mcp-molecules
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TDQS
Scored across 5 tools
Each tool targets a clearly distinct task: compound lookup, molecular weight calculation, isotope distribution, inverse elemental analysis, and server info. Although molecular_weight_calculator and isotope_distribution both return mass-related values, their primary outputs and use cases are clearly separated by the descriptions.
All names use snake_case and are descriptive, but the pattern is not a uniform verb_noun: most are noun phrases (elemental_analysis, isotope_distribution, molecular_weight_calculator), one is verb-led (find_chemical_compound), and info is a bare meta name. The set remains readable and mostly predictable.
Five tools is well within the ideal 3–15 range for a focused chemistry server. Each tool serves a distinct, non-redundant function, so the count feels well-scoped rather than bloated or thin.
The surface covers lookup, molecular weight, isotope distribution, and inverse formula inference, which are the core formula-centric operations. Minor gaps remain, such as direct formula parsing, exact-mass-to-formula search, or batch calculations, but agents can work around these.