CUID Generator Skill

Overview

Cuid Generator works by combining multiple components: a timestamp for sorting, a counter for same-millisecond uniqueness, a process fingerprint for distributed systems, and random data for collision resistance.

Live Test CUID Generator Skill Skill →

The tool

Once your client is connected to the VerveKit server, this appears in its tool list as CUIDGeneratorSkill. It is read-only and open-world — it fetches and never mutates anything on your side — so most clients call it without asking you to confirm.

Tool call

{
  "name": "CUIDGeneratorSkill",
  "arguments": {}
}

Connecting

One server URL covers every skill in the catalog, including this one. Authorization is OAuth: the client opens a browser once, and there is no key to paste into a config file.

{
  "mcpServers": {
    "vervekit": {
      "url": "https://api.vervekit.com/v1/mcp"
    }
  }
}

Per-client setup — Claude, Cursor, VS Code, ChatGPT — is on the MCP setup page.

Arguments

These are the properties on the tool's inputSchema, so a well-behaved client validates them before the call is made. Premium arguments are accepted on every plan but only take effect on plans that include them.

Argument	Type	Description
`count`Optional	integer	Number of Cuids to generate default 1 · range 1–100

What the model gets back

The result carries a structuredContent object matching the tool's declared outputSchema, so a client reads fields without parsing prose. status is "ok" and error is null on success; a null field means the value was not available for that input, not that the call failed.

Result

{
  "status": "ok",
  "error": null,
  "data": {
    "cuids": [
      "cmj95ed27000000145v116use",
      "cmj95ed2700010014uuounuyc",
      "cmj95ed27000200147pwbz35y",
      "cmj95ed27000300142h9ivqrz",
      "cmj95ed27000400149ingh73n",
      "cmj95ed2700050014mg9alsah",
      "cmj95ed27000600149utx0fy3",
      "cmj95ed270007001467kspfhp",
      "cmj95ed2700080014n7ykgwxf",
      "cmj95ed2700090014rrnfehcn"
    ],
    "count": 10,
    "format": "c + timestamp + counter + fingerprint + random",
    "collision_resistant": true,
    "sortable": true
  }
}

Response fields

Paths are relative to data. Premium fields are absent rather than zeroed on plans that do not include them, so check for presence instead of comparing to 0.

Field	Type	Example	Description
`cuids`	array	`["cmj95ed27000000145v116use","cmj95ed2700010014uuounuyc","cmj95ed27000200147pwbz35y"]`	Array of generated collision-resistant unique identifier strings
`count`	number	`10`	Total count of CUIDs generated in this request
`format`Premium	string	`c + timestamp + counter + fingerprint + random`	Description of CUID component composition and structure format
`collision_resistant`Premium	boolean	`true`	Indicates whether generated CUIDs provide collision resistance guarantee
`sortable`Premium	boolean	`true`	Indicates whether CUIDs are naturally sortable by timestamp component

Failure modes

Errors come back as tool errors carrying a sentence the model can act on, not a bare status code. Error handling covers the full list.

Status	What it means
`400` / `422`	The arguments did not validate. The message names the offending one.
`401`	The OAuth session is invalid or expired — reconnect the server.
`403`	Blocked by a key restriction or an IP allow-list. Never a bad identity.
`404`	This skill is not part of VerveKit. Check the catalog.
`429`	Out of credits, or a brief rate limit. The message tells them apart.

A call costs 2 credits each time the tool actually runs; a model that reasons about the tool without calling it costs nothing.

Use cases

Distributed Databases: Generate safe unique keys across distributed database systems and shards
Horizontal Scaling: Create identifiers that work reliably across horizontally scaled applications
Event Sourcing: Generate sortable event identifiers for event sourcing and CQRS patterns
Multi-tenant Systems: Create unique identifiers across multiple tenants and isolated environments

Other ways to use CUID Generator Skill

Set up CUID Generator Skill on VerveKit, or reach the same source a different way. Your VerveKit account and credits work on all of them — one key, one balance.

Call it as a REST APIOne HTTPS endpoint and an x-api-key header, with SDKs for Node, Python and .NET.APIVerve →Reference →

Google Sheets or ExcelA =VERVE() formula fills a column — no script, no export, recalculates in place.VerveSheets →Reference →