mcp-molecules

Item: mcp-molecules
Rating: 69
Author: M8ven

An MCP server for chemistry: it computes molecular weights and isotope distributions from chemical formulae and resolves compound name/formula lookups, backed by NIST atomic-weight data and a cached finder over multiple online and offline sources.

→ laszlopere/mcp-molecules · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configMCP_MOLECULES_CACHE_DIR

configXDG_DATA_HOME

configMCP_MOLECULES_NEGCACHE_TTL

configMCP_MOLECULES_ONLINE— The online fallback is on by default; set to a falsy

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 5 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/laszlopere-mcp-molecules-1kh20e)](https://m8ven.ai/mcp/laszlopere-mcp-molecules-1kh20e)

commit: 90d023ac030d783c10892a8a1119c32aea27d67d

code hash: 59c18992a66c2d402815a50d2a2f8a0db270a05abf036041e5a7bf0a6d8337ab

verified: 6/17/2026, 11:28:56 AM

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