> For the complete documentation index, see [llms.txt](https://docs.natoma.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.natoma.ai/apps/pubchem.md).

# PubChem

**Type:** Community

**Source Type:** Repository

**Source:** [GitHub](https://github.com/Augmented-Nature/PubChem-MCP-Server.git)

**Description:** Provides access to the vast PubChem chemical database containing over 110 million chemical compounds with extensive molecular properties, bioassay data, and chemical informatics tools. Enables Claude to search compounds by name or identifier, retrieve detailed compound information, analyze chemical structures, calculate molecular descriptors, access bioassay data, and explore safety information and toxicity classifications for drug discovery and chemical research.

**Configuration Parameters:**

* No configuration required

**Setup Steps:** No setup required. The server accesses the public PubChem API which does not require authentication.
