Official
Google's open-source MCP server for databases: ready tools for Postgres, MySQL, BigQuery, Spanner and more, plus custom tools in tools.yaml
MCP servers
An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. This section lists servers with their transport, auth method and environment variables, an install command and an honest read on the risks.
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Official
The official MathWorks MCP server: the agent starts and quits MATLAB, writes and runs code, and checks it for errors and style
Official
Official MongoDB MCP server: queries and aggregations, index management, Atlas clusters and local deployments
Official
Neon's official remote MCP server: projects, branches, SQL queries and Postgres migrations from your agent
Official
Redis's official MCP server: strings, hashes, streams, JSON and vector search from your agent
Official YDB MCP server
YDB MCP
YDB's own official MCP server from the database's developers: parameterized SQL queries, execution plans, directory browsing, and a base for custom servers
Official
A desktop SQL workspace with a built-in MCP server: the agent reads the schema and runs queries in the same client you already use
Official
A lightweight database workspace with an MCP server: the agent reads the schema, runs queries and explores data in PostgreSQL, MySQL and more
GraphJin MCP
GraphJin
GraphJin's MCP server gives an agent safe, schema-aware access to SQL and MongoDB instead of raw database credentials
Official
Datalayer's MCP server for Jupyter: the agent opens notebooks, edits cells and runs code in a live JupyterLab session
Official
Confluent MCP server for Kafka: topics, messages, Flink SQL, Schema Registry and connectors
Official
Official Pinecone MCP server: documentation search, index creation, record upserts and search from your agent
Official
Official Apache IoTDB MCP server: SQL over time series in tree and table models, with CSV and Excel export
Frequently asked questions
What is an MCP server?
An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. The agent calls its tools while it works.
How do I connect an MCP server to an agent?
The entry lists how to run it (npx, uvx, docker or a remote URL) and the environment variables. A config snippet goes into the agent settings.
Do I need a key or a paid account?
It depends on the server. Each entry states the auth method and requirements, including paid accounts, in the limitations block.