A set of instructions for building MCP servers, which let AI assistants use external tools and data. It covers server setup, communication, feature registration, web-framework integration, authentication, and state handling.
MCP server exposing Postgres, Redis, Elasticsearch, MySQL, MongoDB, and LDAP as tools, with lazy connection management, retry, circuit breaking, per-connection read-only mode, and optional database drivers. Runs locally from the mcp-server-db npm package.