Generator Utilities

Generate Uuid V7

Generates time-ordered UUID v7 identifiers that sort chronologically by creation time. Access via MCP in Cursor or Windsurf, or call GET /v1/generate/uuid/v7 directly. Returns format like 01234567-89ab-7cde-f012-3456789abcde where the first 48 bits encode millisecond timestamp. Perfect for database primary keys that need natural ordering.

API Endpoint

GET /v1/generate/uuid/v7

Code Examples

curl "https://tinyfn.io/v1/generate/uuid/v7" \
  -H "X-API-Key: YOUR_API_KEY"
const response = await fetch('https://tinyfn.io/v1/generate/uuid/v7', {
  headers: { 'X-API-Key': 'YOUR_API_KEY' }
});
const data = await response.json();
console.log(data);
import requests

response = requests.get('https://tinyfn.io/v1/generate/uuid/v7',
    headers={'X-API-Key': 'YOUR_API_KEY'})
data = response.json()
print(data)

Use via MCP

Add to your AI agent

Connect your AI agent (Claude, Cursor, Windsurf, etc.) to TinyFn's generator tools:

{
  "mcpServers": {
    "tinyfn-generator": {
      "url": "https://tinyfn.io/mcp/generator",
      "headers": {
        "X-API-Key": "YOUR_API_KEY"
      }
    }
  }
}

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FAQ

What's the difference between UUID v4 and UUID v7?

UUID v4 is purely random while v7 embeds a timestamp in the first 48 bits, making v7s naturally sort by creation time. This eliminates database index fragmentation issues common with random UUIDs.

How can I generate UUID v7 in my AI agent workflow?

Use the MCP tool in Cursor, Claude Code, or other supported editors. The agent can generate time-ordered IDs for database records, ensuring chronological sorting without additional timestamp columns.

Does UUID v7 guarantee uniqueness across different machines?

Yes, v7 combines millisecond timestamp with random bits and optional node information. Even if generated simultaneously on different machines, the random portion ensures uniqueness.

Can I extract the timestamp from a UUID v7?

Yes, the first 48 bits represent Unix timestamp in milliseconds. You can decode this to get the exact creation time, making v7s useful for time-based queries.

What's the performance benefit of UUID v7 over v4 in databases?

UUID v7 reduces B-tree index fragmentation because new records append to the end rather than inserting randomly. This improves insert performance and reduces storage overhead in most databases.

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