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Custom Connectors

Full read-write Claude connector for MySQL

Let Claude run scoped reads and controlled writes against your MySQL data

Stop hand-writing SQL in a client just to explore a table or fix a few rows. Claude queries your database in conversation, proposes the change the data implies, and runs writes only on credentials you scope, with destructive actions held for your approval.

MySQL is one of the most widely used open-source relational databases, powering app backends, analytics stores, and internal tools. People want Claude to do more than describe a schema: to run queries, inspect data, and make controlled writes against their own database.

What is a MySQL MCP server?

A MySQL MCP server is a small hosted service that exposes MySQL's data and actions to Claude over the Model Context Protocol, so Claude can records, tables, and queries inside your own account. We build it as a custom connector with separate read and write tools, and destructive actions stay gated behind your approval.

What can MySQL's current connector do today?

Today, there is no first-party Claude connector that reaches into a live MySQL database, and most databases sit behind a firewall or private network that a hosted connector cannot reach. A custom MySQL connector closes that gap with scoped database credentials, so Claude can query and make controlled writes through a path you actually allow.

What does full read-write MySQL access unlock?

Full read-write MySQL access lets Claude run parameterized queries, insert and update rows, adjust schema, and stage migrations against a database you control. The data exploration, cleanup, and routine changes that used to mean hand-writing SQL in a client happen in conversation, with every write reviewed before it runs.

  • Insert or update rows from data you describe, using parameterized statements
  • Run a SELECT to explore a table, then propose the change it implies
  • Apply a schema migration such as adding a column or index after you approve it
  • Bulk-correct or normalize values across a table within a single transaction
  • Generate and run a backfill query, showing affected row counts first
  • Export the result of a query for a report or downstream task

Can Claude query my MySQL database and explore the data?

Yes, Claude can query your MySQL database and explore the data through a custom connector with scoped credentials. It runs SELECT statements to inspect tables, describe schema, and check row counts, then proposes the change the results imply. Its reach never exceeds the privileges of the database user you provide.

Can Claude insert and update rows in MySQL?

Yes, Claude can insert and update rows in MySQL using parameterized statements through separate write tools. It can bulk-correct values across a table within a single transaction or run a backfill, showing affected row counts first. Every write is reviewed before it runs and stays within the credentials you grant.

Will Claude delete or drop tables in MySQL without confirmation?

No. Delete, drop, and other destructive statements are gated write actions held behind a confirmation step, and large updates surface affected row counts before running. Claude can prepare the statement, but it executes only after you approve. You decide which actions run automatically and which always require review.

How a MySQL connector works

We build a small MCP server that connects to MySQL with scoped database credentials and only the privileges the work needs. Read tools (query, describe schema) and write tools (insert, update, migrate) are separated, and destructive actions like delete, drop, or large updates require your confirmation. The connector never has more access than the database user you provide, and it can be reached through IP allowlisting or a private network path when your database sits behind a firewall.

Frequently asked questions

Can Claude run write queries against my MySQL database?
Yes, through a custom connector. It exposes separate write tools for insert, update, and schema changes, all using parameterized statements. There is no first-party Claude connector that writes to a live MySQL database, so a purpose-built MCP server is what gives Claude controlled write access scoped to credentials you provide.
How does Claude connect to a MySQL database behind a firewall?
The MCP server connects with the database credentials you supply and reaches your instance through a path you allow, such as IP allowlisting or a private network connection. Nothing is exposed publicly that you do not open. The connector inherits only the privileges of the database user it authenticates as, so its reach matches what you grant.
Will Claude delete or drop data without my confirmation?
No. Delete, drop, and other destructive statements are gated write actions held behind a confirmation step, and large updates surface affected row counts before running. Claude can prepare the statement, but it only executes after you approve. You decide which actions run automatically and which always require review.

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