Database Management Listings
Compare the best open-source listings for database management. SQL, vector stores and data access. Ranked by GitHub stars, with install commands, what each one can touch and scan reports where available.
AgentPoison
[NeurIPS 2024] Official implementation for "AgentPoison: Red-teaming LLM Agents via Memory or Knowledge Base Backdoor Poisoning"
PerformanceStudio
Free, open-source SQL Server execution plan analyzer — cross-platform GUI + CLI with 30 analysis rules, missing index detection, SSMS extension. Built-in MCP server for AI-assisted plan review.
Langgraph Redis
Redis checkpointer and store for memory management in LangGraph
Xiyan MCP Server
A Model Context Protocol (MCP) server that enables natural language queries to databases
Langchain Data Agent
NL2SQL - Ask questions in plain English, get SQL queries and results. Powered by LangGraph.
Persistent AI Memory
A persistent local memory for AI, LLMs, or Copilot in VS Code.
Claude Db
Free, open-source memory for Claude Code. Your own database, no cloud, no subscription.
Remnic
Open-source memory and context for user-aware agents: scoped memory, provenance, retrieval quality, correction, boundaries, evals, and MCP/HTTP access.
Omega Memory
Persistent memory for AI coding agents
LeanKG
LeanKG: Stop Burning Tokens. Start Coding Lean.
Airbroke
🔥 Lightweight, Airbrake/Sentry-compatible, PostgreSQL-based Open Source Error Catcher
ClawMem
On-device memory layer for AI agents. Claude Code, OpenClaw and Hermes. Hooks + MCP server + hybrid RAG search.
Mengram
Human-like memory for AI agents — semantic, episodic & procedural. Experience-driven procedures that learn from failures. Free API, Python & JS SDKs, LangChain, CrewAI & OpenClaw integrations.
Mneme
🧠 The memory that dreams — cross-session memory for DeepSeek Harness. Local SQLite + Markdown mirrors, autoDream consolidation, 4-way recall (keyword/vector/BM25/entity), and a memory panel. 10 model tools, MCP server, CLI.
Pad
Project Management for the agent era
MCP Server Starrocks
StarRocks MCP (Model Context Protocol) Server
Friday Showcase
Friday — A 24/7 AI Assistant Built Entirely on Claude Code. A Tiny Moon Labs product (tinymoonlabs.com).
Mind
Persistent local memory for AI coding agents. Preserve decisions and project context across sessions, compaction, and tools.
Www Project Agent Memory Guard
Runtime defense against memory poisoning in AI agents (OWASP ASI06). Drop-in for LangChain, OpenAI Agents, AutoGen, CrewAI and mem0.
Context Sync
Local persistent memory store for LLM applications including continue.dev, cursor, claude desktop, github copilot, codex, antigravity, etc.
Samyama Graph
Rust graph-vector database: OpenCypher (99.9% of evaluated TCK scenarios pass), vector search, graph algorithms, RESP + HTTP. LDBC SNB Interactive and BI complete; 1B edges on one machine.
PRD Driven Context Engineering
PRD-Led Context Engineering — Memory as Infrastructure. An ontology layer for product teams building products that solve real problems — with AI agents that remember. Gated PRD, typed IDs, markdown knowledge graph, Claude Code skills & hooks.
Schemagate
Text-to-SQL access control: schema selection that gives the LLM only the tables the caller is allowed to read. Row-level-security-aware table pruning for LangChain, MCP and any SQL agent. Postgres, Oracle, MySQL, SQL Server. 75% fewer prompt tokens.
Salt Md
The open-source workspace for people and AI agents. Docs, databases and realtime collaboration with an MCP server in the same binary, so agents work in the same workspace on the same permissions. One Go binary, one SQLite file, self-hosted.
List refreshed November 15, 2026. Data comes from public GitHub repositories.