Pubchem MCP Server
Rank #2569glama/cyanheads/pubchem-mcp-server
PubChem chemical database access for compound search, properties, safety data, bioactivity, and cross-references.
Pubchem MCP Server is a Model Context Protocol (MCP) server published by cyanheads. It ranks #2569 of 58,832 servers tracked on MCP Toplist, and its repository has 9 GitHub stars. Pubchem MCP Server is listed across 3 registries — Official MCP, Glama and PulseMCP, with 16 tracked versions. It was first listed on Jun 30, 2025 and most recently updated on May 23, 2026.
Ranks ahead of 56,263 of 58,832 servers on MCP Toplist.
Use Pubchem MCP Server
Add Pubchem MCP Server to any MCP client (Claude, Cursor, VS Code, …) with one of the configs below.
{
"mcpServers": {
"pubchem-mcp-server": {
"url": "https://pubchem.caseyjhand.com/mcp"
}
}
}{
"mcpServers": {
"pubchem-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/pubchem-mcp-server"
],
"env": {
"MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
}
}
}
}Replace each placeholder with your own value before saving.
{
"mcpServers": {
"pubchem-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/pubchem-mcp-server"
],
"env": {
"MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
"MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
"MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
"MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
"MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
}
}
}
}Replace each placeholder with your own value before saving.
Listed on 2 registries (1 delisted)
cyanheads
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Available versions (16)
| Version | Published |
|---|---|
| 0.1.20 | May 23, 2026 |
| 0.1.19 | May 16, 2026 |
| 0.1.18 | May 5, 2026 |
| 0.1.17 | May 1, 2026 |
| 0.1.16 | Apr 24, 2026 |
| 0.1.14 | Apr 19, 2026 |
| 0.1.13 | Apr 19, 2026 |
| 0.1.12 | Apr 19, 2026 |
| 0.1.11 | Mar 30, 2026 |
| 0.1.10 | Mar 28, 2026 |
| 0.1.9 | Mar 28, 2026 |
| 0.1.8 | Mar 23, 2026 |
| 0.1.6 | Mar 22, 2026 |
| 0.1.4 | Mar 22, 2026 |
| 0.1.3 | Mar 21, 2026 |
| 0.1.0 | Nov 25, 2024 |
Frequently asked questions
- What is Pubchem MCP Server?
- PubChem chemical database access for compound search, properties, safety data, bioactivity, and cross-references.
- Who maintains Pubchem MCP Server?
- Pubchem MCP Server is maintained by cyanheads, which publishes 81 MCP servers (526 total versions) tracked on MCP Toplist.
- Is Pubchem MCP Server an official MCP server?
- Yes — Pubchem MCP Server is listed on the Official MCP Registry, alongside Glama and PulseMCP.
- How many versions does Pubchem MCP Server have?
- MCP Toplist tracks 16 versions of Pubchem MCP Server, most recently published on May 23, 2026.
- Where can I find the source code for Pubchem MCP Server?
- The source code for Pubchem MCP Server is hosted at github.com/cyanheads/pubchem-mcp-server.