Freebazi runs on your own machine — the client starts it, so there is no endpoint to ping. 50 installs a week from npm. Last commit 2 Sep 2026.
Offline Bazi (八字, Four Pillars) chart: True Solar Time, Ten Gods, Shen Sha, luck pillars.
Today is the operative word: we check Freebazi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add freebazi -- npx -y freebazi-mcp
{
"mcpServers": {
"freebazi": {
"command": "npx",
"args": [
"-y",
"freebazi-mcp"
]
}
}
}
[mcp_servers.freebazi]
command = "npx"
args = ["-y", "freebazi-mcp"]
{
"mcpServers": {
"freebazi": {
"command": "npx",
"args": [
"-y",
"freebazi-mcp"
]
}
}
}
{
"servers": {
"freebazi": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"freebazi-mcp"
]
}
}
}
Chinese BaZi Four Pillars engine: precise solar terms, true-solar-time, lunar, patterns, offline.
Bazi (Four Pillars) and Qimen Dunjia charts with true solar time and historical time zones.
Cast a BaZi (Four Pillars) chart with true solar time, plus a reflective personality sketch.
Qi Men Dun Jia charts, BaZi Four Pillars, best-time ranking and solar terms. Free, no key.
Local Bazi charts, Ten Gods and true solar time, with structured facts and PNG images.
True solar time correction for BaZi charts: historical DST, longitude, equation of time.
Saju & BaZi (Four Pillars) charts, luck cycles, manseryeok and classics. Free with sign-in.
BaZi (Chinese Four Pillars) chart calculator. Structured chart data only, no predictions.
Answers built from our own checks of this server.