One question searched in science, world news, Internet Archive, GitHub and discussions. Free.
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Search one question at once in sources a normal web search misses: science (arXiv, Crossref), world news in 100+ languages of the last 3 months (GDELT), Internet Archive, GitHub, Wikipedia, and what people say (Bluesky, Mastodon, Lemmy, Hacker News, forums). Results grouped by source, dated, with links. Use when: you need rich, hard-to-find, sourced information on a subject. Example: {"query":"agentic commerce paid placement","sources":["science","news"],"lang":"en"}
The subject, any language (sources search it as written)
Optional 2-letter language for news, Wikipedia and discussions, e.g. fr, ja, ru
Optional subset; default: all
Search one question at once in sources a normal web search misses: science (arXiv, Crossref), world news in 100+ languages of the last 3 months (GDELT), Internet Archive, GitHub, Wikipedia, and what people say (Bluesky, Mastodon, Lemmy, Hacker News, forums). Results grouped by source, dated, with links. Use when: you need rich, hard-to-find, sourced information on a subject. Example: {"query":"agentic commerce paid placement","sources":["science","news"],"lang":"en"}
| Argument | Type | Description |
|---|---|---|
| lang | string | Optional 2-letter language for news, Wikipedia and discussions, e.g. fr, ja, ru |
| query* | string | The subject, any language (sources search it as written) |
| sources | array | Optional subset; default: all |
| limit_per_source | integer |
{
"type": "object",
"required": [
"query"
],
"properties": {
"lang": {
"type": "string",
"description": "Optional 2-letter language for news, Wikipedia and discussions, e.g. fr, ja, ru"
},
"query": {
"type": "string",
"description": "The subject, any language (sources search it as written)"
},
"sources": {
"type": "array",
"items": {
"enum": [
"science",
"news",
"archives",
"code",
"wikipedia",
"people"
],
"type": "string"
},
"description": "Optional subset; default: all"
},
"limit_per_source": {
"type": "integer",
"default": 5,
"maximum": 10,
"minimum": 1
}
}
}The sources searched by deep_search and what each one covers.
No arguments.
{
"type": "object",
"properties": {}
}