Postgres MCP Pro
MCP server by Crystal DBA
Consulta PostgreSQL, optimiza índices, revisa planes de ejecución y haz chequeos de salud con acceso configurable de solo lectura o lectura y escritura.
Install Postgres MCP Pro
Runs on your machine. Your client starts it with this command:
Needs uv (Python) on your computer. The setup steps below show where the command goes in each client.
Share this server
Opens this page, with the install command and setup steps.
mcp.tc/i/postgresAbout
Postgres MCP Pro conecta un asistente de IA a una base de datos PostgreSQL. Cubre la ejecución de SQL, la exploración del esquema, la revisión de planes EXPLAIN con simulación de índices hipotéticos, el ajuste de índices para una carga de trabajo y chequeos de salud de la base de datos, como salud de índices, uso de conexiones, caché de búfer, vacuum, límites de secuencias y retraso de replicación.
Se ejecuta localmente por stdio (también admite SSE), iniciado con uvx o Docker. Necesita una cadena de conexión DATABASE_URI en el entorno. El modo de acceso se define con --access-mode: unrestricted permite lectura y escritura, y restricted limita a transacciones de solo lectura con un límite de tiempo de ejecución.
What you can do
- Ejecutar SQL en PostgreSQL con modos de acceso restringido o sin restricciones
- Revisar planes EXPLAIN y simular índices hipotéticos
- Recomendar índices para una carga de trabajo
- Comprobar la salud de índices, vacuum, caché y retraso de replicación
- Inspeccionar el esquema para generar SQL con contexto
Tools
Local servers list their tools once they’re running, and this one doesn’t publish its list in advance. Your client shows them after you add it.
Example prompts
Haz un chequeo de salud de mi base de datos Postgres
¿Por qué es lenta esta consulta? Muestra el plan de ejecución y sugiere índices
Lista las tablas de mi base de datos y describe su esquema
Recomienda índices para mis consultas más frecuentes
Set up
Every client starts Postgres MCP Pro on your machine with the same command. Pick yours; the page remembers your choice.
Claude Code
- Run this in a terminal, in your project folder:
claude mcp add --transport stdio postgres -- uvx postgres-mcp --access-mode=restricted- Start Claude Code and type
/mcp. postgres should show as connected.
Add --scope user to make it available in every project.
Claude Desktop
- Open Settings → Developer → Edit Config. It opens
claude_desktop_config.json. Add:
{
"mcpServers": {
"postgres": {
"command": "uvx",
"args": [
"postgres-mcp",
"--access-mode=restricted"
]
}
}
}- Save the file and restart Claude Desktop.
Needs uv (Python) on your computer. The file lives in ~/Library/Application Support/Claude/ on macOS and %APPDATA%\Claude\ on Windows.
Cursor
Add to Cursor (opens in a new tab)
Or add it by hand to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project):
{
"mcpServers": {
"postgres": {
"command": "uvx",
"args": [
"postgres-mcp",
"--access-mode=restricted"
]
}
}
}Needs uv (Python) on your computer.
VS Code
Install in VS Code (opens in a new tab)
Or from a terminal:
code --add-mcp '{"name":"postgres","type":"stdio","command":"uvx","args":["postgres-mcp","--access-mode=restricted"]}'Or commit it to the repo in .vscode/mcp.json:
{
"servers": {
"postgres": {
"type": "stdio",
"command": "uvx",
"args": [
"postgres-mcp",
"--access-mode=restricted"
]
}
}
}Needs uv (Python) on your computer.
Devin Desktop
- Add it to
~/.config/devin/mcp_config.json(macOS and Linux) or%APPDATA%\devin\mcp_config.json(Windows):
{
"mcpServers": {
"postgres": {
"command": "uvx",
"args": [
"postgres-mcp",
"--access-mode=restricted"
]
}
}
}- Refresh the MCP server list in Cascade.
Devin Desktop is the new name for Windsurf.
Codex
codex mcp add postgres -- uvx postgres-mcp --access-mode=restrictedOr edit ~/.codex/config.toml directly:
[mcp_servers.postgres]
command = "uvx"
args = ["postgres-mcp", "--access-mode=restricted"]Needs uv (Python) on your computer.
Gemini CLI
gemini mcp add postgres uvx -- postgres-mcp --access-mode=restrictedThis adds it to the current project. Add -s user to use it everywhere.
Any client
Most clients that start local servers accept this shape:
{
"mcpServers": {
"postgres": {
"command": "uvx",
"args": [
"postgres-mcp",
"--access-mode=restricted"
]
}
}
}Zed puts servers under context_servers in its settings, with the same command, args and env fields.
Needs uv (Python) on your computer.
FAQ
Can I paste mcp.tc/i/postgres into my MCP client?
No. Postgres MCP Pro runs on your own computer, started by your client, so it has no web address to connect to. The quick link is the page to share; the install command is uvx postgres-mcp --access-mode=restricted.
Does Postgres MCP Pro need an API key?
No. It doesn’t declare any keys or environment variables. It runs with your user account’s permissions, so check what its tools can reach.
Is Postgres MCP Pro a remote or a local server?
Local. Your client starts it as a process on your computer with uvx postgres-mcp --access-mode=restricted, which needs uv (Python).
What can Postgres MCP Pro do?
You can ejecutar SQL en PostgreSQL con modos de acceso restringido o sin restricciones, revisar planes EXPLAIN y simular índices hipotéticos and recomendar índices para una carga de trabajo.
Which clients can use it?
Any client that starts local servers: Claude Code, Claude Desktop, Cursor, VS Code, Devin Desktop, Codex, Gemini CLI, Zed and others. claude.ai and ChatGPT only connect to remote servers.
Who wrote this page?
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