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OTRS MCP Server

OTRS MCP Server

OTRS MCP サーバー

OTRS(Open Ticket Request System)API 統合のための Model Context Protocol(MCP)サーバーです。

標準化された MCP インターフェースを通じて OTRS のチケット管理にアクセスできるようにし、AI アシスタントがチケットの作成、検索、管理を行えるようにします。

特徴

  • チケットの作成、読み取り、更新、検索

  • チケット履歴と詳細情報へのアクセス

  • チケットのデフォルト値を設定可能

  • Docker コンテナ化のサポート

  • 証明書検証オプション付きの SSL/TLS サポート

  • AI アシスタント向けの対話型ツールを提供

ツールのリストは設定可能なため、MCP クライアントで利用可能にしたいツールを選択できます。

Related MCP server: tickiti-mcp

前提条件

OTRS サーバーの設定

この MCP サーバーを使用する前に、OTRS インスタンスを設定する必要があります:

ステップ 1: OTRS 管理パネルにアクセス

  • URL: https://your-otrs-server/otrs/index.pl?Action=Admin

  • 管理者資格情報でログインします

ステップ 2: Web サービスの設定

  1. システム管理 → Web サービス に移動します

  2. 以下の操作を含む Web サービス(例:「TestInterface」)を作成または確認します:

    • ✅ SessionCreate

    • ✅ TicketCreate

    • ✅ TicketGet

    • ✅ TicketSearch

    • ✅ TicketUpdate

    • ✅ TicketHistoryGet

ステップ 3: Web サービスの URL をメモ

Web サービスの URL は次のようになります:

https://your-otrs-server/otrs/nph-genericinterface.pl/Webservice/YourWebserviceName

ステップ 4: ユーザー権限を確認

OTRS ユーザーに以下の適切な権限があることを確認してください:

  • チケットの作成と更新

  • 設定項目へのアクセス

  • 汎用インターフェースの使用

使用方法

Docker(推奨)

otrs-mcp を Claude Desktop で実行する最も簡単な方法は Docker を使用することです。Docker がインストールされていない場合は、Docker 公式サイトから入手できます。

ビルド済みイメージを使用する

GitHub Container Registry のビルド済み Docker イメージを使用できます:

{
  "mcpServers": {
    "otrs": {
      "command": "docker",
      "args": [
        "run",
        "--rm",
        "-i",
        "-e",
        "OTRS_BASE_URL=https://your-otrs-server/otrs/nph-genericinterface.pl/Webservice/TestInterface",
        "-e",
        "OTRS_USERNAME=your-username",
        "-e",
        "OTRS_PASSWORD=your-password",
        "-e",
        "OTRS_VERIFY_SSL=false",
        "-e",
        "OTRS_DEFAULT_QUEUE=Raw",
        "-e",
        "OTRS_DEFAULT_STATE=new",
        "-e",
        "OTRS_DEFAULT_PRIORITY=3 normal",
        "ghcr.io/eduardoantoniojunior/otrs-mcp-server:latest"
      ]
    }
  }
}

ローカルでビルドする

ローカルでイメージをビルドする場合:

# Clone the repository
git clone https://github.com/eduardoantoniojunior/otrs-mcp-server.git
cd otrs-mcp-server

# Build the Docker image
docker build -t otrs-mcp-server .

# Run the container
docker run --rm -i \
  -e OTRS_BASE_URL="https://your-otrs-server/otrs/nph-genericinterface.pl/Webservice/TestInterface" \
  -e OTRS_USERNAME="your-username" \
  -e OTRS_PASSWORD="your-password" \
  -e OTRS_VERIFY_SSL="false" \
  otrs-mcp-server

UV で実行する

または、UV を使用してサーバーを直接実行することもできます。まず、環境変数を設定します:

export OTRS_BASE_URL="https://your-otrs-server/otrs/nph-genericinterface.pl/Webservice/TestInterface"
export OTRS_USERNAME="your-username"
export OTRS_PASSWORD="your-password"
export OTRS_VERIFY_SSL="false"
export OTRS_DEFAULT_QUEUE="Raw"
export OTRS_DEFAULT_STATE="new"
export OTRS_DEFAULT_PRIORITY="3 normal"
export OTRS_DEFAULT_TYPE="Unclassified"

次に、Claude Desktop の設定ファイルを編集して、サーバー設定を追加します:

{
  "mcpServers": {
    "otrs": {
      "command": "uv",
      "args": [
        "--directory",
        "<full path to otrs-mcp-server directory>",
        "run",
        "src/otrs_mcp/main.py"
      ],
      "env": {
        "OTRS_BASE_URL": "https://your-otrs-server/otrs/nph-genericinterface.pl/Webservice/TestInterface",
        "OTRS_USERNAME": "your-username",
        "OTRS_PASSWORD": "your-password",
        "OTRS_VERIFY_SSL": "false"
      }
    }
  }
}

注:Claude Desktop で Error: spawn uv ENOENT が表示される場合は、uv のフルパスを指定するか、設定で環境変数 NO_UV=1 を設定する必要がある場合があります。

環境変数

変数

必須

デフォルト

説明

OTRS_BASE_URL

✅

-

OTRS Web サービスのベース URL

OTRS_USERNAME

✅

-

OTRS ユーザー名

OTRS_PASSWORD

✅

-

OTRS パスワード

OTRS_VERIFY_SSL

❌

false

SSL 証明書の検証を有効にする

OTRS_DEFAULT_QUEUE

❌

Raw

新規チケットのデフォルトキュー

OTRS_DEFAULT_STATE

❌

new

新規チケットのデフォルト状態

OTRS_DEFAULT_PRIORITY

❌

3 normal

新規チケットのデフォルト優先度

OTRS_DEFAULT_TYPE

❌

Unclassified

新規チケットのデフォルトタイプ

開発

コントリビューションは歓迎します!提案や改善があれば、issue を開くかプルリクエストを送信してください。

このプロジェクトは Python 3.12 をターゲットとしており(pyproject.toml の requires-python を参照)、そのバージョンでの本番環境での使用が検証されています。

このプロジェクトは依存関係の管理に uv を使用しています。お使いのプラットフォームの手順に従って uv をインストールしてください:

curl -LsSf https://astral.sh/uv/install.sh | sh

Python 3.12 をインストールし(まだの場合)、固定された依存関係で仮想環境を作成します:

# Install the interpreter (managed by uv)
uv python install 3.12

# Create the environment and install dependencies from uv.lock
uv sync --python 3.12 --extra dev

または、従来のワークフローを使用する場合:

uv venv --python 3.12
source .venv/bin/activate  # On Unix/macOS
.venv\Scripts\activate     # On Windows
uv pip install -e .

テスト

OTRS 接続と API 機能をテストします:

# Set environment variables
export OTRS_BASE_URL="https://your-otrs-server/otrs/nph-genericinterface.pl/Webservice/TestInterface"
export OTRS_USERNAME="your-username"
export OTRS_PASSWORD="your-password"
export OTRS_VERIFY_SSL="false"

# Run connectivity test
uv run python tests/connectivity_test.py

# Run API functionality test
uv run python tests/test_working_api.py

# Run debug diagnostics
uv run python tests/debug_test.py

このプロジェクトには、OTRS 設定と API 接続を検証するのに役立つテストスクリプトが含まれています。

pytest でテストを実行します:

# Install development dependencies
uv pip install -e ".[dev]"

# Run the tests
pytest

# Run with coverage report
pytest --cov=src --cov-report=term-missing

Docker イメージの公開

Docker イメージを GitHub Container Registry に公開して一般公開するには:

前提条件

  1. このプロジェクト用の GitHub アカウント とリポジトリ

  2. write:packages 権限を持つ GitHub パーソナルアクセストークン

  3. ローカルにインストールされた Docker

公開手順

  1. GitHub パーソナルアクセストークンを作成:

    • GitHub 設定 → 開発者設定 → パーソナルアクセストークン → トークン(クラシック)に移動

    • write:packages と read:packages 権限で新しいトークンを生成

    • トークンを安全に保管

  2. GitHub Container Registry にログイン:

    echo $GITHUB_TOKEN | docker login ghcr.io -u yourusername --password-stdin
  3. イメージをビルドしてタグ付け:

    # Build the image
    docker build -t otrs-mcp-server .
    
    # Tag for GitHub Container Registry
    docker tag otrs-mcp-server ghcr.io/yourusername/otrs-mcp-server:latest
    docker tag otrs-mcp-server ghcr.io/yourusername/otrs-mcp-server:v0.1.0
  4. レジストリにプッシュ:

    # Push latest tag
    docker push ghcr.io/yourusername/otrs-mcp-server:latest
    
    # Push version tag
    docker push ghcr.io/yourusername/otrs-mcp-server:v0.1.0
  5. パッケージを公開(任意):

    • GitHub リポジトリに移動

    • パッケージセクションに移動

    • パッケージをクリック

    • パッケージ設定に移動

    • 可視性を「パブリック」に変更

GitHub Actions による自動公開

.github/workflows/docker-publish.yml を作成します:

name: Build and Push Docker Image

on:
  push:
    branches: [main]
    tags: ["v*"]
  pull_request:
    branches: [main]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Log in to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

代替:Docker Hub

代わりに Docker Hub に公開する場合:

# Login to Docker Hub
docker login

# Tag for Docker Hub
docker tag otrs-mcp-server yourusername/otrs-mcp-server:latest
docker tag otrs-mcp-server yourusername/otrs-mcp-server:v0.1.0

# Push to Docker Hub
docker push yourusername/otrs-mcp-server:latest
docker push yourusername/otrs-mcp-server:v0.1.0

次に、Claude Desktop の設定を更新して次を使用します:

"ghcr.io/yourusername/otrs-mcp-server:latest"

または

"yourusername/otrs-mcp-server:latest"

利用可能なツール

🎫 チケット管理

  • create_ticket - OTRS に新しいチケットを作成

  • get_ticket - 特定のチケットの詳細情報を取得

  • search_tickets - さまざまな条件でチケットを検索

  • update_ticket - 既存のチケットのプロパティを更新

  • get_ticket_history - チケットの完全な履歴を取得

📊 リソース

  • otrs://ticket/{ticket_id} - チケットデータへの直接アクセス

  • otrs://ticket/{ticket_id}/history - チケット履歴へのアクセス

  • otrs://search/tickets - 最近のチケットの概要

トラブルシューティング

一般的な問題

  1. SSL 証明書エラー: 自己署名証明書の場合は OTRS_VERIFY_SSL=false を設定します

  2. HTTP 301 リダイレクト: OTRS サーバーが HTTP を HTTPS にリダイレクトする場合は、HTTPS URL を使用していることを確認します

  3. 認証エラー: ユーザー名、パスワード、Web サービスの設定を確認します

  4. 操作の欠落: OTRS Web サービスに必要なすべての操作が含まれていることを確認します

デバッグモード

接続の問題を診断するには、デバッグスクリプトを実行します:

uv run python tests/debug_test.py

これにより、HTTP 接続と HTTPS 接続の両方がテストされ、詳細なエラー情報が提供されます。

設定例

参考までに、動作する設定例を次に示します:

# Environment variables
export OTRS_BASE_URL="https://your-otrs-server/otrs/nph-genericinterface.pl/Webservice/TestInterface"
export OTRS_USERNAME="your-username"
export OTRS_PASSWORD="your-password"
export OTRS_VERIFY_SSL="false"
export OTRS_DEFAULT_QUEUE="Raw"
export OTRS_DEFAULT_STATE="new"
export OTRS_DEFAULT_PRIORITY="3 normal"
export OTRS_DEFAULT_TYPE="Unclassified"

OTRS Web サービスの操作

OTRS Web サービスには、次の操作を含める必要があります:

操作名

コントローラー

説明

TicketCreate

Ticket::TicketCreate

新しいチケットを作成

TicketGet

Ticket::TicketGet

チケットの詳細を取得

TicketSearch

Ticket::TicketSearch

チケットを検索

TicketUpdate

Ticket::TicketUpdate

既存のチケットを更新

TicketHistoryGet

Ticket::TicketHistoryGet

チケット履歴を取得

ライセンス

Apache-2.0


Available Tools

5 tools
create_ticketC

Create a new ticket in OTRS

NameRequiredDescriptionDefault
bodyYes
queueNo
stateNo
titleYes
priorityNo
ticket_typeNo
customer_userNo

Output Schema

NameRequiredDescription

No output parameters

TDQS

C2.7/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full burden of disclosing side effects. It only names the action without noting that a persistent OTRS record is created, whether calls are idempotent, whether authentication is required, or what errors may occur.

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

Conciseness4/5

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

A single 7-word sentence with zero filler and the verb front-loaded. It is appropriately brief, though it borders on under-specification rather than genuine explanatory economy.

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

Completeness2/5

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

A 7-parameter tool with no annotations and no parameter descriptions needs far more than a purpose statement; the description omits the required title/body contract and how optional fields are validated. The presence of an output schema covers return values, which keeps this from a 1, but an agent still lacks essential calling context.

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

Parameters2/5

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

Schema description coverage is 0% across 7 parameters, so the description must compensate, but it names no parameters at all. An agent is left with bare parameter names (body, queue, state, priority, ticket_type, customer_user) plus title, with no format, allowable-value, or domain guidance.

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?

States a specific verb ('Create') and resource ('a new ticket in OTRS'), and the word 'new' cleanly separates it from the update_ticket sibling. It is accurate and unambiguous, though it adds only the 'in OTRS' context beyond what the tool name already communicates.

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

Usage Guidelines2/5

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

No guidance on when to use this tool versus get_ticket, search_tickets, or update_ticket. No prerequisites, ordering constraints, or when-not-to-use conditions are mentioned; usage context must be entirely inferred from the tool name.

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

get_ticketB

Get ticket details from OTRS

NameRequiredDescriptionDefault
ticket_idYes
include_extended_dataNo
include_dynamic_fieldsNo

Output Schema

NameRequiredDescription

No output parameters

TDQS

B3.1/5.0
Behavior3/5

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

With no annotations, the description carries the burden of indicating safety; the word 'Get' clearly conveys a read-only retrieval with no mutation, which is useful. However, it adds no detail about access requirements, behavior of the include flags, or potential response size, though some of this is covered by the output schema.

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?

A single sentence, front-loaded with the verb and object, with no filler. It is appropriately sized for a simple retrieval tool.

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?

The output schema covers return shape, so that burden is lifted. Still, with no annotations and sibling tools present, the description doesn't clarify when to choose this tool or how extended data and dynamic fields affect the result, leaving clear gaps in context.

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

Parameters2/5

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

Schema description coverage is 0% and the description adds no parameter-specific meaning beyond the raw schema titles. The required ticket_id is inferable from tool name, but include_extended_data and include_dynamic_fields are not explained, making this less than adequate.

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 identifies a get operation on ticket details from OTRS, which is the correct resource and verb. It does not explicitly contrast with siblings such as get_ticket_history or search_tickets, so it stops short of the top score.

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

Usage Guidelines2/5

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

No guidance is given about when to use this tool over search_tickets, get_ticket_history, or other siblings. The meaning is inferable but not stated; an agent is not told that this is for fetching a single known ticket by ID.

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

get_ticket_historyC

Get ticket history from OTRS

NameRequiredDescriptionDefault
ticket_idYes

Output Schema

NameRequiredDescription

No output parameters

TDQS

C2.8/5.0
Behavior2/5

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

No annotations are present, so the description carries the full burden. It indicates a read operation but does not disclose what 'history' includes, whether it returns change logs versus messages, what auth or prerequisites are needed, or how results are ordered/limited.

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

Conciseness4/5

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

The description is a single efficient sentence with no filler. It could carry more useful detail, but it is well-structured and front-loaded for a simple tool.

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?

With only one parameter and an output schema available, the basic invocation path is reasonably clear. However, the description lacks enough detail about what constitutes ticket history and under what circumstances to choose this over get_ticket, leaving some ambiguity.

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

Parameters2/5

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

Schema description coverage is 0%, and the description does not explain the ticket_id parameter beyond its name and string type. The parameter name is fairly self-explanatory, but the description adds no semantic value to compensate for the missing schema documentation.

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 states a clear verb ('Get'), a specific resource ('ticket history'), and the system ('OTRS'). It is distinguishable from siblings like get_ticket by name and resource, though it does not explicitly contrast itself with them.

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

Usage Guidelines2/5

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

There is no guidance on when to use this tool versus get_ticket or search_tickets. The intended context is implied by the name and description, but no exclusions, alternatives, or conditions are provided.

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

search_ticketsC

Search for tickets in OTRS

NameRequiredDescriptionDefault
limitNo
queueNo
stateNo
titleNo
sort_byNoAge
order_byNoDown
priorityNo
customer_idNo
customer_userNo

Output Schema

NameRequiredDescription

No output parameters

TDQS

C2.4/5.0
Behavior2/5

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

No annotations exist, so the description carries the full disclosure burden, yet it reveals nothing about match semantics, how filters combine, the default sort (Age/Down), or limit/pagination behavior. The output schema helps with return shape but not with behavioral traits an agent needs to predict the tool's effect.

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

Conciseness3/5

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

The single sentence is lean and front-loaded with the core action, but for a tool with 9 optional parameters, this brevity is under-specification rather than efficient structure. There are no wasted words, yet no additional context is packed into the available space.

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

Completeness2/5

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

Given moderate complexity (9 optional filters, no annotations, 0% schema coverage), the description is far too thin to support correct invocation. An agent would not know how filters behave, what values queue/state accept, or how sorting works; the output schema covers only what is returned, not how to call the tool properly.

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

Parameters1/5

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

Schema description coverage is 0% across 9 parameters, and the description does nothing to compensate. It never mentions the filter parameters, does not explain valid values for sort_by/order_by, and does not clarify the distinction between customer_id and customer_user, leaving the agent to guess parameter meaning.

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 states a specific verb ('Search') and resource ('tickets in OTRS'), clearly identifying the tool's core action. The sibling tools use distinct verbs (create, get, update, get_history), so search is implicitly differentiated as the query-multiple-tickets operation, though no explicit contrast is given.

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

Usage Guidelines2/5

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

No guidance is provided on when to use this tool versus alternatives. An agent must infer that get_ticket retrieves a single ticket while search_tickets finds tickets by criteria, but nothing states this, and no exclusions or alternative recommendations are offered.

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

update_ticketC

Update an existing ticket in OTRS

NameRequiredDescriptionDefault
ownerNo
queueNo
stateNo
titleNo
priorityNo
ticket_idYes
customer_userNo

Output Schema

NameRequiredDescription

No output parameters

TDQS

C2.8/5.0
Behavior2/5

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

With no annotations provided, the description must disclose behavioral details on its own. It communicates that the tool mutates an existing ticket, but it does not explain whether updates are partial, what fields are affected, what authorization is needed, or how invalid ticket IDs are handled.

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

Conciseness4/5

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

The description is a single front-loaded sentence with no filler or redundancy. It is concise, though its brevity contributes to the under-specification penalized in other dimensions.

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

Completeness2/5

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

For a tool with 7 parameters and no annotation or schema descriptions, one short sentence is insufficient. The description covers the core operation but omits field-level update semantics, optionality behavior, and error conditions; the presence of an output schema only accounts for return values, not input behavior.

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

Parameters1/5

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

Schema description coverage is 0% and the description adds no parameter information. The 7 parameters, including optional nullable fields like state, priority, and owner, are left entirely to the agent to infer from their titles, so the description fails to compensate for the schema's lack of explanations.

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 states a specific action and resource: 'Update an existing ticket in OTRS'. It clearly indicates this tool modifies an already-created ticket, which distinguishes it from create_ticket and the read-only siblings, but it does not enumerate the updatable fields or explicitly name alternatives.

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?

Usage is only implied: use this tool when an existing OTRS ticket needs to be modified. There is no explicit guidance on when to prefer it over create_ticket or get_ticket, and no conditions, prerequisites, or exclusions are provided.

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. 5 tool updatesv0.2.0
    • First observedcreate_ticket
    • First observedget_ticket
    • First observedget_ticket_history
    • First observedsearch_tickets
    • First observedupdate_ticket

TDQS

B3.3/5.0

Scored across 5 tools

Disambiguation5/5

Each tool targets a distinct operation on tickets: create, retrieve individual details, search, update, and retrieve history. There is no meaningful overlap between get_ticket and get_ticket_history because one returns current state and the other returns the audit trail.

Naming Consistency5/5

All tools follow a consistent verb_noun pattern with snake_case: create_ticket, get_ticket, search_tickets, update_ticket, get_ticket_history. The only minor variation is the plural 'tickets' in search_tickets, which is natural and does not break the pattern.

Tool Count5/5

Five tools is well-scoped for a ticket management server. Each tool represents a core operation without unnecessary redundancy, making the set easy to navigate.

Completeness5/5

The tool surface covers the essential ticket lifecycle: creation, retrieval, search, update, and history lookup. For OTRS, this is a complete and practical set with no obvious dead ends.

Maintenance

ActivitySlowing
ResponsivenessNo issues

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