# Ba-Zi.ai Chinese Astrology (npm · chinese-astrology-skill)

BaZi Four Pillars charts, bone weight fortune (称骨) and Chinese almanac (黄历) by Ba-Zi.ai.

- Trust score: 83/100 (high trust)
- Change this week: +3
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-11-04

## Components

- npm · `chinese-astrology-skill`: 83/100 (this document), [markdown](https://verifymcp.io/servers/xlw-pro-chinese-astrology-skill/chinese-astrology-skill.md), [page](https://verifymcp.io/servers/xlw-pro-chinese-astrology-skill/chinese-astrology-skill)

## Channel facts

- Registry: `npm`
- Package: `chinese-astrology-skill`
- Version: `1.0.1`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-11-04.

- **Supply Chain Security**: 81/100
  - No malware found by supply-chain analysis.
  - CVE check failed: a known high-severity CVE affects zod 3.25.76, a direct dependency. A fixed version is available.
  - No install/post-install scripts declared.
  - 32 of 98 dependencies flagged as unhealthy.
- **Provenance & Transparency**: 97/100
  - Source repository is publicly reachable at the declared URL.
  - Cryptographically verified build provenance (signed, bound to xlw-pro/chinese-astrology-skill).
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 15 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 78/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 484 tokens (~121/item across 4 items; 4 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 53/100
  - Stability observed for 16 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 4 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 4 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### How do I install the Ba-Zi.ai Chinese Astrology MCP server?

Ba-Zi.ai Chinese Astrology runs locally as an npm package, launched with npx -y chinese-astrology-skill. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add xlw-pro-chinese-astrology-skill -- npx -y chinese-astrology-skill
```

### Cursor

```json
{
  "mcpServers": {
    "xlw-pro-chinese-astrology-skill": {
      "command": "npx",
      "args": [
        "-y",
        "chinese-astrology-skill"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "xlw-pro-chinese-astrology-skill": {
      "command": "npx",
      "args": [
        "-y",
        "chinese-astrology-skill"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add xlw-pro-chinese-astrology-skill -- npx -y chinese-astrology-skill
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "xlw-pro-chinese-astrology-skill": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "chinese-astrology-skill"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add xlw-pro-chinese-astrology-skill --command npx --arg -y --arg chinese-astrology-skill
```

### Hermes

```yaml
mcp_servers:
  xlw-pro-chinese-astrology-skill:
    command: "npx"
    args: ["-y", "chinese-astrology-skill"]
```

### Netclaw

```json
{
  "McpServers": {
    "xlw-pro-chinese-astrology-skill": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "chinese-astrology-skill"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add xlw-pro-chinese-astrology-skill -t stdio -c npx -a -y chinese-astrology-skill
```

### Other

```json
{
  "mcpServers": {
    "xlw-pro-chinese-astrology-skill": {
      "command": "npx",
      "args": [
        "-y",
        "chinese-astrology-skill"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-11-03 (score 83, +1)

No change was recorded against any check on this day. Stability & Change Management went from 47 to 50. That category is still filling its 30-day observation window: 14 days of observed history at the previous scan, 15 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-11-01 (score 82, +1)

No change was recorded against any check on this day. Stability & Change Management went from 40 to 43. That category is still filling its 30-day observation window: 12 days of observed history at the previous scan, 13 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-30 (score 81, +1)

- [functional regression] Security disclosure: unverified → fail

### 2026-10-29 (score 80, 0)

- [functional regression] Security disclosure: fail → unverified

### 2026-10-27 (score 80, +1)

No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-25 (score 79, +3)

- [functional improvement] Stability: unverified → 0.20

### 2026-10-24 (score 76, −5)

- [security regression] CVE-2023-54404 affects this package: high
- [security regression] Known CVEs: pass → fail

### 2026-10-20 (score 81, +15)

- [security improvement] Malware scan: unverified → pass

## MCP tools (4)

### `getBaziChart` (~200 tokens)

Calculate a complete BaZi (Four Pillars of Destiny) chart from birth datetime. Returns the eight characters, Five Elements, Ten Gods, Hidden Stems, Decade Fortune, and more. 根据出生时间计算完整八字命盘。

Input parameters:

- `eightCharProviderSect` (number): Late Zi hour config. 1 = next day, 2 = same day (default). 早晚子时：1=明天，2=当天。
- `gender` (number, required): 0 = female, 1 = male. 0=女，1=男。
- `lunarDatetime` (string): Lunar birth datetime, e.g. "2000-5-5 12:00:00". 农历出生时间。
- `solarDatetime` (string): Birth datetime in ISO format, e.g. "2000-01-15T12:00:00+08:00". 公历出生时间。

### `findBirthDates` (~87 tokens)

Find possible birth dates from a BaZi string. Returns all matching solar datetimes from 1700 to present. 根据八字反查公历出生时间。

Input parameters:

- `bazi` (string, required): BaZi string (space-separated four pillars), e.g. "戊寅 己未 己卯 辛未". 八字（空格分隔四柱）。

### `getAlmanac` (~76 tokens)

Get Chinese almanac (黄历) for a specific date. Returns lunar date, auspicious/inauspicious activities, directional gods, and more. 获取指定日期的黄历信息。

Input parameters:

- `solarDatetime` (string): Date in ISO format. Defaults to today (China time). 公历日期，默认今天。

### `calculateBoneWeight` (~121 tokens)

Calculate bone weight fortune (秤骨算命) using Yuan Tiangang's ancient Tang Dynasty method. Assigns weight values to birth year/month/day/hour and returns a destiny poem with interpretation. This tool is exclusive to chinese-astrology-skill. 袁天罡秤骨算命法，根据出生时间计算骨重与命运诗。

Input parameters:

- `solarDatetime` (string, required): Birth datetime in ISO format, e.g. "1990-06-15T14:00:00+08:00". 公历出生时间。

## Diagnostics

Captured diagnostic sections: Provenance, Vulnerabilities, Dependencies. The full working is on the page: https://verifymcp.io/servers/xlw-pro-chinese-astrology-skill/chinese-astrology-skill#diagnostics

## Score history

- 2026-11-04: 83
- 2026-11-03: 83
- 2026-11-02: 82
- 2026-11-01: 82
- 2026-10-31: 81
- 2026-10-30: 81
- 2026-10-29: 80
- 2026-10-28: 80
- 2026-10-27: 80
- 2026-10-26: 79
- 2026-10-25: 79
- 2026-10-24: 76
- 2026-10-23: 81
- 2026-10-22: 81
- 2026-10-21: 81
- 2026-10-20: 81
- 2026-10-19: 66

## Common questions

### What is the Ba-Zi.ai Chinese Astrology MCP server?

Ba-Zi.ai Chinese Astrology is an MCP server listed in the public MCP registry as io.github.xlw-pro/chinese-astrology-skill. BaZi Four Pillars charts, bone weight fortune (称骨) and Chinese almanac (黄历) by Ba-Zi.ai. This page covers its npm package (chinese-astrology-skill).

### Is the Ba-Zi.ai Chinese Astrology MCP server safe to use?

Ba-Zi.ai Chinese Astrology scores 83 out of 100 on VerifyMCP. We recorded 1 known advisory against it as of 4 November 2026. It declares no install or post-install scripts. Its build provenance is signed and verified. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the Ba-Zi.ai Chinese Astrology MCP server expose?

Ba-Zi.ai Chinese Astrology exposes 4 tools: getBaziChart, findBirthDates, getAlmanac, calculateBoneWeight. Their descriptions and schemas cost roughly 484 tokens of context every time the server is loaded.

### Is the Ba-Zi.ai Chinese Astrology MCP server still maintained?

Ba-Zi.ai Chinese Astrology is still listed as active in the MCP registry. We last reached this channel on 4 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

### What licence is the Ba-Zi.ai Chinese Astrology MCP server under?

Ba-Zi.ai Chinese Astrology declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.

## Links

- npm package: https://www.npmjs.com/package/chinese-astrology-skill
- Socket report: https://socket.dev/npm/package/chinese-astrology-skill
- Repository: https://github.com/xlw-pro/chinese-astrology-skill
- Website: https://www.ba-zi.ai/
- Changelog RSS feed: https://verifymcp.io/servers/xlw-pro-chinese-astrology-skill/chinese-astrology-skill.xml
- Changelog JSON feed: https://verifymcp.io/servers/xlw-pro-chinese-astrology-skill/chinese-astrology-skill.json
- HTML version of this page: https://verifymcp.io/servers/xlw-pro-chinese-astrology-skill/chinese-astrology-skill