What this skill does
Terminal ASCII chart toolkit. Create bar charts, sparklines, histograms, and gauges from CSV or JSON data in the terminal.
Data Visualizer is part of the Messaging & Channels category — messaging and channel skills that connect your agent to chat platforms. You can install it on its own or alongside other messaging & channels skills from the OpenClaw catalog.
How to install Data Visualizer
The easiest path is via the OpenClaw Easy desktop app — one click, no terminal required:
- Download OpenClaw Easy for macOS or Windows (free, one-click installer, ~30 seconds).
- Open the in-app Skills panel.
- Search for
data-visualizerand click Install. - The skill activates automatically when an incoming message matches its description.
Install from the command line
If you already run the OpenClaw CLI, add Data Visualizer with a single command:
openclaw skills add data-visualizer
This pulls data-visualizer from ClawHub and installs it into ~/.openclaw/skills/data-visualizer/. Restart the OpenClaw gateway afterwards so the new skill is discovered.
How to use Data Visualizer
Once installed, Data Visualizer activates on its own: when an incoming message on WhatsApp, Telegram, Slack, Discord, Feishu or Line matches the skill's description, your OpenClaw agent loads it and runs the workflow. You can also trigger it explicitly by describing the task in chat. No extra configuration is required after install.
Manual install (advanced)
If you prefer manual installation:
- Click the Download .zip button above to grab
data-visualizer-3.0.1.zipdirectly from our S3 mirror. - Unzip into
~/.openclaw/skills/data-visualizer/(create the directory if it does not exist). - Restart OpenClaw Easy (or the OpenClaw CLI gateway) so the new skill is discovered.
Frequently asked questions
How do I install Data Visualizer?
Install Data Visualizer in the OpenClaw Easy desktop app by opening the Skills panel, searching for data-visualizer, and clicking Install. From a terminal you can run: openclaw skills add data-visualizer. Either way the skill is placed in ~/.openclaw/skills/data-visualizer/.
Is Data Visualizer free?
Yes. Data Visualizer is free and open-source, distributed under the Apache-2.0 license through ClawHub. No account or payment is required to download or run it.
What does Data Visualizer do?
Terminal ASCII chart toolkit. Create bar charts, sparklines, histograms, and gauges from CSV or JSON data in the terminal.
Related: more messaging & channels skills
If Data Visualizer looks useful, you may also want to check out other messaging & channels skills in the OpenClaw catalog:
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Free, open-source · Apache-2.0 · Works with Claude, ChatGPT, Gemini, or local Ollama models