Read-only SQL Server Analyst MCP — safe schema, stored procedure, and performance analysis.
Connect Runs on your machine
claude mcp add sql-server-analyst-mcp -e MSSQL_SERVER=<MSSQL_SERVER> -e MSSQL_PORT=<MSSQL_PORT> -e MSSQL_DATABASE=<MSSQL_DATABASE> -e MSSQL_USER=<MSSQL_USER> -e MSSQL_PASSWORD=<MSSQL_PASSWORD> -e MSSQL_ENCRYPT=<MSSQL_ENCRYPT> -e MSSQL_TRUST_SERVER_CERT=<MSSQL_TRUST_SERVER_CERT> -e ALLOWED_DATABASES=<ALLOWED_DATABASES> -e ALLOWED_SCHEMAS=<ALLOWED_SCHEMAS> -e MAX_ROWS=<MAX_ROWS> -e MAX_ROWS_LIMIT=<MAX_ROWS_LIMIT> -e QUERY_TIMEOUT_MS=<QUERY_TIMEOUT_MS> -e LOG_LEVEL=<LOG_LEVEL> -- npx -y [email protected]
{
"mcpServers": {
"sql-server-analyst-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"MSSQL_SERVER": "<MSSQL_SERVER>",
"MSSQL_PORT": "<MSSQL_PORT>",
"MSSQL_DATABASE": "<MSSQL_DATABASE>",
"MSSQL_USER": "<MSSQL_USER>",
"MSSQL_PASSWORD": "<MSSQL_PASSWORD>",
"MSSQL_ENCRYPT": "<MSSQL_ENCRYPT>",
"MSSQL_TRUST_SERVER_CERT": "<MSSQL_TRUST_SERVER_CERT>",
"ALLOWED_DATABASES": "<ALLOWED_DATABASES>",
"ALLOWED_SCHEMAS": "<ALLOWED_SCHEMAS>",
"MAX_ROWS": "<MAX_ROWS>",
"MAX_ROWS_LIMIT": "<MAX_ROWS_LIMIT>",
"QUERY_TIMEOUT_MS": "<QUERY_TIMEOUT_MS>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}
{
"mcpServers": {
"sql-server-analyst-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"MSSQL_SERVER": "<MSSQL_SERVER>",
"MSSQL_PORT": "<MSSQL_PORT>",
"MSSQL_DATABASE": "<MSSQL_DATABASE>",
"MSSQL_USER": "<MSSQL_USER>",
"MSSQL_PASSWORD": "<MSSQL_PASSWORD>",
"MSSQL_ENCRYPT": "<MSSQL_ENCRYPT>",
"MSSQL_TRUST_SERVER_CERT": "<MSSQL_TRUST_SERVER_CERT>",
"ALLOWED_DATABASES": "<ALLOWED_DATABASES>",
"ALLOWED_SCHEMAS": "<ALLOWED_SCHEMAS>",
"MAX_ROWS": "<MAX_ROWS>",
"MAX_ROWS_LIMIT": "<MAX_ROWS_LIMIT>",
"QUERY_TIMEOUT_MS": "<QUERY_TIMEOUT_MS>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}
{
"servers": {
"sql-server-analyst-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"MSSQL_SERVER": "<MSSQL_SERVER>",
"MSSQL_PORT": "<MSSQL_PORT>",
"MSSQL_DATABASE": "<MSSQL_DATABASE>",
"MSSQL_USER": "<MSSQL_USER>",
"MSSQL_PASSWORD": "<MSSQL_PASSWORD>",
"MSSQL_ENCRYPT": "<MSSQL_ENCRYPT>",
"MSSQL_TRUST_SERVER_CERT": "<MSSQL_TRUST_SERVER_CERT>",
"ALLOWED_DATABASES": "<ALLOWED_DATABASES>",
"ALLOWED_SCHEMAS": "<ALLOWED_SCHEMAS>",
"MAX_ROWS": "<MAX_ROWS>",
"MAX_ROWS_LIMIT": "<MAX_ROWS_LIMIT>",
"QUERY_TIMEOUT_MS": "<QUERY_TIMEOUT_MS>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
MSSQL_SERVERRequired | SQL Server hostname or FQDN (e.g. <name>.database.windows.net for Azure SQL). |
MSSQL_PORTOptional | TCP port (default 1433; set 0 for named instance with dynamic port). |
MSSQL_DATABASEOptional | Default database to connect to. Most tools also accept an override argument. |
MSSQL_USERRequired | SQL authentication login name. |
MSSQL_PASSWORDRequired, secret | SQL authentication password. Quote values containing '#' in .env files. |
MSSQL_ENCRYPTOptional | Encrypt the connection (true|false). Required true for Azure SQL. |
MSSQL_TRUST_SERVER_CERTOptional | Trust self-signed certificates (true|false). Use true only for local dev. |
ALLOWED_DATABASESOptional | Comma-separated allowlist of databases the server may access. Empty = unrestricted. |
ALLOWED_SCHEMASOptional | Comma-separated allowlist of schemas for schema tools. Empty = unrestricted. |
MAX_ROWSOptional | Default row limit per safe query (default 100). |
MAX_ROWS_LIMITOptional | Hard cap on query rows (default 1000). |
QUERY_TIMEOUT_MSOptional | Query execution timeout in milliseconds (default 30000). |
LOG_LEVELOptional | error | warn | info | debug (default info). |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 22 Apr 2026 |
| Last updated | 22 Apr 2026 |
| Registry name | io.github.coregentdevspace/sql-server-analyst-mcp |
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