Alexandria MCP Server

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

Local serverstdio

What is the Alexandria MCP Server?

Alexandria is an MCP integration. Search, read, and cite across 152 libraries: 11 tools, 3 prompts, and a full-text resource.

Packages and local setup

The published npm package is @the-40-thieves/alexandria-mcp, version 11.0.0. Its declared MCP transport is stdio.

The package declares OPENAI_API_KEY: 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: API key paired with ALEXANDRIA_BASE_URL. Falls back to OPENAI_API_KEY.; CORE_API_KEY: Unlocks the core source (CORE, 57M+ open access papers). Free key from core.ac.uk/services/api.; COURTLISTENER_API_KEY: Unlocks the courtlistener source (US federal and state court opinions). Free key from courtlistener.com.; GOVINFO_API_KEY: Unlocks govinfo (Congressional Record, Federal Register, US Code); also accepted by congress and regulations. Free key from api.data.gov.; GOOGLE_BOOKS_API_KEY: Unlocks the googlebooks source (40M+ books). Free key from the Google Cloud Console (Books API).; GITHUB_TOKEN: Unlocks githubsearch and githubmcp (GitHub code search); optional for ghsa and openiti. Public-repo read scope is enough.; NASA_ADS_API_KEY: Unlocks the nasaads source (NASA Astrophysics Data System). Free key from ui.adsabs.harvard.edu.; EUROPEANA_API_KEY: Unlocks the europeana source (50M+ European cultural heritage items). Free key from apis.europeana.eu.; SEMANTIC_SCHOLAR_API_KEY: Optional for semanticscholar and library_recommend; raises the rate limit. Free key from semanticscholar.org/product/api..

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository. This profile uses version 11.0.0 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

Browse related other integrations MCP servers for tools that cover the same kind of work.

Configuration

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