Schema | Saju MCP Server

Saju MCP Server

Describes the environment variables required to run the server.

Name	Required	Description	Default
`SAJU_API_KEY`	Yes	Your Saju API key (sajuapi_free_...), sent as the X-API-Key header
`SAJU_API_BASE`	No	Override the upstream base URL (e.g., for a staging deploy)	https://saju-api.pages.dev

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": true }

Functions exposed to the LLM to take actions

Name	Description
saju_calculateA	Compute the Korean Four Pillars of Destiny (사주팔자 / Bazi) from a solar birthdate. Returns the year/month/day/hour pillars (heavenly stem + earthly branch, with hanja), the five-element distribution (wood/fire/earth/metal/water), the Day Master, and the zodiac animal.
saju_interpretA	Full Saju interpretation from a solar birthdate: the Four Pillars plus Ten Gods (십신), hidden stems, life stages, interactions, Yongshin (용신 / useful god), Daeun (대운 / luck pillars), and human-readable summaries in the requested language.
saju_compatibilityA	Score two-person compatibility (궁합) from 0–100 based on both people's Saju. Returns the overall score and a breakdown (element balance, Day Master relation, branch harmony, branch clash) plus each person's Day Master and zodiac.
saju_dailyA	Daily fortune snapshot (0–100 score + advice) for a given Day Master and date. Provide the Day Master either as a Korean stem character (갑, 을, 병, 정, 무, 기, 경, 신, 임, 계) or an English alias (e.g. wood_yang, water_yin). The Day Master comes from a prior saju_calculate / saju_interpret call (day_master.stem).

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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