Alexandria

- Philosophy:Aristotle, Plato, Kant, Hegel, Nietzsche, Schopenhauer, Descartes, Spinoza, Locke, Hume, Mill, Wittgenstein, Aquinas, Augustine, Leibniz, Rousseau, Voltaire, Marx, and hundreds more
- Topics:Ethics, metaphysics, epistemology, logic, political philosophy, theology, stoicism, neoplatonism, existentialism, history of ideas
- Languages:English, German, Latin, French, Italian, Greek, Russian

claude mcp add --transport http alexandria https://alexandria.aidatanorge.no/mcp

{ "mcpServers": { "alexandria": { "type": "http", "url": "https://alexandria.aidatanorge.no/mcp" } } }

Search the collection using natural language. Uses hybrid dense+sparse retrieval with cross-encoder reranking.

- "Nietzsche will to power eternal recurrence"
- "Kantian categorical imperative duty"
- "Platonic theory of forms and the Good"
- "Stoic virtue and the sage"
- "Hegel dialectics spirit history"

Each result includes:title,creator,date,language,subject,text(chunk),rerank_score,vector_score.

curl -X POST https://alexandria.aidatanorge.no/mcp \ -H "Content-Type: application/json" \ -H "Accept: application/json, text/event-stream" \ -d '{ "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "search_texts", "arguments": { "query": "Kantian categorical imperative duty ethics", "author": "Kant", "limit": 3 } } }'

List books in the collection filtered by author, subject or language.

curl -X POST https://alexandria.aidatanorge.no/mcp \ -H "Content-Type: application/json" \ -H "Accept: application/json, text/event-stream" \ -d '{ "jsonrpc": "2.0", "id": 2, "method": "tools/call", "params": { "name": "get_book_list", "arguments": {"author": "Plato", "language": "eng"} } }'

- philosopher_analysis(philosopher)— deep dive into a philosopher's key ideas
- topic_exploration(topic)— explore a topic across multiple thinkers
- compare_philosophers(philosopher_a, philosopher_b, topic)— compare two philosophers on a specific topic

Archive.org (13,000+ books) ↓ Text extraction + chunking ↓ Qdrant (4.6M vectors) ↓ Hybrid search: intfloat/multilingual-e5-large (dense) + Qdrant/bm25 (sparse) ↓ Cross-encoder reranking: mmarco-mMiniLMv2-L12-H384-v1 ↓ FastMCP 3.2 over HTTP

Requires a running Qdrant instance with thealexandriacollection populated.

pip install -r requirements.txt python alexandria_mcp_server.py # Server starts at http://localhost:8005/mcp

QDRANT_HOST=localhost QDRANT_PORT=6333 MCP_PORT=8005

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