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github.com
mcp-molecules
🐍 🏠 ☁️ 🐧 🍎 - Chemistry toolbox computed from authoritative data: molecular weight / molar mass of any formula (nested groups, isotope labels...
Checked Oct 27, 2026Evidence completeness: evidenceREADME refreshed Oct 16, 2026
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🐍 🏠 ☁️ 🐧 🍎 - Chemistry toolbox computed from authoritative data: molecular weight / molar mass of any formula (nested groups, isotope labels, propagated NIST uncertainties, percent composition), isotope-distribution mass spectra (m/z peaks for a given charge), and name⇆formula lookup with isomer resolution. Element masses from the NIST Atomic Weights and Isotopic Compositions database; offline and deterministic, with an optional on-by-default online fallback (PubChem/Wikidata/EPA CompTox) tha...
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Developers building, shipping and maintaining software, particularly database workflows and privacy-sensitive setups — source available on GitHub.
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Known limitations
Non-technical teams looking for a no-code, click-to-configure product.
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Catalogue data checked Oct 27, 2026.
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mcp-molecules
GitHub / laszlopere/mcp-molecules
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