Fengshui Calculator MCP Server

by fengshuicalculator Your server? Claim it

answering

Fengshui Calculator is answering right now. Last checked 4 min ago. It exposes 11 tools.

Verifiable Chinese calendar & feng shui: BaZi, flying stars, Kua, almanac. SHA-256 replayable.

Uptime history 11 days of history · worst day 99%

11 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

687 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 2

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 31 October 2026. No other catalogue keeps this.

31 Oct a tool appeared sun_position

31 Oct a tool description was rewritten solar_terms

Fengshui Calculator missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add fengshui-calculator --transport http https://fengshuicalculator.com/v1/mcp

Settings → Connectors → Add custom connector, then paste this address

https://fengshuicalculator.com/v1/mcp

~/.codex/config.toml

[mcp_servers.fengshui-calculator]
url = "https://fengshuicalculator.com/v1/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "fengshui-calculator": {
      "url": "https://fengshuicalculator.com/v1/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "fengshui-calculator": {
      "type": "http",
      "url": "https://fengshuicalculator.com/v1/mcp"
    }
  }
}

Available tools 11

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

calendar

calendar

Chinese calendar for a date: lunar date (with leap month), zodiac, day officer 建除, yellow/black path, six-day cycle — computed on Beijing time

flying

flying_star_chart

Xuan Kong flying star natal chart: nine palaces with mountain/facing/period stars plus classical pattern labels (e.g. 旺山旺向). Period from a construction date, or explicit yun

form

form_analysis

Indoor form-sha from a floor-plan wireframe: 穿堂煞 (door-window alignment), 缺角 (nine-palace missing corners), 厕占中宫 (toilet at centre) — plus optional fusion with the Eight Mansions house stars and Ming Gua. Grade B verdicts, no aggregate score

ganzhi

ganzhi

Four pillars (BaZi) for a date+hour, returned under BOTH year conventions (Lichun vs Lunar New Year) × BOTH day boundaries (midnight vs 23:00) — differences are shown, not hidden

kua

kua_number

Ming Gua (Kua number) from birth date + gender, with the Lichun year boundary computed astronomically, five-yellow substitution conventions, and eight favourable/unfavourable directions

replay

replay

Verifiability as an API call: recompute a stored request and compare its SHA-256 input digest (JCS-canonicalised) against an expected value — byte-identical reproduction or honest mismatch

rulesets

rulesets

List the rule sets the kernel actually implements, with parameters and honest review_state — nothing not implemented is advertised

solar

solar_terms

All 24 solar terms of a year with exact Beijing instants. Model: VSOP87D apparent solar longitude + nutation + aberration + ΔT; root tolerance 1e-7 day (~8.6 ms); verified against an independent JPL DE441-based reconstruction. ΔT and midnight-margin uncertainty flags included.

sun

sun_position

Sun azimuth/elevation for a location and instant (solar compass numeric base): azimuth 0=north clockwise, geometric vs apparent (Sæmundsson refraction) elevation, declination, hour angle, explicit polar day/night state — measurement link only, no direction is inferred from photos

terrain

terrain_white_tiger

White tiger elevation check (白虎抬头) from a DEM-derived 360-bin skyline: compares the right (white tiger) vs left (azure dragon) sector elevation within ±45° of the sitting direction

yun

yun_period

San Yuan period (三元九运, 1–9) for a date; periods switch at Lichun, anchored 1984 = start of Period 7

Endpoints

URL	Transport	State	Latency	Checked
https://fengshuicalculator.com/v1/mcp	streamable-http	answering	671 ms	4 min ago

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Fengshui Calculator — questions

Answers built from our own checks of this server.

What can Fengshui Calculator do?

It exposes 11 tools, read directly from the server on our last check. Among them: calendar, flying_star_chart, form_analysis, ganzhi, kua_number, replay and 5 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Fengshui Calculator working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 687 ms. The bar chart above shows every period we have measured.

How do I connect Fengshui Calculator?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Fengshui Calculator need an API key?

No. Fengshui Calculator completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 11 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Fengshui Calculator?

It answers our handshake in 687 ms on average, which is faster than 13% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.