What is the SQL MCP server?
Read-only SQL querying + schema introspection over Postgres & SQLite, with a gated write mode.
How to install SQL
Copy-paste configuration for popular MCP clients.
DB_CONN_defaultsecretConnection URL for the 'default' connection (postgres://… or sqlite:/abs/path). Additional connections use DB_CONN_<name>. Carries credentials — treated as secret.
DB_WRITABLESet to 1 or true to enable the write tools (execute, execute_script).
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