JSON Schema Manager
About
Manages JSON schemas and generates instances with custom properties, enabling applications to maintain consistent data structures and create template-based JSON documents
Details
- Author
- jaho5
- Repository
- jaho5/json-schema-mcp
- Categories
- Developer Tools, Design, Workplace, File Management, AI, Infrastructure, Frontend
Jump to
- Store and retrieve JSON schemas
- Create new JSON schemas with a simple tool
- Generate instances from schemas with custom values
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
JSON Schema ManagerCommand (node, npx, python, etc.)npxArguments-
Argument 1
-y -
Argument 2
@highlight/mcp-server
Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
-
Argument 1
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
1. Install dependencies:
pip install mcp[cli]
2. Run the server:
python server.py
3. Or install with Claude Desktop:
mcp install server.py
create_schema
Create a new JSON schema with specified properties and required fields.
create_instance
Create a JSON instance from a specified schema using custom values.
- create_schema - Create a new JSON schema
- create_instance - Create a JSON instance from a schema
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"json schema manager": {
"env": {},
"args": [
"-y",
"@highlight/mcp-server"
],
"command": "npx"
}
}
}Linux
{
"env": [],
"args": [
"-y",
"@highlight/mcp-server"
],
"command": "npx"
}Macos
{
"env": [],
"args": [
"-y",
"@highlight/mcp-server"
],
"command": "npx"
}Windows
{
"env": [],
"args": [
"/c",
"npx",
"-y",
"@highlight/mcp-server"
],
"command": "cmd"
}JSON Schema MCP Server
An MCP server that manages JSON schemas and creates instances from them.
Features
- Store and retrieve JSON schemas
- Create new JSON schemas with a simple tool
- Generate instances from schemas with custom values
Resources
- schema://{schema_id} - Get a specific schema by ID
- schemas://list - Get a list of all available schemas
Tools
- create_schema - Create a new JSON schema
- create_instance - Create a JSON instance from a schema
Usage
1. Install dependencies:
pip install mcp[cli]
2. Run the server:
python server.py
3. Or install with Claude Desktop:
mcp install server.py
Examples
Creating a Person Schema
// Create a schema for a person
create_schema(
title="Person",
properties={
"name": {"type": "string"},
"age": {"type": "integer"},
"email": {"type": "string", "format": "email"}
},
required=["name", "email"]
)
Creating an Instance
// Create a person instance
create_instance(
schema_id="<schema-id-from-previous-step>",
values={
"name": "John Doe",
"age": 30,
"email": "john@example.com"
}
)
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