Operating rules - Use for all HMDB calls. - Use . - Search endpoints are better with and . - Keep category-specific requests narrow instead of broad searches across multiple categories at once. - Re-run requests in long conversations instead of relying on older tool output. - Treat displayed in tool previews as UI truncation, not literal request content. Execution behavior - Return concise markdown summaries from the script JSON by default. - Prefer with explicit , , and . - If the user needs the full payload, set and report the saved file path. Input - Read one JSON object from stdin. - Requ…