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Hemocytometer Cell Counter (cells/mL)

Turns Neubauer grid counts into cells/mL with dilution factor, total-count option, and 20–100 cells/square density advice. 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/cell-counting-hemocytometer' \
  -H 'Content-Type: application/json' \
  -d '{"totalCells":248,"squaresCount":4,"dilutionFactor":2,"sampleVolumeMl":0,"decimalPlaces":2}'

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/cell-counting-hemocytometer

Parameters

NameTypeRequiredDescription
totalCellsnumberYesSum of the cells counted across all counted large squares.
squaresCountnumberYesNumber of 1 mm² large squares the total covers (4 corners, or 5 including center).
dilutionFactornumberYesTotal-to-sample volume ratio of the loading mix (1:1 with trypan blue ⇒ 2).
sampleVolumeMlnumberNoOptional original suspension volume, for the total cell count in the sample.
decimalPlacesnumber

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-cell-counting-hemocytometer": {
      "name": "cell-counting-hemocytometer",
      "description": "Turns Neubauer grid counts into cells/mL with dilution factor, total-count option, and 20–100 cells/square density advice. Educational use only.",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=cell-counting-hemocytometer",
      "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": "cell-counting-hemocytometer",
    "arguments": {
  "totalCells": 248,
  "squaresCount": 4,
  "dilutionFactor": 2,
  "sampleVolumeMl": 0,
  "decimalPlaces": 2
}
  }
}
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]

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Response format

JSON result

JSON
{
  "key": {...},
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}