Structura JSON Diff

Developer utility for comparing two strict JSON documents.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
100%
Naming quality
80%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~447Tokens (tool definitions)
~4.1 KBTypical response size
Minimal attention impact (0.35% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "json-diff": {
      "url": "https://json-diff.zovo.one/mcp"
    }
  }
}

Remote endpoints

https://json-diff.zovo.one/mcpstreamable-http

What it can do

Tool inventory

Tools (1)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢compare_json(before, after)

Use this when you want to compare two JSON documents, find changed JSON paths, or distinguish type changes from value changes. Ignores object key order, preserves array order, and compares decimal numbers without float rounding. Limits: 20,000 characters per document, depth 64, 4,000 values, 500 differences. Does not compare source code, YAML, JSON5, or duplicate-key documents.

Input Schema

{
  "type": "object",
  "properties": {
    "before": {
      "type": "string",
      "minLength": 1,
      "maxLength": 20000,
      "description": "Strict JSON before the change, e.g. {\"count\":1,\"enabled\":true}. Do not include passwords or secrets."
    },
    "after": {
      "type": "string",
      "minLength": 1,
      "maxLength": 20000,
      "description": "Strict JSON after the change, e.g. {\"count\":2,\"enabled\":\"true\"}."
    }
  },
  "required": [
    "before",
    "after"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Output Schema

{
  "type": "object",
  "properties": {
    "equal": {
      "type": "boolean"
    },
    "change_count": {
      "type": "number"
    },
    "counts": {
      "type": "object",
      "properties": {
        "added": {
          "type": "number"
        },
        "removed": {
          "type": "number"
        },
        "type_changed": {
          "type": "number"
        },
        "value_changed": {
          "type": "number"
        }
      },
      "required": [
        "added",
        "removed",
        "type_changed",
        "value_changed"
      ],
      "additionalProperties": false
    },
    "preview": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "path": {
            "type": "string"
          },
          "kind": {
            "type": "string"
          },
          "before_type": {
            "type": "string"
          },
          "after_type": {
            "type": "string"
          },
          "before": {
            "type": "string"
          },
          "after": {
            "type": "string"
          }
        },
        "required": [
          "path",
          "kind"
        ],
        "additionalProperties": false
      }
    },
    "preview_note": {
      "type": "string"
    },
    "downloads": {
      "type": "object",
      "properties": {
        "report": {
          "type": "string"
        }
      },
      "required": [
        "report"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "equal",
    "change_count",
    "counts",
    "preview",
    "preview_note",
    "downloads"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false
}

Community

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Evidence

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