How to Create a Guardian Bot for Your Telegram Group Chat

Telegram’s June 2026 update introduced Guardian bots for group chats: AI admins that guard the door to private communities and keep conversations clean after people get in. If you run a paid community, a support group, or any channel where low-quality joins kill engagement, this feature is built for you.

The official announcement describes Guardian bots that process join requests, run flexible mini-app screening (quizzes, questions, custom flows), and optionally remove rule-breaking posts inside the chat. You can build that stack yourself with webhooks and the Bot API. Or you can ship it in an afternoon with TeleClaw and @claw using natural-language prompts.

This guide explains what Guardian bots do, how to configure one with TeleClaw (no code), and how the manual webhook path works if you prefer to self-host.

Key takeaways

• Guardian bots combine join-request screening with optional in-group moderation.
• TeleClaw lets you define screening questions, pass/fail rules, and post-admission enforcement in a few prompts.
• Manual builds use chat_join_request webhooks, custom mini-apps, and your own AI backend.
• One admin bot beats stacking a CAPTCHA bot plus a separate moderation bot.
• Start with join screening, review flagged users for a week, then tighten auto-reject rules.

What Telegram Guardian bots actually do

Before Telegram labeled them “Guardian bots,” admins stitched together CAPTCHA bots, join-approval workflows, and spam filters. The June 2026 release formalizes the pattern: AI bots as admins that Telegram expects to handle admission and enforcement.

A complete Guardian workflow covers three layers:

1. Join request handling: When someone requests access to a private group, the bot receives the request and runs your screening flow before you approve or deny.
2. Applicant screening: Mini-app UI for custom questions, skill checks, or policy acknowledgments. Telegram’s blog example shows a two-question quiz before a music producers group admits a member.
3. In-chat enforcement: After admission, the same bot can delete spam, enforce topic rules, and mute repeat offenders.

That third layer overlaps with general Telegram group moderation. Guardian bots add the gate that moderation-only tools skip.

For background on Telegram’s release, see the official post on Guardian bots for group chats.

Why communities need a Guardian bot now

Public Telegram groups attract bot floods, scam links, and drive-by promoters. Private groups with open invite links face the same problem one click later: anyone with the link can request access.

Guardian bots matter when:

• Paid or premium communities need to verify that applicants read the rules and belong in the niche.
• Support groups must block competitors, spam accounts, and serial trolls before they reach members.
• Professional networks (developers, traders, creators) want a lightweight skills or intent check at the door.
• Large free groups switching to approve-to-join need automation because human admins cannot review hundreds of requests daily.

If spam after admission is your bigger pain, pair Guardian screening with our Telegram anti-spam bot guide. Guardian bots solve the first mile. Moderation rules solve the rest of the chat.

Option A: Create a Guardian bot with TeleClaw (recommended)

TeleClaw is the fastest path from zero to a working Guardian bot. You do not write webhook handlers, host a server, or design a mini-app from scratch. You add @claw, promote it to admin, and describe how admissions and enforcement should work.

Step 1: Enable join requests on your group

1. Open your group settings and set Chat type to a private group if it is not already.
2. Enable Approve new members (join requests) so every applicant must be approved.
3. Add @claw to the group.
4. Promote @claw to administrator with Delete messages, Ban users, Restrict members, and Invite users via link as needed.

Detailed permission screenshots live in our add bot to Telegram group guide.

Step 2: Tell TeleClaw it is the Guardian

Open a private chat with @claw or the TeleClaw dashboard. Send a setup prompt that defines the gate and the rules inside the group.

TeleClaw maps that instruction to join-request handling plus in-chat moderation. Adjust tone, languages, and strictness in plain language.

Step 3: Configure screening questions

Telegram’s Guardian mini-app flow supports multi-step quizzes. Mirror that structure in your prompts so applicants know what to expect.

This matches the screening pattern Telegram showcased: structured questions, automatic pass/fail, no manual DM ping-pong.

Step 4: Set in-chat enforcement rules

Guardian duty does not end at admission. Add enforcement prompts so one bot handles the full lifecycle.

Run the group for seven days with warnings only. Review what @claw flags, then enable auto-delete for obvious spam.

Try TeleClaw now: add @claw as admin, paste Prompt 1, and send a test join request from a second account.

Option B: Build a Guardian bot manually with webhooks

Developers who need custom mini-app UI, proprietary scoring, or data residency can build a Guardian bot on the Telegram Bot API.

High-level architecture:

1. Create a bot with @BotFather and receive an API token.
2. Set a webhook pointing to your HTTPS server (setWebhook). Telegram pushes updates to your endpoint.
3. Handle chat_join_request updates when users request to join. Inspect from, user_chat_id, and invite_link metadata.
4. Run screening logic in your backend: call your AI model, serve a custom mini-app, or present inline questions.
5. Approve or decline with approveChatJoinRequest or declineChatJoinRequest.
6. Optional: continue processing message updates for moderation (delete, restrict, ban).

Manual builds offer maximum flexibility. They also carry ongoing cost: hosting, TLS certificates, model API bills, monitoring, and Bot API rate limits. Most community admins prefer TeleClaw unless they already operate bot infrastructure.

Guardian bot vs classic moderation bots

Classic bots like Rose or Shieldy excel at keyword filters and CAPTCHA on /start. Guardian bots add semantic screening: AI evaluates whether an answer demonstrates real intent, not just whether it matches a regex.

TeleClaw combines both: hard rules for known spam domains, AI for join answers and contextual moderation. That is why we recommend one Guardian bot instead of three single-purpose bots fighting for admin priority.

See our best Telegram bots in 2026 roundup for how specialized bots compare to all-in-one Guardian setups.

Troubleshooting common Guardian bot issues

Join requests never reach the bot. Confirm the group uses approve-to-join, @claw is admin, and privacy mode allows group updates. Re-send /start in the group after promoting the bot.

Screening feels too strict. Loosen prompts: accept partial answers, add a retry question, or route borderline cases to human admins instead of auto-decline.

False positives after admission. Narrow auto-delete rules. Require two signals (new account + external link) before deleting. Keep admin alerts on for the first week.

Applicants abandon the quiz. Shorten to one required question plus an optional second. Long forms hurt conversion even when enforcement is correct.

Start guarding your Telegram group today

Telegram’s Guardian bots turn join requests from an admin bottleneck into an automated, AI-native workflow. You can wire that up with webhooks, custom mini-apps, and your own models. Or you can describe the gate in three prompts and let @claw handle admissions and enforcement today.

Add TeleClaw to your group, enable join requests, paste your screening prompts, and review results for a week. Your members get a cleaner community. You get your evenings back.