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Task Tracker MCP Server

by azamafridi23

📋 Task Tracker MCP Server

Python 3.10+ FastMCP uv License: MIT

Ein praktischer Model Context Protocol (MCP)-Server, gebaut in Python mit FastMCP und verwaltet mit uv. Dieser Server bietet KI-Assistenten (wie Claude Desktop, Cursor, Antigravity usw.) strukturierte Aufgabenverwaltungsfunktionen.


🌟 Überblick

Das Model Context Protocol (MCP) ist ein offener Standard, der LLMs und KI-Anwendungen eine sichere und nahtlose Interaktion mit externen Tools und Datenquellen ermöglicht.

Dieses Projekt implementiert die drei Kern-MCP-Primitiven:

  • 🛠️ Tools: Aufrufbare Funktionen, die es dem Modell ermöglichen, Aktionen auszuführen (add_task, complete_task, delete_task).

  • 📦 Resources: Schreibgeschützte Daten-URIs, die es dem Modell ermöglichen, den Zustand zu inspizieren (tasks://all, tasks://pending).

  • 💡 Prompts: Vordefinierte Prompt-Vorlagen, die die KI anleiten, komplexe Arbeitsabläufe durchzuführen (z. B. Aufgabenanalyse und Priorisierung).

flowchart LR
    Host["AI Host / Application<br/>(Claude Desktop / Cursor / Antigravity)"] 
    Client["MCP Client<br/>(Protocol Handler)"]
    Server["Task Tracker MCP Server<br/>(FastMCP)"]
    
    Host <--> Client
    Client <--> Server
    
    subgraph ServerCapabilities ["Server Capabilities"]
        Tools["🛠️ Tools<br/>add_task, complete_task, delete_task"]
        Resources["📦 Resources<br/>tasks://all, tasks://pending"]
        Prompts["💡 Prompts<br/>task_summary_prompt"]
    end
    
    Server --- ServerCapabilities

Related MCP server: MCP Task Management Server

🚀 Funktionen & MCP-Primitiven

1. Tools (Aktionen)

Tool

Argumente

Beschreibung

add_task

title: str, description: str = ""

Fügt eine neue Aufgabe mit einer eindeutigen ID und einem ISO-Zeitstempel hinzu.

complete_task

task_id: int

Markiert den Status einer Aufgabe als "completed" und fügt einen Abschlusszeitstempel hinzu.

delete_task

task_id: int

Entfernt eine Aufgabe anhand ihrer ID und gibt das gelöschte Objekt zurück.

2. Resources (Schreibgeschützte Daten)

Resource-URI

Beschreibung

tasks://all

Formatiert und gibt alle Aufgaben mit Emojis zurück (✅ für erledigt, ⏳ für ausstehend).

tasks://pending

Filtert und gibt nur aktive/ausstehende Aufgaben zurück.

3. Prompts (Geführte Arbeitsabläufe)

Prompt

Beschreibung

task_summary_prompt

Führt den KI-Assistenten, um ausstehende versus erledigte Aufgaben zu analysieren, überfällige Elemente zu identifizieren und nächste Aktionen unter Verwendung von tasks://all zu empfehlen.


📦 Erste Schritte mit uv

Dieses Projekt wurde mit uv erstellt und verwaltet, einem extrem schnellen Python-Paket- und Projektmanager, der in Rust von Astral geschrieben wurde.

1. uv installieren

macOS / Linux:

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

Windows:

powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"

Installation überprüfen:

uv --version

2. Repository klonen und einrichten

git clone https://github.com/<your-username>/task-tracker-mcp.git
cd task-tracker-mcp

3. Abhängigkeiten installieren

uv erstellt automatisch eine virtuelle Umgebung (.venv) und installiert alle erforderlichen Abhängigkeiten:

uv sync

🧪 Server testen

Sie können den integrierten asynchronen Client (test_client.py) ausführen, der jedes Tool, jede Resource und jeden Prompt ausführt:

uv run test_client.py

Erwartete Ausgabe:

🚀 Starting FastMCP Test Client...
==================================================

1. Listing Available Tools:
   Found 3 tools: ['add_task', 'complete_task', 'delete_task']

2. Calling 'add_task' Tool:
   Task 1 Response: {"id":1,"title":"Learn MCP", ...}
   Task 2 Response: {"id":2,"title":"Master uv", ...}

3. Listing Available Resources:
   Found 2 resources: [AnyUrl('tasks://all'), AnyUrl('tasks://pending')]

4. Reading 'tasks://all' Resource:
   Current Tasks:
   ⏳ [1] Learn MCP
   ⏳ [2] Master uv

5. Completing Task ID 1:
   Completed Result: {"id":1, "status":"completed", ...}

6. Reading 'tasks://pending' Resource:
   Pending Tasks:
   ⏳ [2] Master uv

7. Listing Available Prompts:
   Found 1 prompts: ['task_summary_prompt']

8. Deleting Task ID 2:
   Delete Result: {"success": true, "deleted": {"id": 2, ...}}

==================================================
✨ All MCP Server tests completed successfully!

🔌 Verbinden und Inspizieren

1. FastMCP CLI Inspector & Entwicklungs-Tools

FastMCP 3.x bietet integrierte CLI-Befehle zum Inspizieren und Debuggen Ihres Servers:

  • Interaktiver Web-Inspektor:

    uv run fastmcp dev inspector task_server.py
  • Server-Zusammenfassung inspizieren:

    uv run fastmcp inspect task_server.py
  • Alle Tools auflisten:

    uv run fastmcp list task_server.py
  • Standalone-Server ausführen:

    uv run fastmcp run task_server.py

2. Claude Desktop-Integration

Fügen Sie die Serverkonfiguration zu Ihrer claude_desktop_config.json hinzu:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "task-tracker": {
      "command": "uv",
      "args": [
        "--directory",
        "/ABSOLUTE/PATH/TO/task-tracker-mcp",
        "run",
        "task_server.py"
      ]
    }
  }
}

📁 Projektstruktur

Task Tracker MCP/
├── pyproject.toml         # Dependency & project metadata (managed by uv)
├── task_server.py         # MCP Server definitions (tools, resources, prompts)
├── test_client.py         # FastMCP async automated test client
├── src/
│   └── task_tracker_mcp/  # Python package entrypoint
│       └── __init__.py
├── .python-version        # Locked Python version
├── .gitignore             # Python & uv exclusions
└── README.md              # Documentation

💡 Wichtige uv-Befehle Spickzettel

Befehl

Beschreibung

uv init

Initialisiert ein neues Python-Projekt mit pyproject.toml

uv add <pkg>

Fügt eine Abhängigkeit zu pyproject.toml hinzu und installiert sie in .venv

uv remove <pkg>

Entfernt eine Abhängigkeit

uv run <script.py>

Führt ein beliebiges Python-Skript innerhalb der isolierten Projektumgebung aus

uv sync

Synchronisiert installierte Pakete mit uv.lock

uv venv

Erstellt explizit eine virtuelle Umgebung


🛠️ Nächste Schritte & Erweiterungen

  • Permanenter Speicher: In-Memory-Liste durch SQLite via aiosqlite oder sqlite3 ersetzen.

  • Priorität & Fälligkeitsdatum: Aufgaben-Prioritätsflags (niedrig, mittel, hoch) und Fälligkeitsdatumsfilter hinzufügen.

  • Such-Tool: Ein search_tasks(query: str)-Tool hinzufügen, um Titel und Beschreibungen zu durchsuchen.

  • Authentifizierung: Endpunkte mit FastMCP-Authentifizierungsanbietern sichern.


📄 Lizenz

Dieses Projekt ist unter der MIT-Lizenz lizenziert - siehe die Datei LICENSE für Details.

Available Tools

3 tools
add_taskC

Add a new task to the task list.

ParametersJSON Schema
NameRequiredDescriptionDefault
titleYes
descriptionNo

Output Schema

ParametersJSON 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 are provided, so the description carries the full behavioral burden. 'Add' implies a mutation, but nothing is said about required permissions, duplicate handling, defaults for description, or state side effects — a significant gap for a write tool.

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?

A single front-loaded sentence with no wasted words, but it is under-specified rather than appropriately concise for a mutation tool with two undocumented parameters.

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?

An output schema exists, so return values need not be described. Still, with no annotations and 0% parameter coverage, the definition leaves an agent without enough behavioral or parameter context to reliably invoke a write operation.

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 never mentions any parameter. It does not clarify that 'title' is required or that 'description' defaults to an empty string, so it adds no parameter meaning beyond the raw schema.

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 clear verb ('Add') and resource ('a new task to the task list'), so the agent can tell it apart from delete_task and complete_task by operation. However, it offers no differentiation language or scope detail beyond the obvious create/delete/complete split.

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 when-to-use guidance, no prerequisites, and no mention of alternatives such as complete_task for status changes. The agent gets a bare purpose statement and must infer all invocation context.

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

complete_taskC

Mark a task as completed.

ParametersJSON Schema
NameRequiredDescriptionDefault
task_idYes

Output Schema

ParametersJSON 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?

Annotations are absent, so the description carries the full behavioral burden. It conveys that this is a state mutation but omits whether the call is idempotent, what happens if the task is already completed, permission requirements, and whether the change is reversible.

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 front-loaded sentence with zero filler, but so terse that it omits information an agent needs rather than being efficiently dense.

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 tool is simple, one required integer parameter, and an output schema exists so return values need not be described. Still, a mutation with no annotations and no parameter documentation leaves gaps around idempotency and error conditions.

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%, so the description must compensate for the undocumented task_id. It only implies 'a task' without stating the identifier format, valid range, or behavior when the id does not exist.

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+resource: 'Mark a task as completed.' An agent immediately knows the operation. However, it offers no differentiation from siblings like delete_task or add_task, which are the plausible confusions for a task-status mutation.

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 when-to-use guidance, no mention of alternatives, and no note on the distinction between completing and deleting a task. Usage is only weakly implied by the verb.

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

delete_taskC

Delete a task from the list.

ParametersJSON Schema
NameRequiredDescriptionDefault
task_idYes

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

C2.6/5.0
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 behavioral disclosure. "Delete" implies a destructive mutation but the description says nothing about irreversibility, required permissions, or what happens to the task afterward — significant gaps for a destructive tool.

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?

A single short sentence with no waste and the action front-loaded, which suits a one-parameter tool. However, the brevity comes at the cost of substance rather than being a model of economical communication.

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?

An output schema exists, so return values need not be explained. But for a destructive mutation with zero annotations and an undocumented parameter, the description omits the safety and side-effect context an agent needs before invoking it.

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 meaning for task_id beyond what the name implies. The single required integer parameter is nearly self-evident, but nothing explains its origin or format, so the description fails to compensate for the schema gap.

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 and resource ("Delete a task"), which is unambiguous against siblings add_task and complete_task, whose verbs already differ. It stops short of explicitly naming those siblings or the scope of deletion, but an agent can distinguish it readily.

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 when-to-use guidance, no prerequisites, and no alternatives named. The agent gets no signal about when deleting is appropriate versus completing or leaving a task alone.

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. 3 tool updatesv0.1.0
    • First observedadd_task
    • First observedcomplete_task
    • First observeddelete_task

TDQS

B3/5.0

Scored across 3 tools

Disambiguation5/5

Each tool targets a clearly distinct action on a task: add, delete, complete. There is no overlap or ambiguity between them, so an agent can easily select the right tool.

Naming Consistency5/5

All three tools follow the exact same verb_noun snake_case pattern (add_task, delete_task, complete_task). Naming is fully predictable.

Tool Count4/5

Three tools is a reasonable, well-scoped set for a minimal task tracker, and each earns its place. It is slightly thin, since a small surface like this leaves little room for the read/lifecycle operations expected of the domain.

Completeness3/5

The set covers create, delete, and a status update, but there is no way to list or retrieve tasks, which is arguably the most essential operation for a tracker. This is a notable gap that will leave agents unable to inspect the task list.

Maintenance

ActivitySlowing
ResponsivenessNo issues

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