Databases

Local-first persistent memory MCP server with PARA + Zettelkasten + SQLite FTS5

MCP server for AI context optimization — AST-aware code indexing, tiered compaction, FTS5 search, dependency graphs, and LRU caching to minimize token usage.

MCP server for WordPress database access via Local by Flywheel

Universal AI API Orchestrator — 1554 tools, 96 services, portable AI Brain bundles + machine-bound vault encryption + Application Engine. The most comprehensive MCP server available. Free and open source from 0nORK.

Personal Knowledge Brain for developers — MCP server with typed neurons, hybrid search (FTS5 + vector), knowledge graph, vault encryption, time-travel history, and spaced repetition. 100% local, SQLite-based.

MCP server for interacting with MySQL databases with write operations support (modified from @benborla29/mcp-server-mysql)

MCP server for interacting with MySQL databases based on Node

MCP server for interacting with MySQL databases based on Node

MCP server for safe shell, file, database, git, and HTTP access. Every operation validated against per-agent permission rules. Powered by AgentsID.

MCP server for executing MS SQL Server queries via MCP protocol

MCP server for interacting with PostgreSQL databases based on Node

Official BoltPatternHQ MCP Server for instant automotive wheel fitment, PCD (Pitch Circle Diameter), center bore, thread size, and offset data query.

Governed local-first memory for coding agents

Load-aware migration safety for the AI-agent era. Ballast keeps prod stable when your agent ships a migration.

Six-layer agent memory for the DeepSeek Harness: identity / behavior / cognitive / information / experience / skill layers plus working memory, backed by per-workspace SQLite (FTS5 + vector) with behavior-rule enforcement, LLM consolidation, skill & exper

Self-hosted feedback loops for Agent skills: report corrections, monitor usage, open upgrade PRs, and sync skills locally.

Self-hosted read-only database gateway for MCP-compatible AI tools

MCP server for knowledge base with Mastra.ai and pgvector

An MCP server for logging daily activities, generating reports, and long-term reflection.

Shared team memory for AI coding agents — MCP server and CLI for persistent, queryable knowledge across sessions and teammates