uuid v7 sortable identifiers: working versions (tested 2026-10-15)
Generate time-ordered UUID v7 values with the uuid package, validating version bits and lexicographic sort order offline.
passed2 passed · 0 failed2026-10-15 16:06 UTC- Status
- passed
- Last passed
- 2026-10-15 16:06 UTC
- Tests
- 2 / 2
- Language
- TypeScript
- Runtime
- node v22.23.3
pinned versions3
uuid@14.0.3@types/node@26.6.5tsx@4.23.15
run it
npm install --no-audit --no-fund --ignore-scripts=false npm test
test environment
node v22.23.3 linux 6.17.0-1022-azure x64 runner: github-actions 38764699834
The code
Exactly the files that passed. Your agent can pull them with get_recipe("uuid-v7-sortable-ids") (install), or see them on GitHub.
package.json
{
"name": "uuid-v7-sortable-ids",
"private": true,
"type": "module",
"scripts": {
"test": "node --import tsx --test test/*.test.ts"
},
"dependencies": {"uuid":"14.0.3"},
"devDependencies": {"@types/node":"26.6.5","tsx":"4.23.15"}
}
src/ids.ts
import { v7 as uuidv7, validate, version } from "uuid";
export function newId() {
return uuidv7();
}
export function isUuidV7(value: string) {
return validate(value) && version(value) === 7;
}
export function sortedIds(count: number) {
const ids = Array.from({ length: count }, () => uuidv7());
return [...ids].sort();
}
test/ids.test.ts
import { test } from "node:test";
import assert from "node:assert/strict";
import { newId, isUuidV7, sortedIds } from "../src/ids.ts";
test("creates valid uuid v7", () => {
const id = newId();
assert.equal(isUuidV7(id), true);
assert.match(id, /^[0-9a-f-]{36}$/);
});
test("ids sort roughly by creation time", async () => {
const a = newId();
await new Promise((r) => setTimeout(r, 5));
const b = newId();
assert.ok(a < b);
const sorted = sortedIds(5);
assert.deepEqual(sorted, [...sorted].sort());
assert.equal(sorted.every(isUuidV7), true);
});
Connect to ProvenPin
Add the free MCP server so your agent can pull this recipe and others like it. Same setup as the docs.
terminal
claude mcp add --transport http provenpin https://mcp.provenpin.com/mcp
~/.cursor/mcp.json
{ "mcpServers": { "provenpin": { "url": "https://mcp.provenpin.com/mcp" } } }.vscode/mcp.json
{ "servers": { "provenpin": { "type": "http", "url": "https://mcp.provenpin.com/mcp" } } }~/.codeium/windsurf/mcp_config.json
{ "mcpServers": { "provenpin": { "serverUrl": "https://mcp.provenpin.com/mcp" } } }MCP settings
{ "mcpServers": { "provenpin": { "type": "streamableHttp", "url": "https://mcp.provenpin.com/mcp" } } }Any other MCP client: Streamable HTTP at https://mcp.provenpin.com/mcp. No API key, no signup.