# mcp-pubchem

> mcp-pubchem — pipeworx-io-mcp-pubchem. Use this tool when you need to access a vast repository of chemical compounds and their properties. The mcp-pubchem tool provides an interface to the NIH's PubChem database, allowing users to retrieve information on chemical structures, identifiers, and related data without requiring authentication. It is ideal for use cases involving chemical research, compound identification, and data mining, with inputs including chemical names or identifiers and outputs comprising detailed compound information.

Canonical page: https://skillsregistry.net/skills/pipeworx-io-mcp-pubchem  
JSON: https://api.skillsregistry.net/v1/skills/pipeworx-io-mcp-pubchem

## Description

PubChem MCP — NIH chemistry compound database (no auth)

## Trust

- **Trust score (0–1):** 1.00
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** database
- **Updated:** 2026-09-26

## Source

- **Source listing:** [GitHub](https://github.com/pipeworx-io/mcp-pubchem)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "pipeworx-io-mcp-pubchem"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/pipeworx-io-mcp-pubchem` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/pipeworx-io-mcp-pubchem/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt