
Connect XML JSON Converter to ChatGPT, Claude and Gemini
Set it up once and it works in ChatGPT, Claude, Cursor, and any other client you love. It all runs safely in the background, so you can relax and focus on what really matters. Stop letting your AI hallucinate complex data structures.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Your AI does the work. We keep it safe and sound.
No other AI tool gives you this. Your workflow runs in the client you already love, your account stays protected, and you decide what the agent can and cannot do. It is the whole reason to make the switch.
Each Connector lives inside our infrastructure, the same place where your workflow runs. The three things below are already part of it, working quietly in the background so you never have to think about them. Nothing to add, nothing to set up, nothing to worry about.

Each Connector runs inside its own sealed environment.
Each Connector runs inside its own sealed V8 runtime — no access to your files, your system, or other servers. A Connector never sees past its own request.
One switch stops every agent. Instantly.
One action deactivates every Connector, revokes every token, and ends every session at once. AI Governance keeps the record.
Spending limits that pause instead of surprise.
Every user keeps their own connections and credentials, isolated from everyone else. Anything that would cross your spending limit is held for your approval, not billed.
Three controls, built into the layer your AI connects through.
Curated set · 2 capabilities
We ship only the actions that matter.
01-02
2 capabilities in this set.
Part of 2 available through Fast XML Parser.
- 01
Convert JSON to xml
This capability turns a JSON string into a properly formatted XML document. Use it when your agent needs to wrap a JSON payload into a valid XML envelope for a legacy system.
- 02
Convert xml to JSON
This capability converts raw XML strings into deterministic JSON objects. It preserves all node attributes, nested elements, and CDATA sections without hallucinating the structure.
Real work
What teams actually run
Legacy System Integration
Convert JSON instructions from your AI into valid XML envelopes to trigger actions in old enterprise software.
RSS Feed Processing
Turn raw RSS XML feeds into JSON so your agent can easily summarize or categorize news items.
SOAP Response Analysis
Transform complex SOAP payloads into structured JSON to allow your agent to extract specific data points.
Data Cleaning
Use the deterministic parser to ensure nested XML structures are perfectly represented in JSON before further processing.
Automate a task
Put Fast XML Parser to work on one thing.
Step-by-step automations your AI runs through this Connector: the workflow, the prompts to start with, and the exact capabilities behind each move.
One connector, every AI
Fast XML Parser works with the most popular AI clients.
These are the most popular clients, each with a step-by-step guide: one link, set up once, with governance and visibility built in. And because everything runs on the MCP standard, the same connection also works in any other compatible client — nothing to rebuild.
Claude
ChatGPT
Gemini
Perplexity
Grok
Microsoft Copilot
Cursor
VS Code
Windsurf
JetBrains
Cline
LangChain
Vercel AI SDK
Lovable
Z.ai
Raycast
Qwen Code
Kimi Code
Le ChatBuilding your own app? The connector is yours to use.
You don't need a client to put Fast XML Parser to work: the same hosted connection plugs into your own applications and agent code, with the same governance on every request. Build with it, chat with it — one connection for both.
Observed, not estimated
1080ms average. Fast in production.
Fast XML Parser is checked daily against the live service.
- Fastest day
- 813ms
- Slowest day
- 1291ms
- 14-day trend
- Improving-7%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 2 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Fast XML Parser, so you can see the experience inside your AI.
It does not authenticate your account with Fast XML Parser. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Fast XML Parser Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_GF46lZFzoMCgxdUs46qeKuOTsGqMxTGfhIntbG1b/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Fast XML Parser capabilities are ready to use.
{
"mcpServers": {
"xml-json-converter-mcp": {
"url": "https://edge.vinkius.com/vk_preview_GF46lZFzoMCgxdUs46qeKuOTsGqMxTGfhIntbG1b/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
Guided setup for Claude? Set up Fast XML Parser in Claude and other AIs
Who it's for
Built for the work Fast XML Parser owners hand off.
This MCP is built for engineers and analysts working with enterprise data pipelines that bridge old and new systems.
- 01
Backend Engineers
They hand off raw SOAP or XML responses to the AI to get clean JSON for testing or debugging.
- 02
Data Analysts
They use it to transform RSS feeds or legacy data exports into structured formats for analysis.
- 03
Integration Specialists
They use the bidirectional capabilities to prepare JSON payloads for legacy XML-based APIs.
FAQ
Questions Fast XML Parser owners ask.
- 01
Will this MCP prevent my AI from hallucinating XML structures?
Yes. By using a deterministic parser instead of asking the LLM to parse the text, the conversion is mathematically exact and avoids structural errors.
- 02
Can I convert JSON back into XML?
Yes. The convert_json_to_xml capability allows your agent to take a JSON object and turn it into a well-formed XML string.
- 03
Is my data sent to an external API for conversion?
No. The conversion happens locally within V8 isolates, which helps keep your data secure and reduces latency.
- 04
Does it handle XML attributes?
Yes. The parser is designed to retain 100% of node attributes and values during the conversion process.
- 05
Which AI clients can use this MCP?
You can use this with any MCP-compatible client, including Claude, Cursor, Windsurf, and VS Code.
- 06
Does it retain XML attributes?
Yes! Every single attribute is perfectly translated.
- 07
Can it handle gigabytes of XML?
It is extremely fast, constrained only by Edge memory limits.
- 08
Does it support XML to JSON bidirectional?
Yes, it perfectly rebuilds XML from JSON payloads.
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Connect Fast XML Parser to Claude, Cursor, ChatGPT & more
