shirabe.dev/.

1. Shirabe Calendar API — APIs/shirabe.dev/calendar/1.0.0/openapi.yaml

Japanese calendar data (rokuyo 六曜, rekichu 暦注 / auspicious days, eto 干支, 24 solar terms) with purpose-specific auspicious-day scoring across 8 categories (wedding, funeral, moving, construction, business opening, car delivery, marriage registration, travel). Astronomical-precision lunar calendar engine.

• Base URL: https://shirabe.dev
• Auth: none for anonymous Free tier (10,000 req/month, IP-rate-limited); X-API-Key header for paid tiers
• Paths: 4 (GET /api/v1/calendar/{date}, GET /api/v1/calendar/range, GET /api/v1/calendar/best-days, GET /health)
• Docs: https://shirabe.dev/docs/rokuyo-api, https://shirabe.dev/docs/rekichu-api
• Spec canonical URL: https://shirabe.dev/openapi.yaml
• Source repo: https://github.com/techwell-inc-jp/shirabe-calendar-api (MIT License)
• Also indexed on: Glama.ai MCP registry (https://glama.ai/mcp/servers/techwell-inc-jp/shirabe-calendar-api)

2. Shirabe Address API — APIs/shirabe.dev/address/1.0.0/openapi.yaml

Japanese address normalization using the Address Base Registry (アドレス・ベース・レジストリ) published by Digital Agency of Japan under CC BY 4.0. Covers all 47 prefectures. Returns normalized string, structured components (prefecture / city / town / block / building / floor), postal code, WGS84 coordinates, match level, confidence score, and ABR attribution.

• Base URL: https://shirabe.dev
• Auth: none for anonymous Free tier (5,000 req/month, IP-rate-limited); X-API-Key header for paid tiers
• Paths: 4 (POST /api/v1/address/normalize, POST /api/v1/address/normalize/batch, GET /api/v1/address/health, etc.)
• Docs: https://shirabe.dev/docs/address-normalize, https://shirabe.dev/docs/address-batch, https://shirabe.dev/docs/address-pricing
• Spec canonical URL: https://shirabe.dev/api/v1/address/openapi.yaml
• Source repo: https://github.com/techwell-inc-jp/shirabe-address-api (MIT License)
• Launch: 2026-05-01 (scheduled). The OpenAPI spec is production-finalized and already served from shirabe.dev.
• Attribution note: Each API response includes an attribution field required for downstream propagation per CC BY 4.0.

Validation

Both specs are:

• OpenAPI 3.1.0 (validated with Redocly CLI and Swagger Editor)
• Bilingual (Japanese + English) descriptions on every operation and schema
• Available at stable canonical URLs (CORS open, no auth required for spec retrieval)
• Designed for AI-agent consumption — compatible with ChatGPT GPTs Actions, Claude Tool Use, Gemini Function Calling, LangChain, Dify, and Model Context Protocol (Calendar API only for MCP at this time)

Operator / Contact

• Organization: Techwell Inc. (株式会社テックウェル), Fukuoka, Japan
• Website: https://shirabe.dev
• Terms of Service: https://shirabe.dev/terms
• GitHub Org: https://github.com/techwell-inc-jp