This server resolves patent publication numbers to their canonical DOCDB (European Patent Office) identifiers. Specifically, you can:
Look up patent records by providing a two-letter country code (e.g., US, EP, WO) and a publication number (without kind code) to retrieve canonical DOCDB records
Normalize DOCDB IDs — returns the canonical DOCDB ID including the kind code suffix (e.g., US8000000B2), useful for normalizing patents cited in varying formats
Get first inventor names (in caps) to verify matches against citations like "Greenberg et al."
Get publication dates (in YYYYMMDD format) to cross-reference patents cited with year references
Retrieve patent family IDs to identify related patent documents across jurisdictions
Handle multiple document variants — if a publication number has both A1 and B2 versions, all matching records are returned so the correct one can be selected
Receive structured error guidance via error codes (e.g., cc_does_not_exist, number_is_not_alnum) to help correct malformed inputs
Note: Leading zeros in the number are ignored automatically; strip kind codes, hyphens, spaces, and slashes before calling. An empty result means no match was found, not an error.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@docdb-mcp resolve US patent 8,000,000 to DOCDB"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
An MCP server that resolves patent publication numbers to their canonical DOCDB identifiers.
Given a country code and publication number, resolve_docdb_id returns candidate
records with canonical DOCDB ID (including kind code), first inventor, publication
date, and family ID. This is useful for asserting that DOCDB identifiers are
correct, or for recovering properly normalized DOCDB identifiers from
citations that appear in different formats across documents:
US 8,000,000 (Greenberg) → US8000000B2
Related MCP server: patent-mcp
A public MCP server is available at https://docdb.sarl-graip.fr/mcp using the
streamable HTTP transport. Configure your MCP client to point at it directly:
{
"mcpServers": {
"docdb": {
"type": "streamable-http",
"url": "https://docdb.sarl-graip.fr/mcp"
}
}
}No API key or credentials required.
Add this to your MCP client configuration (Claude Desktop, Continue, Cursor, etc.):
{
"mcpServers": {
"docdb": {
"command": "uvx",
"args": ["docdb-mcp"],
"env": {
"DOCDB_API_URL": "https://docdb.sarl-graip.fr"
}
}
}
}uvx installs and runs the package in one step — no virtualenv needed.
resolve_docdb_id(cc, number)Parameter | Type | Description |
|
| Two-letter DOCDB country code, e.g. |
|
| Publication number without kind code, e.g. |
Strip the kind code before calling. The kind code is the trailing letter+digit suffix (B2, A1, A2, U1). Passing it returns an empty list, not an error.
"US8000000B2" → cc="US", number="8000000"
"EP1234567A1" → cc="EP", number="1234567"
"US 8,000,000" → cc="US", number="8000000"Returns a list of records (empty list = no match):
[
{
"docdb_id": "US8000000B2",
"inventor": "ROBERT J. GREENBERG",
"date_publ": "20110816",
"family_id": "39183031"
}
]Multiple records mean the same publication number has several document variants (e.g. an A1 and a B2 of the same application).
MIT
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