adf-mcp-server
adf-mcp-server
Schreibgeschützter MCP-Server (Model Context Protocol) für Azure Data Factory Überwachung und Root-Cause-Analyse, entwickelt für die Nutzung mit VS Code / Claude Code.
Status: Schritt 1 (Skelett + Health-Check). Noch keine Azure-Konnektivität – das wird in Schritt 2 (Authentifizierung) und Schritt 3 (ADF-Tools) hinzugefügt.
Voraussetzungen
Python 3.11+
Related MCP server: azure-adf-mcp
Lokale Einrichtung
cd adf-mcp-server
python -m venv .venv
source .venv/bin/activate # Windows: .venv\Scripts\activate
pip install -e ".[dev]"
cp .env.example .env.env benötigt derzeit nur den Server-Einstellungsblock (ADF_MCP_*). Die
AZURE_*-Zeilen sind Platzhalter für Schritt 2 – lassen Sie sie vorerst auskommentiert.
Server ausführen
python -m adf_mcp.server
# or, after `pip install -e .`:
adf-mcp-serverDer Server kommuniziert über stdio – wenn man ihn direkt in einem Terminal ausführt,
sieht es aus, als würde er hängen; das ist erwartungsgemäß, da er auf einen MCP-Client
(VS-Code-Erweiterung, Claude Code, mcp dev usw.) wartet, der sich über stdin/stdout verbindet.
Konfiguration in VS Code
Setzen Sie die Server-Konfiguration Ihrer MCP-fähigen Erweiterung auf:
{
"command": "python",
"args": ["-m", "adf_mcp.server"],
"cwd": "/absolute/path/to/adf-mcp-server"
}Sobald die Verbindung hergestellt ist, rufen Sie das Tool health_check auf – es sollte
{"status": "ok", ...} zurückgeben, ohne Azure überhaupt zu berühren.
Tests ausführen
pip install -e ".[dev]" pytest-asyncio
pytest -vProjektaufbau
Siehe src/adf_mcp/ – server.py (MCP-Transport), config.py (Einstellungen),
logging_config.py (strukturierte Logging). Domänenlogik und Azure-Konnektivität
werden ab Schritt 3 unter src/adf_mcp/domain/ hinzugefügt.
Fehlerbehebung
Client zeigt sofort „Server getrennt" an: Prüfen Sie, dass
python -m adf_mcp.serverzuerst sauber läuft – ein Startup-Fehler beendet den Prozess, bevor der Client überhaupt eine Verbindung aufbauen kann.Client kann Antworten nicht parsen / verstümmelte Ausgabe: Es wurde etwas an stdout geschrieben, das nicht das MCP-Protokoll ist (z. B. ein versehentliches
print()). Das gesamtes Protokollieren in diesem Projekt geht aus genau diesem Grund auf stderr.
Available Tools
1 toolhealth_checkA
Report that the MCP server is up and configuration loaded correctly.
Useful as a first call from any MCP client (VS Code, Claude Code) to confirm the server started, before any Azure-dependent tools exist.
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
Output Schema
| Name | Required | Description |
|---|---|---|
No output parameters | ||
TDQS
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 clearly indicates a read-only status check (no mutation implied) and adds a timing context ('before any Azure-dependent tools exist') that is useful. It doesn't explicitly state 'no side effects' or failure behavior, but the output schema likely covers those details. The added context is valuable and goes beyond the tool's name.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is concise: two short sentences. The first front-loads the core purpose, and the second provides usage context. No filler or repetition, every sentence earned its place.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a zero-parameter tool with an output schema present, the description fully covers purpose and usage. It tells the agent exactly when to call it and why, and the output schema handles return details. Nothing critical is missing.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The tool has zero parameters and the schema is trivially fully described (empty object). Per the baseline rule for 0 params, a score of 4 is appropriate; the description needs no parameter information since none exist.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description states a specific verb ('Report') and a clear resource ('MCP server is up and configuration loaded correctly'). It is obviously distinct from the sibling Azure tools (factories, pipelines, triggers), leaving no ambiguity about what this tool does.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Explicitly instructs when to use: 'first call from any MCP client (VS Code, Claude Code) to confirm the server started, before any Azure-dependent tools exist.' This gives clear context and implicitly advises against using it after other tools, making its role in the workflow obvious.
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 tool update
v0.1.0- First observed
health_check
TDQS
Scored across 1 tool
There is only one tool, so no agent could confuse it with another. The health_check tool has a clear and unique purpose as a readiness probe.
The single tool name is clean and uses standard snake_case; however, with only one tool, no meaningful set-wide naming convention is established.
A server named adf-mcp-server exposing only a health_check tool is far below the minimum viable tool surface. This is a single trivial tool, which matches the lowest end of the scale.
The server gives agents no way to interact with the Azure Data Factory domain at all. A health check alone is severely incomplete and leaves every meaningful user workflow unavailable.
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