Data & Databases MCP Servers

Interactive SQL CLI and MCP Server for SAP Datasphere

Self-learning vector database for Node.js — native HNSW, ONNX embeddings, GNN, attention, SONA routing, and an MCP server for agents

SquadRules MCP server for agent automation: persistent memory and deterministic workflow execution for AI agents and chats

The MCP tool factory (strict JSON Schema 2020-12 inputs, one validator, outcomes as kinds, write results, long tools) and the owner-by-link helpers for Kaperkunde's apps.

Development database snapshots and MCP server for SQLite, PostgreSQL, and MySQL/MariaDB.

Convert XML data with JSON, CSV, XLSX, HTML, TXT, PDF and YAML conversion workflows.

Drop-in replacement for @modelcontextprotocol/server-postgres that is actually read-only.

Secure MCP server for Elasticsearch integration with comprehensive tools and Elastic Cloud support

Runtime-composable UI: primitives, design-system recipes and TSX widgets that change an app's UI without a deployment.