Essential MCP Server Registry

A curated discovery engine for Model Context Protocol (MCP) servers: installation guides, security profiles and configuration snippets.

• INSTRUCTIONS
• TEMPLATE
• DOCS

Master List

Knowledge Retrieval

• Overview — Summary and recommendations for retrieval tools.
• Claude Desktop — Local-first connector for semantic search.
• Cursor — Streaming retrieval & developer UI.

Vector Stores

• Overview — Summary and guidance for vector databases.
• Pinecone — Managed vector DB.
• Qdrant — Open-source vector database for production.
• Milvus — Scalable vector store for large datasets.
• Weaviate — Schema-driven vector search engine.
• Chroma — Lightweight embedded vector DB.
• FAISS — Local similarity search library.
• Redis Stack — In-memory vector similarity with Redis Stack.

Data Stores

• Overview — Guidance for choosing a backing store.
• DuckDB (Local) — Local analytical DB for fast SQL queries.
• Postgres — Relational DB for metadata and schemas.
• CockroachDB — Distributed SQL for fault tolerance and geo.
• Supabase — Hosted Postgres + realtime/auth.
• ClickHouse — Columnar analytics DB.
• SQLite — Embedded SQL for local-first apps.

Search / Indexing

• Overview — Search engine tradeoffs and guidance.
• Elasticsearch — Full-text and vector hybrid search engine.
• Typesense — Lightweight, instant search engine.
• Vespa — Scalable, hybrid serving and ranking engine.

ML Servers

• Overview — Model serving and local inference notes.
• Jupyter Server — Notebook server for ML prototyping.
• Ollama — Local LLM hosting platform.
• Llama.cpp — Lightweight local LLM inference runtime.
• TensorFlow Serving — Production model serving for TF.

Infrastructure / Testing

• Overview — Infrastructure and testing tools overview.
• LocalStack — Local AWS emulator for integration testing.
• MinIO — Self-hosted S3-compatible object storage.
• Kafka — Distributed event streaming platform.

Quick Index

• Compact Index (quick reference) — Scannable table of entries with install hints.

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Contribution Guide

1. Read INSTRUCTIONS.md and TEMPLATE.md to follow the standard entry format.
2. Add your server under the recommended category and update this master list.
3. Run validations locally before opening a PR:
   • npm install
   • npm run validate (validates JSON snippets and configs)
   • npm run check-md (ensures required markdown sections are present)
   • npm test (runs both checks)
4. See CONTRIBUTING.md for detailed contribution steps and CI information.

Last updated: 2026-01-28