Generator
Modern Unique ID Generator
Generate modern unique identifiers: ULID, NanoID, Snowflake and CUID2. Compare formats, decode ULID timestamps and pick the right ID for your system.
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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/uid-generator' \
-H 'Content-Type: application/json' \
-d '{"type":"ulid","count":5,"length":0,"workerId":1,"datacenterId":1,"epoch":0,"compareUlid":"Paste a ULID to decode its timestamp instead of generating"}'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/uid-generatorParameters
| Name | Type | Required | Description |
|---|---|---|---|
| type | select | Yes | — |
| count | number | No | — |
| length | number | No | ID length for NanoID and CUID2. Ignored for ULID/Snowflake. |
| workerId | number | No | Machine/worker id within the datacenter (Snowflake only). |
| datacenterId | number | No | Datacenter id for distributed deployments (Snowflake only). |
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-uid-generator": {
"name": "uid-generator",
"description": "Generate modern unique identifiers: ULID, NanoID, Snowflake and CUID2. Compare formats, decode ULID timestamps and pick the right ID for your system.",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=uid-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": "uid-generator",
"arguments": {
"type": "ulid",
"count": 5,
"length": 0,
"workerId": 1,
"datacenterId": 1,
"epoch": 0,
"compareUlid": "Paste a ULID to decode its timestamp instead of generating"
}
}
}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]