Compute an HMAC of a message with a secret key. Returns hex digest.
This page documents the HTTP endpoint POST /api/tools/hmac-generate/execute. See the MCP reference →
Call it over REST
POST https://api.findutils.com/api/tools/hmac-generate/execute · no API keys · 60 requests/min per IP
Execute — verified arguments
curl -X POST https://api.findutils.com/api/tools/hmac-generate/execute \
-H "Content-Type: application/json" \
-d '{
"message": "hi",
"secret": "k",
"algorithm": "SHA-256"
}'Parameter schema for this endpoint
curl https://api.findutils.com/api/tools/hmac-generateInput 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 an MCP tool
Claude, Cursor, and any MCP client can call this tool as
findutils:hmac_generate after one connect command.
Connect once
claude mcp add findutils --transport http https://mcp.findutils.com/More Encoding tools
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