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UUID MCP Provider

by prazedotid
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TypeScript
Hybrid

UUID MCP Provider

A simple Model Context Protocol (MCP) server that provides timestamp-based UUIDs whenever it's called by an LLM.

Features

  • Provides a single tool: generateUuid

  • Uses UUID v7 for timestamp-based unique identifiers

  • Simple interface with no input parameters needed

  • Easy integration with Claude and other LLMs

Related MCP server: MCP UUID Server

Installation

# Install dependencies
npm install

# Build the project
npm run build

Usage

You can run the server directly:

npm start

Integration with Claude Desktop

To integrate with Claude Desktop, add this to your Claude Desktop configuration file:

  • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json

  • Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "uuid-provider": {
      "command": "node",
      "args": ["/absolute/path/to/uuid-mcp/build/index.js"]
    }
  }
}

Replace /absolute/path/to/uuid-mcp/build/index.js with the absolute path to your built index.js file.

After updating the configuration, restart Claude Desktop to see the UUID generation tool available.

How It Works

This server uses the official uuid package to generate UUID v7 identifiers. UUID v7 is specifically designed to be timestamp-based while maintaining strong uniqueness guarantees:

  • Incorporates a Unix timestamp in millisecond precision

  • Adds randomized data to ensure uniqueness even when multiple IDs are generated in the same millisecond

  • Follows the latest RFC standards for UUID generation

  • Provides chronologically sortable identifiers

  • Prevents collisions in distributed systems

This approach is more reliable than custom UUID implementations and eliminates the potential for duplicates even under high load.

Dependencies

  • @modelcontextprotocol/sdk: For MCP server implementation

  • uuid: For RFC-compliant UUID generation

  • TypeScript and related tools for development

Example

When called, the tool returns a UUID v7 string that looks like:

018e94d2-279b-7bd3-9289-80d1e6619670

The first part of the UUID contains the timestamp, making these identifiers chronologically sortable while still maintaining the standard UUID format.

Available Tools

1 tool
generateUuidA

Generate one or more UUID v7s (timestamp-based). Specify count to get multiple.

ParametersJSON Schema
NameRequiredDescriptionDefault
countNoHow many UUID v7 strings to generate (defaults to 1)

TDQS

A3.5/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden. It discloses that the tool generates UUID v7s (timestamp-based) and allows multiple generations via a count parameter, but it does not cover behavioral traits like rate limits, error handling, or output format. This adds basic context but leaves gaps in transparency.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is two sentences, front-loaded with the core purpose and followed by parameter guidance. Every sentence earns its place without waste, making it efficient and well-structured for quick comprehension.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's low complexity (one optional parameter, no output schema, no annotations), the description is somewhat complete but lacks details on output format or behavioral constraints. It covers the basic operation but could be more informative for an agent to use the tool effectively without additional context.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema description coverage is 100%, with the parameter 'count' fully documented in the input schema. The description adds minimal value by mentioning 'Specify `count` to get multiple,' which reinforces but does not expand beyond the schema. With high coverage, the baseline is 3, as the description does not significantly enhance parameter understanding.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: 'Generate one or more UUID v7s (timestamp-based).' It specifies the verb ('Generate'), resource ('UUID v7s'), and type ('timestamp-based'), but since there are no sibling tools, it cannot differentiate from alternatives. This makes it clear but not maximally specific.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage by stating 'Specify `count` to get multiple,' which suggests when to use the optional parameter. However, it lacks explicit guidance on when to use this tool versus alternatives or any exclusions, as there are no siblings. This provides some context but is not comprehensive.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 1 tool update
    • First observedgenerateUuid
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TDQS

A3.6/5.0

Scored across 1 tool

Disambiguation5/5

With only one tool, there is no possibility of ambiguity or overlap between tools. The tool has a single, clearly defined purpose of generating UUID v7s, making it impossible for an agent to misselect among alternatives.

Naming Consistency5/5

The tool name 'generateUuid' follows a clear verb_noun pattern (generate + Uuid), and since there is only one tool, there is no inconsistency to evaluate. The naming is straightforward and predictable for its singular function.

Tool Count2/5

A single tool is too few for most practical server purposes, as it offers minimal functionality and lacks related operations. While UUID generation is a narrow domain, typical MCP servers benefit from more tools (e.g., 3-15) to cover broader workflows, making this feel thin and limited in scope.

Completeness3/5

The tool covers the core function of generating UUID v7s, but there are notable gaps in the domain. For example, it lacks tools for validating UUIDs, generating other UUID versions (e.g., v4), or handling UUID-related operations like parsing or conversion, which limits agent capabilities in broader UUID management tasks.

Maintenance

ActivityInactive
ResponsivenessNo issues

Resources

Related MCP Connectors

Related MCP Servers

  • UUID MCP Provider

    tanker327
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    A simple Model Context Protocol server that generates timestamp-based UUIDs (v7) when called by an LLM, providing chronologically sortable unique identifiers with no input parameters needed.
    1
    11
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  • MCP UUID Server

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    A simple service that generates random UUIDs when requested through Claude Desktop.
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  • UUIDv7 Generator

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    Generates UUIDv7 strings either individually or in batches, providing time-sortable universally unique identifiers through the Model Context Protocol.
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