Stdio Skill

What this skill does

Stdin/stdout file inbox/outbox bridge for passing files to/from Clawdbot using an MCP stdio server. Use when you want a simple filesystem-backed dropbox: accept files into an inbox, move to tmp for processing, and emit deliverables to an outbox (or a specified path).

Stdio Skill 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 Stdio Skill

The easiest path is via the OpenClaw Easy desktop app — one click, no terminal required:

1. Download OpenClaw Easy for macOS or Windows (free, one-click installer, ~30 seconds).
2. Open the in-app Skills panel.
3. Search for stdio-skill and click Install.
4. The skill activates automatically when an incoming message matches its description.

Install from the command line

If you already run the OpenClaw CLI, add Stdio Skill with a single command:

openclaw skills add stdio-skill

This pulls stdio-skill from ClawHub and installs it into ~/.openclaw/skills/stdio-skill/. Restart the OpenClaw gateway afterwards so the new skill is discovered.

How to use Stdio Skill

Once installed, Stdio Skill 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:

1. Click the Download .zip button above to grab stdio-skill-1.0.0.zip directly from our S3 mirror.
2. Unzip into ~/.openclaw/skills/stdio-skill/ (create the directory if it does not exist).
3. Restart OpenClaw Easy (or the OpenClaw CLI gateway) so the new skill is discovered.

Frequently asked questions

How do I install Stdio Skill?

Install Stdio Skill in the OpenClaw Easy desktop app by opening the Skills panel, searching for stdio-skill, and clicking Install. From a terminal you can run: openclaw skills add stdio-skill. Either way the skill is placed in ~/.openclaw/skills/stdio-skill/.

Is Stdio Skill free?

Yes. Stdio Skill 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 Stdio Skill do?

Stdin/stdout file inbox/outbox bridge for passing files to/from Clawdbot using an MCP stdio server. Use when you want a simple filesystem-backed dropbox: accept files into an inbox, move to tmp for processing, and emit deliverables to an outbox (or a specified path).

Related: more messaging & channels skills

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