Ascii Charts
by mberto10
This skill should be used when generating progress visualizations, charts, graphs, sparklines, progress bars, or dashboards in the terminal. Provides patterns for ASCII-based data visualization in Claude Code responses.
Skill Details
Repository Files
1 file in this skill directory
name: ASCII Charts description: This skill should be used when generating progress visualizations, charts, graphs, sparklines, progress bars, or dashboards in the terminal. Provides patterns for ASCII-based data visualization in Claude Code responses. version: 1.0.0
ASCII Chart Patterns for Terminal Visualization
Use these patterns when generating visual representations of tracking data.
Progress Bars
Basic Horizontal Bar
Progress: ████████████░░░░░░░░ 60%
Characters: █ (filled), ░ (empty) Width: 20 characters standard
Labeled Bar
Sleep (7.5h) ███████████████░░░░░ 75%
Weight goal ██████████████████░░ 90%
Exercise ████████░░░░░░░░░░░░ 40%
Multi-segment Bar
Week Overview: ██████░██████░░░░░░░
M T W T F S S
Sparklines
Simple Trend Line
Last 7 days: ▁▂▄▃▅▆█
Characters: ▁ ▂ ▃ ▄ ▅ ▆ ▇ █ (8 levels)
With Value Labels
Weight (kg): 75.5 ─▂▃▄▃▂▁─ 74.8
↓ trending down
Extended Sparkline
Sleep hours (30 days):
▄▅▆▃▄▅▆▇▅▄▃▄▅▆▅▄▅▆▇▆▅▄▃▄▅▆▅▄▅▆
Box-Drawing Charts
Line Chart
8h ─┤ ╭─╮
│ ╭──╯ ╰╮
7h ─┤╭─╯ ╰─╮
│ ╰─
6h ─┴────────────
Mon Sun
Characters: ─ │ ╭ ╮ ╰ ╯ ┼ ├ ┤ ┬ ┴
Bar Chart (Vertical)
█
█ █ █
█ █ █ █ █
█ █ █ █ █ █
──────────────
M T W T F S S
Comparison Chart
This Week Last Week
Mon ████████ ██████
Tue ██████████ ████████
Wed ████ ████████
Thu ████████ ██████████
Fri ████████ ████████
Tables
Simple Table
┌──────────┬───────┬────────┐
│ Metric │ Value │ Status │
├──────────┼───────┼────────┤
│ Weight │ 74.8 │ ↓ │
│ Sleep │ 7.5h │ ✓ │
│ Exercise │ 3/7 │ ⚠ │
└──────────┴───────┴────────┘
Wide Table
══════════════════════════════════════════════════
Metric Value Trend Status
══════════════════════════════════════════════════
Morning meditation 6/7 ↑ +2 ✓ Good
Weight 74.8 kg ↓ -0.4 ✓ Good
Sleep duration 7.2h avg → 0 ○ Ok
Exercise 3/7 ↓ -1 ⚠ Watch
══════════════════════════════════════════════════
Status Indicators
Checkmarks and Crosses
✓ Completed ✗ Missed ○ Pending ● Active
Trend Arrows
↑ Improving ↓ Declining → Stable
Emoji Status
🔥 Streak active 💪 Goal met ⚠️ Attention needed
✨ Personal best 📈 Trending up 📉 Trending down
Progress Indicators
● ● ● ● ● ○ ○ (5/7 complete)
[▓▓▓▓▓▓▓▓░░] (80% progress)
Dashboards
Daily Summary
═══════════════════════════════════════
TODAY: December 24, 2024
═══════════════════════════════════════
HABITS Done
───────────────────────────────────────
✓ Morning meditation
✓ Reading (45 min)
✗ Exercise
○ Journaling (pending)
METRICS Value vs Avg
───────────────────────────────────────
Sleep 7.5h +0.3h
Weight 74.8 kg -0.2kg
Mood 8/10 +1
STREAKS Current Best
───────────────────────────────────────
🔥 Reading 12 days 21 days
🔥 Meditation 5 days 14 days
Weekly Overview
WEEK OF DEC 18-24
════════════════════════════════════════════════
Mon Tue Wed Thu Fri Sat Sun Total
Meditation ✓ ✓ ✗ ✓ ✓ ✓ ✓ 6/7
Reading ✓ ✓ ✓ ✓ ✓ ✓ ✓ 7/7
Exercise ✓ ✗ ✗ ✓ ✗ ✓ ✗ 3/7
────────────────────────────────────────────────
Sleep (h) 7.5 8.0 6.0 7.0 7.5 8.5 7.0 Avg: 7.4
HIGHLIGHTS
• Reading: 7-day perfect week! 🎉
• Sleep avg up 0.3h from last week
• Exercise needs attention (43%)
Calendar Views
Month Calendar
December 2024
───────────────────────────
Su Mo Tu We Th Fr Sa
1 2 3 4 5 6 7
✓ ✓ ✓ ✓ ✗ ✓ ✓
8 9 10 11 12 13 14
✓ ✓ ✓ ✓ ✓ ✓ ✓
15 16 17 18 19 20 21
✗ ✓ ✓ ✓ ✓ ✓ ✓
22 23 24
✓ ✓ ○
───────────────────────────
Completion: 19/23 (83%)
Habit Heatmap
Meditation Heatmap (Dec)
░ = 0 ▒ = partial █ = done
Week 1: █ █ █ █ ░ █ █
Week 2: █ █ █ █ █ █ █
Week 3: ░ █ █ █ █ █ █
Week 4: █ █ █ · · · ·
Formatting Guidelines
- Consistent widths: Use fixed-width sections (40 or 60 chars)
- Clear headers: Use ═══ for major sections, ─── for subsections
- Alignment: Right-align numbers, left-align text
- Whitespace: Use blank lines between sections
- Status at a glance: Lead with visual indicators (✓, ✗, 🔥)
- Legends: Include legend if symbols aren't obvious
- Context: Always show timeframe and comparison basis
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