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Datomic MCP
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Datomic MCP

Implementation of Datomic MCP service based on Modex
DatabaseDeveloper tools#Database connection#Asynchronous query#Data retrieval#Claude integration
2.5 points
6.3K
Open Site

Overview

Installation

Content Details

Alternatives

What is the Datomic MCP Server?

The Datomic MCP server is a tool built on Modex that allows users to interact with the Datomic database through simple commands. It supports functions such as concurrent queries and data operations, and is suitable for application scenarios that require high - performance data processing.

How to use the Datomic MCP Server?

Users only need to set environment variables and start the server, and then can execute various data query and operation tasks through the command line.

Applicable Scenarios

The Datomic MCP server is suitable for scenarios that require frequent querying and operating of the Datomic database, such as data analysis and real - time monitoring.

Main Features

Concurrent Query Support
Supports asynchronous message processing, allowing multiple queries to run simultaneously.
`datomic.api/q` Query
Allows users to perform complex query operations.
`datomic.api/datoms` Data Operation
Used to obtain specific data in the database.
`datomic.api/with` Data Writing
Writes data to the database through the transaction interface.
`datomic.api/pull` Data Retrieval
Extracts detailed information of specific entities from the database.
`datomic.api/entity` Entity Query
Quickly obtains information of the specified entity.
`datomic.api/touch` Data Enhancement
Enhances the query ability of entities.
`datomic.api/entid` Get Entity ID
Gets the corresponding ID according to the entity name.
Advantages
Efficient concurrent query ability
Rich API support
Easy to integrate into existing systems
Limitations
Support for `transact` operations is not yet perfect
Lack of a stable database benchmark
Need to manually handle pagination logic

How to Use

Set Environment Variables
Add the `DATOMIC_URI` environment variable to the MCP configuration file, pointing to your Datomic database.
Start the Server
Start the Datomic MCP server using the Java command.
Execute Query
Execute query operations through the command line.

Usage Examples

Example 1: Query Entity
Query the entity named Alice.
Example 2: Write Data
Insert new user data into the database.

Frequently Asked Questions

What query functions does the Datomic MCP server support?
How to solve the pagination problem?
Does it support transaction operations?

Related Resources

Datomic Official Documentation
Detailed documentation provided by Datomic officially.
Modex GitHub Repository
The address of the Modex open - source project.
Datomic MCP Example Code
Example code for the Datomic MCP server.

Installation

Copy the following command to your Client for configuration
{
  "mcpServers": {
    "modex-datomic-mcp": {
      "command": "java",
      "args": ["-jar", "/Users/petrus/code/datomic-mcp/target/theronic-datomic-mcp-0.3.0.jar"],
      "env": {"DATOMIC_URI": "<your datomic URI here>"}
    }
  },
  "globalShortcut": ""
}
Note: Your key is sensitive information, do not share it with anyone.

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