Rathoddarshil MCP Postgres Query Server
A PostgreSQL query server implementing the MCP protocol, providing read-only database query services for clients such as Claude Desktop, including functions such as SQL validation and timeout protection.
rating : 2 points
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What is the MCP Postgres Query Server?
This is a database query tool specifically designed for Claude Desktop. It allows users to securely query PostgreSQL databases without modifying any data. Through the Model Context Protocol (MCP), you can directly run SQL queries in Claude Desktop and obtain results.How to use the MCP Postgres Query Server?
You need to configure the connection settings of Claude Desktop first, and then you can directly enter SQL query commands in the interface. The server will automatically verify the security of the query to ensure that only read operations are performed.Use cases
Suitable for users who need to obtain information from a PostgreSQL database but do not have direct database access rights, or for scenarios where database queries need to be integrated into an AI workflow.Main features
Read-only database accessEnsure database security by only allowing SELECT queries and preventing accidental modification or deletion of data
Query validationAutomatically check SQL statements to ensure that only secure read operations are performed
Timeout protectionAutomatically terminate queries that run for more than 10 seconds to prevent resource occupation
Structured responseQuery results are returned in a clear and readable JSON format
Advantages and limitations
Advantages
Provide a secure way to access the database without worrying about data modification
Seamlessly integrate with Claude Desktop to improve work efficiency
Automatically verify query security to reduce risks
Fast response and easy-to-process result format
Limitations
Only support PostgreSQL databases
Only perform read operations and do not support data modification
Query complexity is limited by the 10-second timeout setting
Require pre-configured database connection information
How to use
Install the server
Clone the repository and install dependencies
Configure Claude Desktop
Edit the Claude Desktop configuration file and add MCP server connection information
Restart Claude Desktop
Restart Claude Desktop after saving the configuration to make the changes take effect
Start querying
Use the query-postgres tool in the Claude Desktop interface to execute SQL queries
Usage examples
Product data analysisQuery the list of products with a price higher than 100 yuan
User statisticsCount the number of newly registered users in the last month
Sales reportGenerate a sales total report grouped by category
Frequently asked questions
Why was my query rejected?
What happens if a query runs for more than 10 seconds?
How can I view the tables in the database?
Do you support other databases such as MySQL or SQLite?
How do I update the server configuration?
Related resources
GitHub repository
Project source code and latest updates
PostgreSQL official documentation
Complete documentation for the PostgreSQL database
MCP protocol description
Detailed description of the Model Context Protocol
Claude Desktop user guide
Official user documentation for Claude Desktop
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