Hmac Generate

Compute an HMAC of a message with a secret key. Returns hex digest.

This page documents the MCP tool findutils:hmac_generate. See the REST reference →

Call it over MCP

Tool name findutils:hmac_generate · no API keys · 120 requests/min per IP

Claude Code

claude mcp add findutils --transport http https://mcp.findutils.com/

Claude Desktop — claude_desktop_config.json

{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/"
    }
  }
}

Raw JSON-RPC (any MCP client) — verified example

curl -X POST https://mcp.findutils.com/ \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "hmac_generate",
      "arguments": {
        "message": "hi",
        "secret": "k",
        "algorithm": "SHA-256"
      }
    }
  }'

Input schema

Argument	Type	Required	Description
message	string	yes	The message to authenticate.
secret	string	yes	The secret key.
algorithm	string (SHA-256 \| SHA-512)	no	HMAC algorithm. Defaults to SHA-256. Default: "SHA-256".

Example arguments (verified)

{
  "message": "hi",
  "secret": "k",
  "algorithm": "SHA-256"
}

Also a REST endpoint

The same tool answers plain HTTP at POST /api/tools/hmac-generate/execute — no key, 60 requests/min.

Open the REST reference for Hmac Generate →

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