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GraphQL MCP Server by CData

@CDataSoftware

Repository

Basic information

Category

Other

Transports

stdio

Author

CDataSoftware

Submitted by

Cameron Leblanc

About GraphQL MCP Server by CData

This project builds a read-only MCP server. For full read, write, update, delete, and action capabilities and a simplified setup, check out our free [CData MCP Server for GraphQL (beta)](https://www.cdata.com/download/download.aspx?sku=LAZK-V&type=beta).

#graphql#mcp-server#cdata

GraphQL MCP Server by CData config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "{classname_dash}": {
      "command": "PATH\\TO\\java.exe",
      "args": [
        "-jar",
        "PATH\\TO\\CDataMCP-jar-with-dependencies.jar",
        "PATH\\TO\\graphql.prp"
      ]
    }
  }
}

GraphQL MCP Server by CData tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is GraphQL MCP Server by CData?

GraphQL MCP Server by CData is a read-only Model Context Protocol server that allows LLMs (like Claude Desktop) to query live GraphQL data using natural language. It wraps the CData JDBC Driver for GraphQL, which exposes GraphQL endpoints as relational SQL models, so no SQL is required from the user.

How to use GraphQL MCP Server by CData?

Clone the repository, build with Maven (mvn clean install), download and license the CData JDBC Driver for GraphQL, configure a connection string using the driver’s utility, create a .prp property file with the JDBC connection details, then add the server to Claude Desktop’s mcpServers config. The server communicates over stdio and must run on the same machine as the client.

Key features of GraphQL MCP Server by CData

  • Read-only access to live GraphQL data via natural language queries
  • Wraps the CData JDBC Driver for GraphQL as a relational SQL model
  • Provides get_tables, get_columns, and run_query tools
  • Supports OAuth-based authentication for data sources
  • Simple setup with a single JAR file and a properties file

Use cases of GraphQL MCP Server by CData

  • Ask an LLM to summarize data trends from a GraphQL endpoint
  • Let users query live GraphQL data without writing SQL
  • Automate data retrieval from GraphQL APIs for AI-driven analysis
  • Enable data exploration of GraphQL-backed systems using conversational interfaces

Frequently asked questions

1

What are the dependencies and runtime requirements?

Java Runtime Environment (JRE) and Maven (for building) are required. The CData JDBC Driver for GraphQL must be downloaded and licensed separately. The server runs as a standalone JAR file.

2

What transport does the server use? How does authentication work?

The server uses `stdio` transport, so it must be run on the same machine as the MCP client. Authentication (e.g., OAuth) is handled during JDBC connection string configuration using the driver’s connection utility.

3

Is this server read-only? Can it write data?

Yes, this project explicitly builds a read-only MCP server. For full read, write, update, delete, and action capabilities, CData offers a separate free beta MCP server for GraphQL.

4

Where does the data live? Is it cached?

Data is fetched live from the configured GraphQL endpoint. No caching is performed by the server; each query retrieves fresh data from the data source.

5

What are known limitations?

The server is read-only and operates only via `stdio`. It cannot be used with remote MCP clients. The connection string must be configured manually via the JDBC driver utility.

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