Open Library search authors API

Author matches on Open Library, with birth and death dates, top work and reading counts.

Ask your agent

“Call openlibrary/search/authors with query open source and summarize what comes back.”

Works in any MCP client connected to https://data.openkrill.app/mcp. Install in one line.

Path: openlibrary/search/authors
MCP tool: call_endpoint
Credits: 5
Cache: 2 min

Parameters

querystring, required	Author name or partial name
limitinteger, optional	1-50, default 10

Response

data.resources[] uses the same keys as every other platform: author, engagement, metadata, with Open Library-only fields under extras. A failed upstream call is never billed.

More Open Library tools

MCP tool call

{
  "name": "call_endpoint",
  "arguments": {
    "path": "openlibrary/search/authors",
    "params": {
      "query": "open source"
    }
  }
}

curl

curl "https://data.openkrill.app/v1/openlibrary/search/authors?query=open+source" \
  -H "x-api-key: YOUR_API_KEY"

Response

{
  "success": true,
  "platform": "openlibrary",
  "endpoint": "openlibrary/search/authors",
  "data": {
    "resources": [
      { "id": …, "title": …, "text": …, "url": …,
        "author": {…}, "engagement": {…},
        "metadata": {…}, "extras": {…} }
    ]
  },
  "credits_used": 5,
  "cached": false
}