mcpbeat

Timeline Creator

mhattingpete/timeline-creator

Create HTML timelines and project roadmaps with Gantt charts, milestones, phase groupings, and progress indicators. Use when users request timelines, roadmaps, Gantt charts, project schedules, or milestone visualizations.

14k tokens
context cost
the whole folder, loaded on every use
5
files
instructions only
0
copies elsewhere
how many repositories repackaged it
656
stars on the repo
on the repository, not the skill itself

Install

one command, takes just this skill from the repository 
npx skills add https://github.com/mhattingpete/claude-skills-marketplace --skill timeline-creator

The instruction itself

6 sections, as written by the author

Timeline Creator

Create interactive HTML timelines and project roadmaps with Gantt charts and milestones.

When to Use

  • "Create timeline for [project]"
  • "Generate roadmap for Q1-Q4"
  • "Make Gantt chart for schedule"
  • "Show project milestones"

Components

  • Timeline Header: project name, date range, completion %
  • Phase Groups: Q1, Q2, Q3, Q4 or custom phases
  • Timeline Items: tasks with start/end dates, progress, status
  • Milestones: key deliverables with dates
  • Gantt Visualization: horizontal bars showing duration

HTML Structure

<!DOCTYPE html>
<html>
<head>
  <title>[Project] Timeline</title>
  <style>
    body { font-family: system-ui; max-width: 1400px; margin: 0 auto; }
    .timeline-bar { background: linear-gradient(90deg, #4299e1, #48bb78); height: 20px; border-radius: 4px; }
    .milestone { border-left: 3px solid #e53e3e; padding-left: 10px; }
    /* Status colors: #48bb78 (done), #4299e1 (in-progress), #718096 (planned) */
  </style>
</head>
<body>
  <h1>[Project] Timeline</h1>
  <!-- Phase sections with timeline bars -->
  <!-- Milestones list -->
</body>
</html>

Timeline Bar Pattern

<div class="timeline-item">
  <span>Task Name</span>
  <div class="timeline-bar" style="width: [percentage]%; background: [status-color];"></div>
  <span>[start] - [end]</span>
</div>

Workflow

  • Extract tasks, dates, phases from project
  • Calculate duration percentages
  • Group by phases (quarters or custom)
  • Create HTML with Gantt-style bars
  • Add milestones section
  • Write to [project]-timeline.html

Use semantic colors for status, keep layout responsive.

How to use it

Copy the folder

Take mhattingpete/timeline-creator from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.