Alexandria MCP Server

io.github.The-40-Thieves/alexandria-mcp

Repository Registry

What is the Alexandria MCP server?

Search, read, and cite across 152 libraries: 11 tools, 3 prompts, and a full-text resource.

How to install Alexandria

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

OPENAI_API_KEY
secret
OpenAI key for routing (library_ask), synthesis (library_answer, library_research), and embeddings (library_ingest). Search and read tools work without it.
ALEXANDRIA_BASE_URL
OpenAI-compatible gateway base URL shared by every LLM role (router, synth, research, embeddings, rerank). Falls back to https://api.openai.com/v1.
ALEXANDRIA_API_KEY
secret
API key paired with ALEXANDRIA_BASE_URL. Falls back to OPENAI_API_KEY.
CORE_API_KEY
secret
Unlocks the core source (CORE, 57M+ open access papers). Free key from core.ac.uk/services/api.
COURTLISTENER_API_KEY
secret
Unlocks the courtlistener source (US federal and state court opinions). Free key from courtlistener.com.
GOVINFO_API_KEY
secret
Unlocks govinfo (Congressional Record, Federal Register, US Code); also accepted by congress and regulations. Free key from api.data.gov.
GOOGLE_BOOKS_API_KEY
secret
Unlocks the googlebooks source (40M+ books). Free key from the Google Cloud Console (Books API).
GITHUB_TOKEN
secret
Unlocks githubsearch and githubmcp (GitHub code search); optional for ghsa and openiti. Public-repo read scope is enough.
NASA_ADS_API_KEY
secret
Unlocks the nasaads source (NASA Astrophysics Data System). Free key from ui.adsabs.harvard.edu.
EUROPEANA_API_KEY
secret
Unlocks the europeana source (50M+ European cultural heritage items). Free key from apis.europeana.eu.
SEMANTIC_SCHOLAR_API_KEY
secret
Optional for semanticscholar and library_recommend; raises the rate limit. Free key from semanticscholar.org/product/api.

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "alexandria-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@the-40-thieves/alexandria-mcp"
      ],
      "env": {
        "OPENAI_API_KEY": "<YOUR_OPENAI_API_KEY>",
        "ALEXANDRIA_BASE_URL": "<YOUR_ALEXANDRIA_BASE_URL>",
        "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>"
      }
    }
  }
}

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