Databases MCP servers

Snowflake MCP Server

nsphung

A Snowflake MCP server — SQL queries, schema exploration, and data insights for AI assistants

MySQL (read-only, switchable)

shibbirweb

Read-only MySQL access, with the database and server switchable mid-conversation.

Astra DB

erichare

Astra DB tools for agents: schema, find, vector search, guarded writes, and interactive views.

Devart MCP Server for SQLite (ADO.NET)

devart-ai-connectivity

Schema-aware read/write access to SQLite through Devart dotConnect ADO.NET data provider.

Devart MCP Server for PostgreSQL (ADO.NET)

devart-ai-connectivity

Schema-aware read/write access to PostgreSQL through Devart dotConnect ADO.NET data provider.

Devart MCP Server for MySQL (ADO.NET)

devart-ai-connectivity

Schema-aware read/write access to MySQL through Devart dotConnect ADO.NET data provider.

SQLite MCP

mrfentmen

Zero-dependency SQLite MCP on node:sqlite: queries, writes, tables, schemas.

Phpray

stephen1137

Ask an agent why a PHP site is slow: every request with its SQL, HTTP calls, errors and N+1.

sqlglass

S-CurveLabs

SQL Server / Azure SQL for agents: real schema, lint, read-only runs, plans, write previews.

BigQuery Data Platform

deBilla

Read-only BigQuery tools for plain-language data questions, with a cost gate on every query

Fauna MCP

mrfentmen

MCP server for Fauna: collections, FQL queries. Needs a database secret.

Weaviate MCP

mrfentmen

MCP server for Weaviate: collections, objects, GraphQL search. Works with any instance.

Surrealdb MCP

mrfentmen

MCP server for SurrealDB: version check, SQL queries. Works with any instance.

Leetcode MCP

mrfentmen

LeetCode problem database: list problems by difficulty, search by title.

Pbdb MCP

mrfentmen

Fossil occurrences and taxa from the Paleobiology Database. No key required.

SQL Formatter MCP

mrfentmen

Format SQL queries into readable layouts locally. No network and no key.

Mac Lookup MCP

mrfentmen

Look up the vendor of a MAC address from the MAC Vendors database. No key required.

Contract Diff MCP

mrfentmen

Aggregate local contract snapshot changes without exposing schema contents. Tools include...

ClickHouse

ClickHouse

Official ClickHouse MCP server for querying and exploring ClickHouse clusters and chDB.

Agent Experience Network Live Preflight

solargptnz-dev

Check public MCP reachability, protocol handshake, auth and tool schemas before connecting.

Bouncer Gates

ajeermahmood

Stops secrets, cross-tenant queries and unsafe migrations before they merge.

ClickHouse

alyiox

Read-only MCP server for ClickHouse metadata, parameterized queries, and plan analysis.

health4ai

jefflitt1

Query your Apple Health data from your own Supabase/Postgres via local MCP.

SQL Card Data Lint

jmshinhwa

Names every column, index, view and seed row in a .sql migration that stores card data, with its PCI