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io.github.rootsbymenda/chemical-safety

Official registry Other

Chemical hazard lookup: SVHC, GHS, NIOSH, ICSC. 468K classifications. Free.

Source code Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http chemical-safety 'https://chem-mcp-server.rootsbybenda.workers.dev/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "chemical-safety": {
            "type": "http",
            "url": "https://chem-mcp-server.rootsbybenda.workers.dev/mcp"
        }
    }
}
Remote (sse)
Claude Code 
claude mcp add --transport sse chemical-safety 'https://chem-mcp-server.rootsbybenda.workers.dev/sse'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "chemical-safety": {
            "type": "sse",
            "url": "https://chem-mcp-server.rootsbybenda.workers.dev/sse"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. Roots by Benda — Chemical Safety & Industrial Regulatory Intelligence MCP Server
  2. Tools
  3. Data
  4. Quick Start
  5. Rate Limits
  6. Built With
  7. Who Built This
  8. License

Roots by Benda — Chemical Safety & Industrial Regulatory Intelligence MCP Server

Chemical hazard data from ECHA, NIOSH, GHS, and ICSC in one MCP. Look up SVHC candidate list status, occupational exposure limits, GHS hazard classifications, and cross-reference into cosmetic and food additive databases — all source-linked and free.

Equivalent data access through commercial platforms (Chemwatch, ScienceDirect Toxicology) costs $10,000+/year. This MCP is free.

Live endpoint: https://chem-mcp-server.rootsbybenda.workers.dev/mcp SSE fallback: https://chem-mcp-server.rootsbybenda.workers.dev/sse

Tools

check_chemical

Look up a chemical substance by name or CAS number. Returns EU ECHA SVHC status, NIOSH occupational exposure data (REL/PEL/IDLH), GHS hazard classification, ICSC safety card data, and cosmetic/food cross-references for hazard assessment.

query: "formaldehyde"
→ SVHC: Yes (Candidate List 2012-06-18, CMR 1B); NIOSH REL: 0.016 ppm TWA;
  GHS: H301+H311+H331, H350, H370; Cosmetic: banned EU Annex II; Food: E240 (banned EU)
check_svhc_list

Check one or more chemical substances against the EU ECHA SVHC Candidate List. Resolves names to CAS numbers when possible and returns flagged substances, reasons for inclusion, dates, and source-linked detail URLs.

substances: "bisphenol A, DEHP, lead chromate"
→ 3/3 flagged: BPA (ED, 2017-01-12), DEHP (Repr. 1B, 2008-10-28), Lead chromate (CMR, 2008-10-28)
search_chemicals

Search chemical safety records by keyword across SVHC, NIOSH, GHS, and ICSC data. Use when you need to find hazardous chemicals by effect, exposure route, hazard phrase, organ target, or regulatory status.

query: "neurotoxic solvent" → matches across GHS H370 (nervous system), NIOSH CNS depressants

Data

DatasetRecords
ECHA SVHC Candidate List substances253
NIOSH occupational exposure profiles677
GHS hazard classifications (PubChem)468,165
Substance identifiers (CAS ↔ EC ↔ INCI ↔ CID crosswalk)73,252
ICSC safety cardsincluded
Cross-references to cosmetic ingredients30,553
Cross-references to food additives6,450

100% source-traceability: every record links back to ECHA, NIOSH, PubChem, or ICSC primary sources.

Sources: ECHA SVHC Candidate List, NIOSH Pocket Guide to Chemical Hazards, PubChem GHS classifications, ILO International Chemical Safety Cards.

Quick Start

Claude Desktop / Claude Code

Add to your MCP config:

{
  "mcpServers": {
    "roots-chemical-safety": {
      "url": "https://chem-mcp-server.rootsbybenda.workers.dev/sse"
    }
  }
}
Cursor / Windsurf / Zed

Use the Streamable HTTP endpoint:

https://chem-mcp-server.rootsbybenda.workers.dev/mcp

Rate Limits

Every caller receives full data; a 60 requests/minute abuse-prevention limit applies per IP.

Built With

Who Built This

Roots by Benda — regulatory intelligence platform built by Shahar Ben-David with Claude. Chemical safety database assembled from primary sources across ECHA, NIOSH, PubChem, and ILO ICSC.

License

MIT

Frequently asked questions

What is io.github.rootsbymenda/chemical-safety?

Chemical hazard lookup: SVHC, GHS, NIOSH, ICSC. 468K classifications. Free.

How do I install io.github.rootsbymenda/chemical-safety?

It runs as a remote server. In Claude Code: claude mcp add --transport http chemical-safety 'https://chem-mcp-server.rootsbybenda.workers.dev/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does io.github.rootsbymenda/chemical-safety need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is io.github.rootsbymenda/chemical-safety open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains io.github.rootsbymenda/chemical-safety?

It is published by rootsbymenda. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.