Security
JWT Generator
Generate JWT tokens with custom claims and algorithms
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Quick start
Call this tool from your code in three languages.
cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/jwt-generator' \
-H 'Content-Type: application/json' \
-d '{"secret":"Enter a strong secret key (min 8 characters)","algorithm":"HS256","issuer":"Optional: Token issuer (e.g., \"my-app\")","audience":"Optional: Token audience (e.g., \"my-users\")","subject":"Optional: Token subject (e.g., \"user-id\")","expiresIn":0,"customClaims":"Optional: Additional claims in JSON format\nExample: {\"userId\": 123, \"role\": \"admin\"}","includeJti":false,"includeIat":true,"includeNbf":false,"jwtOnly":true}'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/jwt-generatorParameters
| Name | Type | Required | Description |
|---|---|---|---|
| secret | text | Yes | — |
| algorithm | select | No | — |
| issuer | text | No | — |
| audience | text | No | — |
| subject | text | No | — |
| expiresIn |
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-jwt-generator": {
"name": "jwt-generator",
"description": "Generate JWT tokens with custom claims and algorithms",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=jwt-generator",
"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": "jwt-generator",
"arguments": {
"secret": "Enter a strong secret key (min 8 characters)",
"algorithm": "HS256",
"issuer": "Optional: Token issuer (e.g., \"my-app\")",
"audience": "Optional: Token audience (e.g., \"my-users\")",
"subject": "Optional: Token subject (e.g., \"user-id\")",
"expiresIn": 0,
"customClaims": "Optional: Additional claims in JSON format\nExample: {\"userId\": 123, \"role\": \"admin\"}",
"includeJti": false,
"includeIat": true,
"includeNbf": false,
"jwtOnly": true
}
}
}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).