JSONBuddy Data Validator
About
This project provides an MCP-compatible interface for the JSONBuddy Core API, enabling JSON validation against schemas via a secure HTTP-based service. The server exposes two endpoints (`/validator/validate` and `/validator/validate-simple`) for flexible schema validation scenari
Details
- Author
- Clemens-U
- Downloads
- 336
- Categories
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Jump to
- Secure, HTTP-based schema validation service
- Two validation endpoints for different use cases
- Standard API key authentication
- Designed for MCP clients and AI agents
- High-performance JSON schema validation
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
JSONBuddy Data ValidatorCommand (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
Configure the server in an MCP client using the included mcp.json definition and authenticate with a standard API key. Send POST requests to /validator/validate or /validator/validate-simple with the JSON payload and schema to perform validation.
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"jsonbuddy data validator": [
{
"url": "https://www.json-buddy.com/core-api/mcp.json",
"name": "JSONBuddy Core API",
"description": "Validate JSON data against JSON Schema with server-side processing.",
"tags": [
"json",
"validation",
"schema",
"api",
"developer-tools"
],
"logoUrl": "https://www.json-buddy.com/images-jsonbuddy/jsonbuddy_logo_128.png",
"command": [
{
"name": "Validate JSON (Simple)",
"description": "Validate a JSON document against a JSON Schema string using the /validate-simple endpoint.",
"method": "POST",
"path": "/validator/validate-simple",
"params": {
"schema": {
"type": "string",
"description": "The JSON Schema to validate against."
},
"data": {
"type": "string",
"description": "The JSON document to validate."
}
}
},
{
"name": "Validate JSON (Advanced)",
"description": "Validate a JSON document using the /validate endpoint, supporting schema pools and structured JSON input.",
"method": "POST",
"path": "/validator/validate",
"params": {
"schema": {
"type": "array",
"description": "An array of JSON Schema documents to validate against."
},
"data": {
"type": "object",
"description": "The JSON data object to validate."
}
}
}
]
}
]
}
}McpServers
[
{
"url": "https://www.json-buddy.com/core-api/mcp.json",
"name": "JSONBuddy Core API",
"description": "Validate JSON data against JSON Schema with server-side processing.",
"tags": [
"json",
"validation",
"schema",
"api",
"developer-tools"
],
"logoUrl": "https://www.json-buddy.com/images-jsonbuddy/jsonbuddy_logo_128.png",
"command": [
{
"name": "Validate JSON (Simple)",
"description": "Validate a JSON document against a JSON Schema string using the /validate-simple endpoint.",
"method": "POST",
"path": "/validator/validate-simple",
"params": {
"schema": {
"type": "string",
"description": "The JSON Schema to validate against."
},
"data": {
"type": "string",
"description": "The JSON document to validate."
}
}
},
{
"name": "Validate JSON (Advanced)",
"description": "Validate a JSON document using the /validate endpoint, supporting schema pools and structured JSON input.",
"method": "POST",
"path": "/validator/validate",
"params": {
"schema": {
"type": "array",
"description": "An array of JSON Schema documents to validate against."
},
"data": {
"type": "object",
"description": "The JSON data object to validate."
}
}
}
]
}
]Github
"https://github.com/Clemens-U/jsonbuddy"Env
{
"X-Api-Key": "YourSecretApiKey"
}JSONBuddy Core API MCP Server
This project provides an MCP-compatible interface for the JSONBuddy Core API, enabling JSON validation against schemas via a secure and high-performance HTTP-based service. The server exposes two endpoints (/validator/validate and /validator/validate-simple) for flexible schema validation scenarios. MCP clients and AI agents can integrate this API using the included mcp.json definition and standard API key authentication.
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