Education
Enzyme Activity Unit Converter (U ↔ katal)
Converts activity values exactly between U/mU/µU and katal/mkat/µkat/nkat/pkat (1 U = 16.67 nkat, 1 kat = 6×10⁷ U). Educational use only.
json· JSON resultOpen tool
Quick start
Call this tool from your code in three languages.
cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/enzyme-unit-converter' \
-H 'Content-Type: application/json' \
-d '{"value":120,"fromUnit":"U","decimalPlaces":6}'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/enzyme-unit-converterParameters
| Name | Type | Required | Description |
|---|---|---|---|
| value | number | Yes | Activity in the selected unit. |
| fromUnit | select | Yes | Unit of the entered activity. |
| decimalPlaces | number | No | — |
Response format
JSON result
JSON
{
"key": {...},
"metadata": {
"key": "value"
},
"error": "Error message (optional)",
"message": "Notification message (optional)"
}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-enzyme-unit-converter": {
"name": "enzyme-unit-converter",
"description": "Converts activity values exactly between U/mU/µU and katal/mkat/µkat/nkat/pkat (1 U = 16.67 nkat, 1 kat = 6×10⁷ U). Educational use only.",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=enzyme-unit-converter",
"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": "enzyme-unit-converter",
"arguments": {
"value": 120,
"fromUnit": "U",
"decimalPlaces": 6
}
}
}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]