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LangBot Knowledge Engine - Document ingestion and vector retrieval using Host infrastructure

Essential commands, previously included in LangBot

Long-term memory plugin for LangBot. Dual-layer architecture - L1 core profile (system prompt) + L2 episodic memory (RAG via vectorDB).

Retrieve knowledge from or store files into Dify knowledge bases

General Parsers - Extract text from PDF, Word, Markdown, HTML, TXT, and image files

Compatible with OpenAI format image generation plugin

View system status including CPU, memory, and disk usage

Search A tool for performing a Google SERP search and extracting snippets and webpages.Input should be a search query.

Schedule notifications with natural language. LLM can help you set reminders at specific times.

A search engine tool built specifically for AI agents (LLMs), delivering real-time, accurate, and factual results at speed.

Retrieve knowledge from or store files into RAGFlow knowledge bases

Display weather information using QWeather API

Summarize group chat messages using LLM. Supports manual commands, LLM tool calls, and scheduled auto-summaries.

Agentic RAG plugin that exposes knowledge base retrieval as a Tool, allowing the Agent to autonomously decide when and what to search.

Retrieve knowledge from FastGPT knowledge bases

Monitor group chat messages for keywords and send private alerts to admins. Supports multiple groups and keyword lists.

Automatically detect foreign language messages and translate them using LLM. Supports configurable target language and translation style.

Automatically summarize web page content from URLs shared in chat using LLM.

Scaffold a new LangBot skill: write a clean SKILL.md, structure scripts and templates, and register it. Use when the user wants to create or author a new skill.

Fetch a web page and convert its main content to clean Markdown, stripping boilerplate.

Translate text between languages while preserving tone, formatting, and terminology. Use when the user asks to translate content.

Render Markdown into a clean PNG card, ideal for sharing formatted text in chat.

Plot bar, line, pie, scatter, and histogram charts from data, saved as PNG.

Generate QR codes from text/URLs and decode QR codes found in images.

Extract text from images and scans with OCR. Supports English and Chinese.

人工接管与人工回复插件,可阻断AI消息处理

Create and render Mermaid diagrams (flowchart, sequence, class, ER, Gantt) to SVG/PNG.

Convert SRT/VTT, shift or scale timings, and extract plain text from subtitles.

Profile and clean tabular data (CSV/TSV/Excel): types, nulls, duplicates, headers.

Run a Dify application as a LangBot AgentRunner.

Run a WeKnora agent or knowledge-base chat app as a LangBot AgentRunner.

Built-in agent with model fallback, tools, and knowledge retrieval.

Encode and decode base64, base64url, and hex for text or files.

Parse and inspect IPv4/IPv6 addresses and CIDR ranges: validate, classify private/global, show netmask, broadcast, host count, and test membership.

Run an n8n workflow webhook as a LangBot AgentRunner.

Generate the data payload strings for common QR codes (wifi, vcard, url, geo, mailto), ready to feed into any QR image generator.

Run Codex CLI as a LangBot AgentRunner.

Explain a 5-field cron expression in plain English and list the next N run times.

Convert colors between HEX, RGB, HSL and CSS names, and generate tints and shades.

Convert between common units of length, weight, temperature, data size, and time.

Format, validate, minify, and query JSON.

Infer a draft-07 JSON Schema from a sample JSON document, recursively typing objects, arrays, and scalars with required keys.

Parse, validate, and convert .env files to/from JSON, and mask secret values for safe sharing.

Find, count, and remove duplicate lines in text with case/whitespace-insensitive options and order-preserving dedupe.

Compute md5/sha1/sha256/sha512 hashes of text or files and verify against an expected digest.

Convert text between snake_case, camelCase, PascalCase, kebab-case, CONSTANT_CASE, Title Case and more.

Generate a table of contents from Markdown headings with GitHub-style anchor links.

Turn any text or title into a clean URL-safe slug, transliterating unicode/accents to ascii.

Decode a JWT and print its header and payload claims with human-readable exp/iat, WITHOUT verifying the signature.

Convert between YAML and JSON and validate YAML, using a pure-stdlib YAML engine (no PyYAML).

Show a unified, context, side-by-side, or HTML diff between two texts or files.

Generate strong random passwords and diceware-style passphrases with configurable length and character classes.

Convert integers between binary, octal, decimal, hex and any base 2-36.

Convert between Unix timestamps and human dates across timezones and do date math (diff, add/subtract).

Pretty-print and indent a SQL query: uppercase keywords, put major clauses (SELECT/FROM/WHERE/JOIN/GROUP BY/ORDER BY) on their own lines, indent subqueries.

Generate UUIDs (v4 random, v5/v3 namespaced, v1 time-based) and validate UUID strings.

Test a regular expression against sample text and explain what it matches.

Search emoji by keyword to get the character and name, and count or strip emoji from text.

Count words, characters, lines, sentences, paragraphs and estimate reading time for text.

Parse, build, and percent-encode/decode URLs and query strings; inspect URL components.

Align and prettify a Markdown table, or convert CSV into a Markdown table with aligned columns.

Compute readability scores (Flesch Reading Ease, Flesch-Kincaid grade) plus word/sentence/syllable stats for a passage.

Generate placeholder lorem ipsum text by words, sentences, or paragraphs, with optional classic opening and reproducible seed.

Run a Coze bot as a LangBot AgentRunner.

Run an Aliyun DashScope application as a LangBot AgentRunner.

Convert CSV to JSON and JSON arrays back to CSV, with automatic delimiter and header detection.

Run an Ant Tbox application as a LangBot AgentRunner.

Run a Langflow flow as a LangBot AgentRunner.

Run a DeerFlow LangGraph agent as a LangBot AgentRunner.

Run Claude Code CLI as a LangBot AgentRunner.

Run any Agent Client Protocol compatible coding agent as a LangBot AgentRunner.