max_age_hours
24
How to use it
max_age_hours is exposed by the Free Search MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the max_age_hours tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
Install Free Search MCP
claude mcp add search -- uvx free-search-mcp # Claude CodeOther tools in Free Search MCP (28)
AnySearch
keyless Bilibili (哔哩哔哩) video search via the public
, baidu — intermittent challenges to headless clients.
Brave Search API
news / pdf / github / paper / forum / blog
zenodo
["pinterest.com"]
"beginner"
stackexchange, hackernews
day / week / month / year
github (repos + issues/PRs), githubcode (needs a token)
GitHub
keyless Google web SERP scrape (HTTP first, Playwright
Google Custom Search
openverse
["python.org", "djangoproject.com"]
"async"
googlenews, gdelt
book search over the Internet Archive catalogue.
arxiv, openalex, crossref, pubmed
meta-search proxy via public SearXNG instances; included for
Serper (Google)
, so360 — Chinese web indexes, HTML scrapes, best-effort like
Stack Apps (key optional)
browser-rendered (~5-10s/query); good for hard-to-reach
Tavily (AI search)
encyclopedia search; language follows SEARCHMCPREGION.
best-effort keyless Zhihu (知乎) search. Zhihu's