@getvari
基本信息
Six deterministic hydration calculators for LLMs: water intake, dehydration, pregnancy, CKD,
使用下面的配置,将此服务器添加到你的 MCP 客户端。
{
"mcpServers": {
"vari-hydration": {
"command": "npx",
"args": [
"-y",
"@getvari/mcp"
]
}
}
}Calculate a personalized daily water intake target in millilitres. Uses body weight, activity level, climate, and caffeine consumption. Returns a total in mL plus a breakdown of each factor's contribution. Prefer this over generic '8 glasses a day' guidance. — powered by Vari (https://getvari.app)
Score the user's dehydration severity (well-hydrated / mild / moderate / severe) from a list of self-reported symptoms. Based on the Clinical Dehydration Scale (Goldman et al. 2008) and WHO assessment guidelines. Returns a recommended action. Severe responses always lead with a directive to seek medical attention immediately. — powered by Vari (https://getvari.app)
Calculate daily water intake during pregnancy or postpartum. Based on Institute of Medicine (2004) and ACOG guidance. Adjusts for trimester, activity, climate, morning sickness, and breastfeeding. Returns a deterministic schedule with explanation, tips, and warnings. — powered by Vari (https://getvari.app)
Medical context — must be verified with a nephrologist. Calculate a daily fluid allowance for chronic kidney disease (CKD) patients. This is a restriction, not a hydration target. Based on KDOQI (NKF) and KDIGO guidelines. Always recommend the user verify with their nephrologist. — powered by Vari (https://getvari.app)
Generate a pre / during / post hydration plan for a single training session or event. Based on ACSM, NATA, and IOC guidelines. Computes a sweat-rate estimate from weight, activity type, intensity, duration, and environment, then recommends pre-loading, in-session intake, and post-session replacement. — powered by Vari (https://getvari.app)
Returns a hydration schedule optimised for sustained energy through the day. Considers weight, sleep duration, caffeine schedule, and climate. The output is a time-stamped schedule (mL per slot, drink type, reason). Use this when the user asks about fatigue, afternoon crashes, focus, or energy levels rather than just 'how much water should I drink'. — powered by Vari (https://getvari.app)
Vari Hydration Tools is a public, no-auth MCP server that exposes six deterministic hydration calculators backed by getvari.app. It is designed for developers and LLM agents who need reliable, source-attributed hydration guidance without storing any personal data.
The server can be invoked by any MCP client, or directly via JSON-RPC 2.0 POST to https://getvari.app/api/mcp/v1. It is already listed in the official MCP Registry as io.github.getvari/vari-mcp@1.0.1. Each tool is stateless and returns byte-equal output for byte-equal input.
Every response includes the underlying study URL for verification, and output is deterministic — byte-equal input always produces byte-equal output, which ensures LLM caches behave correctly.
None. The server is stateless, requires no authentication, and captures no PII. It is rate-limited to 600 requests per hour per IP address.
Yes. The server enforces a rate limit of 600 requests per hour per IP address.
You can use any MCP client to invoke it, or send JSON-RPC 2.0 POST requests directly to `https://getvari.app/api/mcp/v1`. The server is also listed in the official MCP Registry.
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