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tanker327

UUID MCP Provider

by tanker327
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TypeScript
Hybrid

UUID MCPプロバイダー

LLM によって呼び出されるたびにタイムスタンプベースの UUID を提供するシンプルなモデル コンテキスト プロトコル (MCP) サーバー。

特徴

  • 単一のツールを提供する: generateUuid

  • タイムスタンプベースの一意の識別子として UUID v7 を使用します

  • 入力パラメータを必要としないシンプルなインターフェース

  • Claudeや他のLLMとの簡単な統合

Related MCP server: MCP UUID Server

インストール

# Install dependencies
npm install

# Build the project
npm run build

使用法

サーバーを直接実行できます:

npm start

Claude Desktopとの統合

Claude Desktop と統合するには、Claude Desktop 構成ファイルに以下を追加します。

  • 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"]
    }
  }
}

/absolute/path/to/uuid-mcp/build/index.jsを、ビルドした index.js ファイルへの絶対パスに置き換えます。

設定を更新した後、Claude Desktop を再起動して、UUID 生成ツールが利用可能であることを確認します。

仕組み

このサーバーは、公式のuuidパッケージを使用してUUID v7識別子を生成します。UUID v7は、タイムスタンプベースでありながら、強力な一意性保証を維持するように設計されています。

  • ミリ秒精度のUnixタイムスタンプを組み込む

  • 同じミリ秒内に複数のIDが生成された場合でも一意性を確保するためにランダム化されたデータを追加します。

  • UUID生成の最新のRFC標準に準拠

  • 時系列順に並べ替え可能な識別子を提供する

  • 分散システムにおける衝突を防ぐ

このアプローチはカスタム UUID 実装よりも信頼性が高く、高負荷時でも重複の可能性を排除します。

依存関係

  • @modelcontextprotocol/sdk : MCPサーバーの実装用

  • uuid : RFC準拠のUUID生成用

  • TypeScriptと開発関連ツール

例

呼び出されると、ツールは次のような UUID v7 文字列を返します。

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

UUID の最初の部分にはタイムスタンプが含まれており、標準の UUID 形式を維持しながらこれらの識別子を時系列で並べ替えることができます。

Available Tools

1 tool
generateUuidA

Generate a UUID v7 that's timestamp-based and guaranteed to be unique

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4/5.0
Behavior3/5

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

With no annotations provided, the description carries the full burden. It discloses that the tool generates a UUID v7 (implying a read-only operation that produces output) and specifies it's 'timestamp-based' and 'guaranteed to be unique', which adds useful behavioral context. However, it doesn't mention potential side effects, error conditions, or performance characteristics, leaving some gaps.

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 a single, efficient sentence that directly states the tool's function and key attributes ('timestamp-based', 'guaranteed to be unique'). It is front-loaded with the core purpose and avoids any unnecessary words, making it highly concise and well-structured.

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

Completeness4/5

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

Given the tool's simplicity (0 parameters, no output schema, no annotations), the description is nearly complete for its context. It clearly explains what the tool does and key behavioral traits. A minor deduction is made because it doesn't specify the output format or any usage constraints, but overall it's sufficient for a basic generation tool.

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

Parameters4/5

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

The input schema has 0 parameters with 100% coverage, so no parameter documentation is needed. The description appropriately focuses on the tool's purpose without redundant parameter details, earning a baseline score of 4 for effectively handling a parameterless tool.

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

Purpose5/5

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

The description clearly states the specific action ('Generate') and resource ('UUID v7'), with additional specificity about it being 'timestamp-based' and 'guaranteed to be unique'. It fully distinguishes what the tool does without any sibling tools to differentiate from.

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 context through 'timestamp-based' and 'guaranteed to be unique', suggesting it's suitable for scenarios requiring time-ordered unique identifiers. However, it lacks explicit guidance on when to use this tool versus alternatives, and there are no sibling tools mentioned to provide comparative context.

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

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TDQS

A3.9/5.0
Disambiguation5/5

With only one tool, there is no possibility of ambiguity or overlap between tools. The single tool has a clear, distinct purpose that cannot be confused with any other tool in the set.

Naming Consistency5/5

A single tool inherently has perfect naming consistency, as there are no other tools to compare it against. The tool name 'generateUuid' follows a clear verb_noun pattern and stands alone without any conflicting conventions.

Tool Count2/5

A single tool is too few for most practical server purposes, making the set feel thin and limited. While generating UUIDs is a straightforward task, a server with only one tool lacks the breadth typically expected for agent workflows, even for a simple domain like UUID generation.

Completeness3/5

For the narrow domain of UUID generation, the tool provides the core functionality (generate a UUID v7). However, there are notable gaps, such as no tools for generating other UUID versions (e.g., v4), validating UUIDs, or parsing UUIDs, which limits agent flexibility in handling UUID-related tasks.

Maintenance

ActivityInactive
ResponsivenessNo issues

Resources

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  • MCP UUID Server

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  • UUIDv7 Generator

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