md-to-image Skill
description: Convert Markdown tables to PNG images for Telegram, WhatsApp, and other chat interfaces that don't support table formatting.
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Why use this skill
md-to-image is most useful when you want an agent workflow that is more structured than an ad-hoc prompt. Instead of restating the same expectations every time, a dedicated SKILL.md file gives the assistant a repeatable brief. In this case, the core value is clarity: the repo already frames the workflow around utility skills tasks, and the skill source gives you a portable starting point you can evaluate, adapt, and reuse. The inferred platform for this skill is Generic Skills, which helps you judge whether it is likely to feel native in your current agent ecosystem or whether it is better treated as a general reference.
That matters because AI assistants are better when the operating context is explicit. A good skill turns hidden team expectations into visible instructions. It can name preferred tools, describe failure modes, define what “done” looks like, and reduce the amount of corrective prompting you need after the first draft. For developers exploring the wider SKILL.md ecosystem, this page helps answer the practical question: is this skill specific and maintained enough to be worth trying?
How to evaluate and use it
Start with the source repo and the preview below. The preview tells you whether the instructions are actionable or just aspirational. Strong skills usually describe triggers, recommended tools, steps, and known pitfalls. Weak skills tend to stay generic. This one lives in diegosouzapw/awesome-omni-skill, which gives you a concrete repo context, update history, and direct ownership trail.
Once you confirm the scope looks right, test it on a small task before making it part of a larger workflow. If it improves consistency, keep it. If it is too broad, outdated, or conflicts with your own process, treat it as a reference rather than a drop-in rule. That is the healthiest way to use directory-discovered skills: not as magic plugins, but as reusable operational knowledge that still deserves judgment.
SKILL.md preview
Previewing the source is one of the fastest ways to judge whether a skill is truly useful. This snippet comes from the public file in the linked repository.
---
name: md-to-image
description: Convert Markdown tables to PNG images for Telegram, WhatsApp, and other chat interfaces that don't support table formatting.
homepage: https://github.com/openclaw/openclaw
metadata:
{
"openclaw":
{
"emoji": "📊",
"requires": { "bins": ["node"], "nodeModules": ["puppeteer-core"] },
"install":
[
{
"id": "npm",
"kind": "npm",
"path": "~/.openclaw/workspace/md-to-image",
"label": "Install md-to-image dependencies",
},
],
},
}
---
# md-to-image
Convert Markdown tables to PNG images for chat interfaces that don't support table formatting (like Telegram).
## When to use (trigger phrases)
Use this skill immediately when:
- Any response contains a markdown table destined for Telegram or WhatsApp
- User says "use table to image" or "convert this table"
- Output has `| column | column |` pattern and channel is Telegram
## Quick start
```bash
# Convert markdown file to PNG
node ~/.openclaw/workspace/md-to-image/md-to-image.js input.md output.png --scale=2
# Convert from stdin
echo "| A | B |\n|---|---|" | node md-to-image.js - output.png
```
## Auto-apply
This skill auto-applies at 95% confidence when:
- Channel is Telegram or WhatsApp
- Content contains `| table |` pattern
- 2+ rows, 2+ columns
- Data is informational (not ASCII art)
## Options
| Option | Default | Description |
|--------|---------|-------------|
| `--scale` | 2 | Image scale (2x for retina) |
| `--theme` | calm | Color theme: cal
...