Alexandria
io.github.The-40-Thieves/alexandria-mcp
Search, read, and cite across 152 libraries: 11 tools, 3 prompts, and a full-text resource.
Connect this server
Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.
{
"mcpServers": {
"alexandria-mcp": {
"command": "npx",
"args": [
"-y",
"@the-40-thieves/alexandria-mcp@11.0.0"
],
"env": {
"OPENAI_API_KEY": "<your OPENAI_API_KEY>",
"ALEXANDRIA_API_KEY": "<your ALEXANDRIA_API_KEY>",
"CORE_API_KEY": "<your CORE_API_KEY>",
"COURTLISTENER_API_KEY": "<your COURTLISTENER_API_KEY>",
"GOVINFO_API_KEY": "<your GOVINFO_API_KEY>",
"GOOGLE_BOOKS_API_KEY": "<your GOOGLE_BOOKS_API_KEY>",
"GITHUB_TOKEN": "<your GITHUB_TOKEN>",
"NASA_ADS_API_KEY": "<your NASA_ADS_API_KEY>",
"EUROPEANA_API_KEY": "<your EUROPEANA_API_KEY>",
"SEMANTIC_SCHOLAR_API_KEY": "<your SEMANTIC_SCHOLAR_API_KEY>"
}
}
}
}- OPENAI_API_KEYsecretOpenAI key for routing (library_ask), synthesis (library_answer, library_research), and embeddings (library_ingest). Search and read tools work without it.
- ALEXANDRIA_API_KEYsecretAPI key paired with ALEXANDRIA_BASE_URL. Falls back to OPENAI_API_KEY.
- CORE_API_KEYsecretUnlocks the core source (CORE, 57M+ open access papers). Free key from core.ac.uk/services/api.
- COURTLISTENER_API_KEYsecretUnlocks the courtlistener source (US federal and state court opinions). Free key from courtlistener.com.
- GOVINFO_API_KEYsecretUnlocks govinfo (Congressional Record, Federal Register, US Code); also accepted by congress and regulations. Free key from api.data.gov.
- GOOGLE_BOOKS_API_KEYsecretUnlocks the googlebooks source (40M+ books). Free key from the Google Cloud Console (Books API).
- GITHUB_TOKENsecretUnlocks githubsearch and githubmcp (GitHub code search); optional for ghsa and openiti. Public-repo read scope is enough.
- NASA_ADS_API_KEYsecretUnlocks the nasaads source (NASA Astrophysics Data System). Free key from ui.adsabs.harvard.edu.
- EUROPEANA_API_KEYsecretUnlocks the europeana source (50M+ European cultural heritage items). Free key from apis.europeana.eu.
- SEMANTIC_SCHOLAR_API_KEYsecretOptional for semanticscholar and library_recommend; raises the rate limit. Free key from semanticscholar.org/product/api.
A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.
- Category
- Developer Tools
- Version
- 11.0.0
- Registry
- active
- Published
- 9/5/2026
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Add the badge to your site
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HTML — for your website
<a href="https://serverdex.io/server/io-github-the-40-thieves-alexandria-mcp?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Alexandria — listed on Serverdex" width="123" height="40" loading="lazy"></a>Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.
Markdown — for your README
[](https://serverdex.io/server/io-github-the-40-thieves-alexandria-mcp?utm_source=badge)Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.