# JSON Schema Manager

> Use this tool when you need to manage and generate JSON data with structured schemas, creating consistent data structures or template-based documents. It solves problems of data inconsistency and template management by providing a centralized way to create, store, and retrieve JSON schemas with custom properties. The tool takes JSON schema definitions as input and outputs generated JSON instances, making it ideal for applications that require standardized data formats.

Canonical page: https://skillsregistry.net/skills/jaho5-json-schema-manager  
JSON: https://api.skillsregistry.net/v1/skills/jaho5-json-schema-manager

## Description

This JSON Schema MCP Server manages JSON schemas and generates instances from them, providing a structured way to create, store, and retrieve schemas with custom properties. Built with FastMCP, it offers resources for accessing specific schemas by ID and listing all available schemas, along with tools for creating new schemas with customizable properties and generating JSON instances with default or user-provided values. The implementation stores schemas as JSON files with unique IDs, making it ideal for applications that need to maintain consistent data structures or generate template-based JSON documents.

## Trust

- **Trust score (0–1):** 0.97
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** file-system
- **Updated:** 2026-09-28

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/jaho5-json-schema-manager)
- **Repository:** <https://github.com/jaho5/json-schema-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "jaho5-json-schema-manager"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/jaho5-json-schema-manager` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/jaho5-json-schema-manager/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt