Updated Postgres
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README.md
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README.md
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# PostgreSQL
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# MCP servers 
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A Model Context Protocol server that provides read-only access to PostgreSQL databases. This server enables LLMs to inspect database schemas and execute read-only queries.
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Example servers for the Model Context Protocol, to demonstrate the kinds of things you can do!
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## Components
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## Getting started
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### Tools
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Install from npm:
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- **query**
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```sh
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- Execute read-only SQL queries against the connected database
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npm install -g @modelcontextprotocol/servers
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- Input: `sql` (string): The SQL query to execute
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- All queries are executed within a READ ONLY transaction
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### Resources
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The server provides schema information for each table in the database:
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- **Table Schemas** (`postgres://<host>/<table>/schema`)
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- JSON schema information for each table
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- Includes column names and data types
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- Automatically discovered from database metadata
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## Example Usage with the Desktop App
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To use this server with the Claude Desktop app, add the following configuration to the "mcpServers" section of your `claude_desktop_config.json`:
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```json
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"postgres": {
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"command": "mcp-server-postgres",
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"args": ["postgresql://localhost/mydb"],
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"env": {
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"HOME": "/Users/YOUR_USERNAME"
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}
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}
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```
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```
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Replace `/mydb` with your database name and `YOUR_USERNAME` with your system username.
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Then, the servers will be globally available on your PATH:
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```sh
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mcp-server-everything
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mcp-server-postgres
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# ...
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```
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Each server will operate differently. See the READMEs within [src](src/) for more information.
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# PostgreSQL server
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# PostgreSQL
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This MCP server provides **resources** and **tools** for interacting with a Postgres database.
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A Model Context Protocol server that provides read-only access to PostgreSQL databases. This server enables LLMs to inspect database schemas and execute read-only queries.
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## Components
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### Tools
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- **query**
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- Execute read-only SQL queries against the connected database
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- Input: `sql` (string): The SQL query to execute
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- All queries are executed within a READ ONLY transaction
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### Resources
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The server provides schema information for each table in the database:
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- **Table Schemas** (`postgres://<host>/<table>/schema`)
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- JSON schema information for each table
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- Includes column names and data types
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- Automatically discovered from database metadata
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## Example Usage with the Desktop App
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To use this server with the Claude Desktop app, add the following configuration to the "mcpServers" section of your `claude_desktop_config.json`:
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```json
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"postgres": {
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"command": "mcp-server-postgres",
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"args": ["postgresql://localhost/mydb"]
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}
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```
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Replace `/mydb` with your database name.
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@ -19,7 +19,7 @@
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"watch": "tsc --watch"
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"watch": "tsc --watch"
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},
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},
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"dependencies": {
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"dependencies": {
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"@modelcontextprotocol/sdk": "0.5.0",
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"@modelcontextprotocol/sdk": "0.6.2",
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"pg": "^8.13.0"
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"pg": "^8.13.0"
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},
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},
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"devDependencies": {
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"devDependencies": {
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