What this skill does
Compose and send emails using AI with human approval for sending, allowing edits or rejection before delivery.
Backend Developer is part of the Creative & Writing category — creative and writing skills for content, social posts, and media. You can install it on its own or alongside other creative & writing skills from the OpenClaw catalog.
How to install Backend Developer
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
langchain-email-agentand 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 Backend Developer with a single command:
openclaw skills add langchain-email-agent
This pulls langchain-email-agent from ClawHub and installs it into ~/.openclaw/skills/langchain-email-agent/. Restart the OpenClaw gateway afterwards so the new skill is discovered.
How to use Backend Developer
Once installed, Backend Developer 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
langchain-email-agent-1.0.0.zipdirectly from our S3 mirror. - Unzip into
~/.openclaw/skills/langchain-email-agent/(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 Backend Developer?
Install Backend Developer in the OpenClaw Easy desktop app by opening the Skills panel, searching for langchain-email-agent, and clicking Install. From a terminal you can run: openclaw skills add langchain-email-agent. Either way the skill is placed in ~/.openclaw/skills/langchain-email-agent/.
Is Backend Developer free?
Yes. Backend Developer 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 Backend Developer do?
Compose and send emails using AI with human approval for sending, allowing edits or rejection before delivery.
Related: more creative & writing skills
If Backend Developer looks useful, you may also want to check out other creative & writing skills in the OpenClaw catalog:
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Free, open-source · Apache-2.0 · Works with Claude, ChatGPT, Gemini, or local Ollama models