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2026-07-08 16:32:45 +08:00
# Build a Feishu AI Agent with nanobot
This guide connects nanobot to Feishu or Lark through the `feishu` channel. The
channel uses a WebSocket long connection, so the first setup does not require a
public webhook URL.
## What this guide builds
- a Feishu/Lark bot app connected to nanobot
- the `feishu` channel enabled in `config.json`
- one pairing-approved Feishu or Lark user
- mention-only group behavior for first deployment
## Prerequisites
- A working local nanobot reply:
```bash
nanobot agent -m "Hello!"
```
- A Feishu or Lark account that can create or approve bot apps.
- Permission to run `nanobot gateway` continuously.
## Install nanobot
```bash
python -m pip install nanobot-ai
nanobot onboard --wizard
```
## Enable the Feishu channel
Install the optional channel dependency:
```bash
nanobot plugins enable feishu
```
The easiest path is QR login:
```bash
nanobot channels login feishu
```
Open the printed URL or scan the QR code. nanobot writes the generated `appId`,
`appSecret`, `domain`, and `enabled` fields into the active config.
If QR login is unavailable, create a Feishu/Lark app manually and merge this
shape into `~/.nanobot/config.json`:
```json
{
"channels": {
"feishu": {
"enabled": true,
"appId": "cli_xxx",
"appSecret": "xxx",
"groupPolicy": "mention",
"streaming": true,
"domain": "feishu"
}
}
}
```
Omitting `allowFrom` enables pairing-only mode. A new user should DM the bot,
get a pairing code, and be approved before using the bot normally.
For manual apps, enable the Bot capability, receive-message events, and Long
Connection mode. If your app cannot get the `cardkit:card:write` permission,
set `"streaming": false`.
## Run nanobot gateway
```bash
nanobot channels status
nanobot gateway
```
## Test a message
DM the bot first. It should return a pairing code. Approve it from a trusted
local surface:
```bash
nanobot agent -m "/pairing approve ABCD-EFGH"
```
After approval, DM the bot again or mention it in a group chat:
```text
@nanobot Hello from Feishu
```
## Security notes
- Prefer pairing-only mode for first setup. Add `allowFrom` only when you want a
static allowlist.
- Keep `groupPolicy` as `"mention"` before inviting the bot into busy groups.
- Store app secrets through environment variables for deployed services.
- Review file, shell, and web tool access before adding more users.
## Troubleshooting
- If QR login is unavailable, use manual app setup from the full chat-apps
reference.
- If streaming cards fail, confirm `cardkit:card:write` or set
`"streaming": false`.
- If no messages arrive, check Feishu/Lark event permissions, Long Connection
mode, and `nanobot gateway --verbose`.
- If a first DM returns a pairing code, approve it before testing normal
replies.
## Next: memory, automations, MCP tools
- [Chat Apps reference](../chat-apps.md)
- [Pairing](../configuration.md#pairing)
- [AI Agent Memory](./ai-agent-memory.md)
- [Configure MCP tools](./configure-mcp-tools.md)