PatentsView-compatible US patent API: claim trees, patent briefs and search, grants 1976 to now.
Connect Runs on your machine
claude mcp add patentref-mcp -e PATENTREF_API_KEY=<PATENTREF_API_KEY> -e PATENTREF_BASE=<PATENTREF_BASE> -- uvx patentref-mcp==0.4.1
{
"mcpServers": {
"patentref-mcp": {
"command": "uvx",
"args": [
"patentref-mcp==0.4.1"
],
"env": {
"PATENTREF_API_KEY": "<PATENTREF_API_KEY>",
"PATENTREF_BASE": "<PATENTREF_BASE>"
}
}
}
}
{
"mcpServers": {
"patentref-mcp": {
"command": "uvx",
"args": [
"patentref-mcp==0.4.1"
],
"env": {
"PATENTREF_API_KEY": "<PATENTREF_API_KEY>",
"PATENTREF_BASE": "<PATENTREF_BASE>"
}
}
}
}
{
"servers": {
"patentref-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"patentref-mcp==0.4.1"
],
"env": {
"PATENTREF_API_KEY": "<PATENTREF_API_KEY>",
"PATENTREF_BASE": "<PATENTREF_BASE>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
PATENTREF_API_KEYRequired, secret | A PatentRef API key (a free key at https://patentref.io/api/v1/meta/signup/) |
PATENTREF_BASEOptional | The API's scheme and host (default https://patentref.io) |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 11 Nov 2026 |
| Last updated | 11 Nov 2026 |
| Registry name | io.github.patentref/patentref-mcp |
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