MCP Server Directory

Neo4j-native DIKW memory for Claude Code — knowledge that compounds across sessions

Database management — query, schema inspection, migrations for PostgreSQL, MySQL, SQLite.

Portable agent memory anchored on Solana. Local SQLite + vector recall, open export.

data co.thinair/data

Read-only PostgreSQL, MySQL, SQL Server access via MCP — 24 dialect-aware hosted tools.

Cloudgate Workflow dev.cloudgate/workflow

Build and manage Cloudgate workflow-APIs: controllers, actions, workflow graphs, and databases.

alpacacloud-mcp io.github.Melgencer/alpacacloud-mcp

Connect AI agents to Alpaca Cloud: Postgres, Auth, Storage, Sandboxes, and Workflows.

CloudQuery MCP server for asset inventory data. Supports CLI, PostgreSQL, and Platform modes.

Connect Redash to Claude -- query data, manage dashboards, and run SQL with natural language.

Persistent memory for AI coding agents. Local-first SQLite + vector search. 17 MCP tools.

MCP server for database connectivity. Multi-DB (PostgreSQL, MySQL, SQLite), 19 tools.

AgentBuilders io.github.sirarchiemccarthy-oss/agentbuilders

Deploy full-stack web apps with database, file storage, auth, and RBAC via a single API call.

MCP server for AlphaFold and 8 other biomedical data sources with a local SQLite knowledge graph

Rule-tiered AST and sqlite-vec capability oracle for A-MEM agent workflows.

An MCP server that provides access to the ColabFit database

PostgreSQL MCP server for schema, query, health, security, and performance analysis.

Persistent, zero-dependency AI memory using SQLite. Local-first, cross-tool portable.

Read-only SQL Server Analyst MCP — safe schema, stored procedure, and performance analysis.

QueryBear io.github.spencerpauly/querybear

Safe, read-only Postgres and MySQL access for AI agents. Audit log + column-level controls.

MCP server for local SQLite database operations

tmpstate dev.tmpstate/tmpstate

Zero-key temporary JSON database for agents: one tool call, no signup, no OAuth, no API keys.

Query a folder of CSV / Parquet / JSON files with SQL — one queryable source, read-only.

Ask any SQL database in natural language. Agent explores schema, writes SQL, self-corrects.

Jira-like project tracker for AI agents with SQLite, full task hierarchy, and dashboard

Durable causal memory for AI agents — semantic recall, causal lineage, and skills. Local-first.