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Launch a Streamlit GUI for Task Master tasks.json editing. Use when users want a visual interface instead of CLI/MCP commands.

Install Skill

1Download skill
2Enable skills in Claude

Open claude.ai/settings/capabilities and find the "Skills" section

3Upload to Claude

Click "Upload skill" and select the downloaded ZIP file

Note: Please verify skill by going through its instructions before using it.

SKILL.md

name task-master-viewer
description Launch a Streamlit GUI for Task Master tasks.json editing. Use when users want a visual interface instead of CLI/MCP commands.

Task Master Viewer

Visual GUI for managing Task Master tasks.json files.

When to Use

Use when:

  • User asks to "view tasks visually", "open task editor", "launch GUI", or "see tasks in browser"
  • User wants to edit multiple tasks without typing commands
  • User needs to reorganize task hierarchy
  • CLI/MCP tools feel cumbersome

Don't use when:

  • User is comfortable with CLI (task-master list, etc.)
  • User wants to script or automate tasks
  • Headless/server environment without browser

Quick Start

1. Check Streamlit Installation

python -c "import streamlit" 2>/dev/null && echo "✓ Installed" || pip install -U streamlit

2. Launch Application

cd .claude/skills/task-master-viewer && streamlit run app.py

Output:

Local URL: http://localhost:8501

App opens automatically in user's browser.

3. Tell User

✓ Task Master editor is open at http://localhost:8501

To stop: Close browser tab and press Ctrl+C

Technical Details

File Location: .claude/skills/task-master-viewer/app.py

Dependencies: streamlit (only requirement)

Default Path: PROJECT_ROOT/.taskmaster/tasks/tasks.json

Port: 8501 (auto-increments if busy)

Theme: Snowflake brand colors in .streamlit/config.toml

Data Format: Standard Task Master JSON with tagged task lists

Stopping the App

Foreground (default):

# User presses Ctrl+C

Kill Process:

pkill -f "streamlit run"

Background (if needed):

cd .claude/skills/task-master-viewer
nohup streamlit run app.py > /dev/null 2>&1 &
echo $! > streamlit.pid

# To stop:
kill $(cat streamlit.pid)

Common Issues

Issue Solution
"Address already in use" pkill -f "streamlit run" then restart
"Module 'streamlit' not found" pip install streamlit
Wrong directory error Must run from .claude/skills/task-master-viewer/
File not found User sets path in sidebar settings

Best Practices

Do:

  • ✅ Check/install Streamlit before launching
  • ✅ Run from skill directory
  • ✅ Tell user the URL
  • ✅ Explain how to stop
  • ✅ Mention all instructions are in the app

Don't:

  • ❌ Leave running indefinitely
  • ❌ Launch multiple instances
  • ❌ Edit tasks.json while app is open
  • ❌ Explain features (app has help text)

Integration

Works alongside:

  • Task Master CLI commands
  • Task Master MCP tools
  • Direct JSON editing (use "🔄 Reload" button)

Example Response

User: "Can I see my tasks visually?"

Agent:

Installing Streamlit... ✓
Launching Task Master editor... ✓

Editor is open at http://localhost:8501

All instructions are in the app interface.
To stop: Close browser tab and press Ctrl+C.