A secure Model Context Protocol server for PostgreSQL with readonly, DML, and full access modes
A secure Model Context Protocol server for PostgreSQL with readonly, DML, and full access modes
A Model Context Protocol server for PostgreSQL with permission-based access modes. Choose how much database power the AI gets at install time.
query — Read-only SQL. Supports PostgreSQL ($1, $2) and MySQL-style (?) placeholders.connect_db — Optional runtime connection when PG_LOCK_CONNECTION=false and env vars are not set. Disabled by default when using env-based config.Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| connect_db |
{
"mcpServers": {
"postgres-readonly": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mcp-postgres-secure",
"--access-mode",
"readonly"
],
"env": {
"PG_HOST": "localhost",
"PG_PORT": "5432",
"PG_USER": "mcp_readonly",
"PG_PASSWORD": "YOUR_PG_PASSWORD",
"PG_DATABASE": "your_database",
"PG_LOCK_CONNECTION": "true"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| PG_HOST | Declared in the maintainer’s client configuration. | Check documentation |
| PG_PORT | Declared in the maintainer’s client configuration. | Check documentation |
| PG_USER | Declared in the maintainer’s client configuration. | Check documentation |
| PG_PASSWORD | Declared in the maintainer’s client configuration. | Check documentation |
| PG_DATABASE | Declared in the maintainer’s client configuration. | Check documentation |
| PG_LOCK_CONNECTION | Declared in the maintainer’s client configuration. | Check documentation |
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