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nanobot/docs/guides/telegram-ai-agent.md
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# Build a Telegram AI Agent with nanobot
This guide connects nanobot to Telegram so a paired Telegram user can message a
self-hosted AI agent backed by your normal nanobot config, tools, memory, and
workspace.
## What this guide builds
- a Telegram bot created through BotFather
- the `telegram` channel enabled in nanobot
- a running nanobot gateway
- one pairing-approved Telegram account
## Prerequisites
- A working nanobot CLI reply:
```bash
nanobot agent -m "Hello!"
```
- A Telegram account.
- A bot token from `@BotFather`.
## Install nanobot
```bash
python -m pip install nanobot-ai
nanobot onboard --wizard
```
## Enable the Telegram channel
Install the optional channel dependency:
```bash
nanobot plugins enable telegram
```
Merge this snippet into `~/.nanobot/config.json`:
```json
{
"channels": {
"telegram": {
"enabled": true,
"token": "YOUR_BOT_TOKEN"
}
}
}
```
Omitting `allowFrom` enables pairing-only mode. The first DM from a new user
gets a pairing code instead of agent access.
Telegram uses long polling by default. Webhook mode is available for public
HTTPS deployments; start with long polling for the first test.
## Run nanobot gateway
```bash
nanobot channels status
nanobot gateway
```
Leave the gateway running while you test messages.
## Test a message
Open Telegram, DM the bot, and send:
```text
Hello from Telegram
```
The bot should reply with a pairing code. Approve it from an already trusted
surface, such as the local CLI:
```bash
nanobot agent -m "/pairing approve ABCD-EFGH"
```
Send the message again after approval. The reply should use the same model and
workspace as your local CLI check.
## Security notes
- Prefer pairing-only mode for first setup. Add `allowFrom` only when you want a
static allowlist instead of code approval.
- Do not use `allowFrom: ["*"]` unless the bot is isolated or intentionally public.
- Rotate the BotFather token if it is pasted into logs or shared files.
- Review tool access before adding group chats or more users.
## Troubleshooting
- If the channel is not listed, run `nanobot plugins enable telegram` again in
the same Python environment.
- If messages do not arrive, run `nanobot gateway --verbose` and check the bot
token.
- If a first DM returns a pairing code, that is expected. Approve the code before
testing normal agent replies.
- If Telegram Web shows unsupported rich messages, keep `richMessages` disabled.
## Next: memory, automations, MCP tools
- [Chat Apps reference](../chat-apps.md)
- [AI Agent Memory](./ai-agent-memory.md)
- [Long-running AI Agent](./long-running-ai-agent.md)
- [Configure MCP tools](./configure-mcp-tools.md)