Development
JSON Diff Visualizer
Compare two JSON payloads and render a visual HTML diff with path-level additions, removals, changes, and statistics
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Quick start
Call this tool from your code in three languages.
cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/json-diff-visualizer' \
-H 'Content-Type: application/json' \
-d '{"leftJson":"{\"status\":\"ok\",\"count\":2}","rightJson":"{\"status\":\"ok\",\"count\":3,\"next\":true}","leftLabel":"v1","rightLabel":"v2","showUnchanged":false,"sortKeys":true,"maxRows":300}'API reference
Send a POST request with your inputs as JSON. File parameters require a separate upload first.
Endpoint
HTTP
POST https://api.elysiatools.com/en/api/tools/json-diff-visualizerParameters
| Name | Type | Required | Description |
|---|---|---|---|
| leftJson | textarea | Yes | — |
| rightJson | textarea | Yes | — |
| leftLabel | text | No | — |
| rightLabel | text | No | — |
| showUnchanged | checkbox | No | — |
| sortKeys |
MCP integration
Add this tool to your Model Context Protocol server so AI agents can list and call it.
Server configuration
Add this block to your MCP client configuration:
mcp.json
{
"mcpServers": {
"elysiatools-json-diff-visualizer": {
"name": "json-diff-visualizer",
"description": "Compare two JSON payloads and render a visual HTML diff with path-level additions, removals, changes, and statistics",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=json-diff-visualizer",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}List available tools
After connecting to the SSE endpoint, list the exposed tools:
tools/list
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Call this tool
Invoke the tool by its id, passing arguments built from its parameters:
tools/call
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "json-diff-visualizer",
"arguments": {
"leftJson": "{\"status\":\"ok\",\"count\":2}",
"rightJson": "{\"status\":\"ok\",\"count\":3,\"next\":true}",
"leftLabel": "v1",
"rightLabel": "v2",
"showUnchanged": false,
"sortKeys": true,
"maxRows": 300
}
}
}Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).
Questions or issues? Contact [email protected]