Security
Compute the CRC32 checksum (IEEE 802.3 polynomial) of any text or raw bytes. Output as hex, decimal or binary. Accepts plain text (UTF-8) or raw bytes via hex/base64 input.
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/crc32-checksum' \
-H 'Content-Type: application/json' \
-d '{"inputText":"Type or paste the data to checksum…","inputEncoding":"text","outputFormat":"hex"}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/crc32-checksum| Name | Type | Required | Description |
|---|---|---|---|
| inputText | textarea | Yes | — |
| inputEncoding | select | Yes | — |
| outputFormat | select | Yes | — |
Text result
{
"result": "Processed text content",
"error": "Error message (optional)",
"message": "Notification message (optional)",
"metadata": {
"key": "value"
}
}Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-crc32-checksum": {
"name": "crc32-checksum",
"description": "Compute the CRC32 checksum (IEEE 802.3 polynomial) of any text or raw bytes. Output as hex, decimal or binary. Accepts plain text (UTF-8) or raw bytes via hex/base64 input.",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=crc32-checksum",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "crc32-checksum",
"arguments": {
"inputText": "Type or paste the data to checksum…",
"inputEncoding": "text",
"outputFormat": "hex"
}
}
}Questions or issues? Contact [email protected]