marun 93c52fcd4c Enhance Lark Bot Ability to Reply to Quoted Messages (#2043)
* fix(database): Update database version requirement to 20

- Increase required_database_version from 19 to 20
- Add documentation on database schema version check

* feat(lark): Added support for message references and topic message grouping

- Implemented the function to extract reference message IDs from messages, supporting parent message identification

- Added a method to construct event messages from SDK message items

- Implemented the function to asynchronously obtain reference messages and convert them into message chains

- Integrated reference message injection logic into the message processing flow

- Added a mechanism to filter source components while retaining reference content

- Implemented a method to obtain the starter ID with topic awareness

- Provided session isolation support for topic range in group thread messages

- Supported stable maintenance of conversation context in group thread discussions

- Handled cases where topic messages cannot reliably detect reference targets

* feat(lark): Implement a duplicate prevention mechanism for Feishu topic message references

- Add class-level cache to store processed topic IDs and timestamps

- Implement a timed cleanup mechanism to remove expired topic records

- Add cache size limit to prevent memory from growing indefinitely

- Return the parent message ID and mark it as processed when the first reply is made to a topic

- Return None in subsequent replies to the same topic to avoid duplicate references

- Implement automatic cache trimming to ensure stable performance
2026-03-12 21:48:30 +08:00
2026-02-16 14:07:50 +08:00
2025-11-28 15:01:54 +08:00
2025-11-06 21:34:02 +08:00
2025-10-07 00:15:56 +08:00
2025-05-20 09:39:46 +08:00
2025-09-13 09:44:18 +08:00

LangBot

LangBot - Production-grade IM bot made easy. | Product Hunt

Production-grade platform for building agentic IM bots.

Quickly build, debug, and ship AI bots to Slack, Discord, Telegram, WeChat, and more.

English / 简体中文 / 繁體中文 / 日本語 / Español / Français / 한국어 / Русский / Tiếng Việt

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Website Features Docs API Cloud Plugin Market Roadmap


What is LangBot?

LangBot is an open-source, production-grade platform for building AI-powered instant messaging bots. It connects Large Language Models (LLMs) to any chat platform, enabling you to create intelligent agents that can converse, execute tasks, and integrate with your existing workflows.

Key Capabilities

  • AI Conversations & Agents — Multi-turn dialogues, tool calling, multi-modal support, streaming output. Built-in RAG (knowledge base) with deep integration to Dify, Coze, n8n, Langflow.
  • Universal IM Platform Support — One codebase for Discord, Telegram, Slack, LINE, QQ, WeChat, WeCom, Lark, DingTalk, KOOK.
  • Production-Ready — Access control, rate limiting, sensitive word filtering, comprehensive monitoring, and exception handling. Trusted by enterprises.
  • Plugin Ecosystem — Hundreds of plugins, event-driven architecture, component extensions, and MCP protocol support.
  • Web Management Panel — Configure, manage, and monitor your bots through an intuitive browser interface. No YAML editing required.
  • Multi-Pipeline Architecture — Different bots for different scenarios, with comprehensive monitoring and exception handling.

→ Learn more about all features


Quick Start

LangBot Cloud — Zero deployment, ready to use.

One-Line Launch

uvx langbot

Requires uv. Visit http://localhost:5300 — done.

Docker Compose

git clone https://github.com/langbot-app/LangBot
cd LangBot/docker
docker compose up -d

One-Click Cloud Deploy

Deploy on Zeabur Deploy on Railway

More options: Docker · Manual · BTPanel · Kubernetes


Supported Platforms

Platform Status Notes
Discord
Telegram
Slack
LINE
QQ Personal & Official API
WeCom Enterprise WeChat, External CS, AI Bot
WeChat Personal & Official Account
Lark
DingTalk
KOOK
Satori

Supported LLMs & Integrations

Provider Type Status
OpenAI LLM
Anthropic LLM
DeepSeek LLM
Google Gemini LLM
xAI LLM
Moonshot LLM
Zhipu AI LLM
Ollama Local LLM
LM Studio Local LLM
Dify LLMOps
MCP Protocol
SiliconFlow Gateway
Aliyun Bailian Gateway
Volc Engine Ark Gateway
ModelScope Gateway
GiteeAI Gateway
CompShare GPU Platform
PPIO GPU Platform
ShengSuanYun GPU Platform
接口 AI Gateway
302.AI Gateway

→ View all integrations


Why LangBot?

Use Case How LangBot Helps
Customer Support Deploy AI agents to Slack/Discord/Telegram that answer questions using your knowledge base
Internal Tools Connect n8n/Dify workflows to WeCom/DingTalk for automated business processes
Community Management Moderate QQ/Discord groups with AI-powered content filtering and interaction
Multi-Platform Presence One bot, all platforms. Manage from a single dashboard

Live Demo

Try it now: https://demo.langbot.dev/

  • Email: demo@langbot.app
  • Password: langbot123456

Note: Public demo environment. Do not enter sensitive information.


Community

Discord


Star History

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Contributors

Thanks to all contributors who have helped make LangBot better:

Languages
Python 63.8%
TypeScript 34.6%
JavaScript 1%
CSS 0.4%
Shell 0.1%