Free BPMN 2.0 validator: send BPMN XML, get errors and warnings. Anonymous, nothing stored.
Maintain this server? Claim it
Call this server's tools from your browser. Nothing to install.
Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.
Tool list from our last check. Connect live to refresh it.
Checks a BPMN 2.0 XML file against the LucidFlow validator rules and returns the errors and warnings with their locations. Free, no account, nothing is stored. Limits: 200 KB, 1500 elements, 50 levels deep, no DOCTYPE, 2 seconds. Rate: 60 calls per minute and 1000 per day per IP address; a BPMN XML file of more than 100 KB counts for 5 calls.
The BPMN 2.0 XML text (not a URL).
Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.
Run in a terminal
claude mcp add --transport http bpmn-validator https://lucidflow.ai/api/mcp
Checks a BPMN 2.0 XML file against the LucidFlow validator rules and returns the errors and warnings with their locations. Free, no account, nothing is stored. Limits: 200 KB, 1500 elements, 50 levels deep, no DOCTYPE, 2 seconds. Rate: 60 calls per minute and 1000 per day per IP address; a BPMN XML file of more than 100 KB counts for 5 calls.
| Argument |
|---|
| Type |
|---|
| Description |
|---|
| xml* | string | The BPMN 2.0 XML text (not a URL). |
{
"type": "object",
"required": [
"xml"
],
"properties": {
"xml": {
"type": "string",
"maxLength": 204800,
"description": "The BPMN 2.0 XML text (not a URL)."
}
},
"additionalProperties": false
}We read every tool's name, description and inputs the way the model will, looking for instructions hidden from you. A clean result means no warning signs, not a guarantee. Scanned Nov 13, 2026.