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Compare two local documents and convert differences into LLM-ready Markdown in one synchronous call. Supports PDF, Word, PPT, and image documents accepted by Calliper, and returns a structured markdown diff table suitable for change review, clause comparison, downstream extraction, and rule-based validation.

Convert unstructured documents into LLM-ready structured data. Supports PDF, Word, PPT, and images; extracts paragraphs, formulas, tables, charts, and other elements in one step; generates up to 8 levels of headings; and outputs Markdown organized in reading order. Useful for field extraction, comparison and validation, knowledge retrieval, and intelligent Q&A.

Create and operate ChatDOC Studio knowledge bases through pd_router using a Bearer API key and JavaScript helpers. Use when Codex needs to upload one or more PDF/DOC/DOCX files, skip failed files without aborting the whole job, create a knowledge base from successful uploads, or call the ChatDOC Studio knowledge-base skill endpoints through `https://platform.paodingai.com/openapi/chatdoc-studio/..

Create, edit, and extract content from .pptx presentations — slide decks, pitch decks, speaker notes, animations, and templates.

Create, read, edit, and fix spreadsheets — add columns, compute formulas, format cells, generate charts, and clean messy tabular data.

Use this skill for research-style PowerPoint decks, journal clubs, reports, meetings, defenses, or conference slides. It features blue title accents, chevron headers, figure-heavy evidence, and red key-finding boxes.

Read, convert, and edit Korean Hangul documents (.hwp/.hwpx) without Hancom Office. Supports HWP to JSON/Markdown/HTML, HWP to HWPX conversion, and HWPX editing with template filling and placeholder replacement.

Speech-to-text transcription and animated subtitle generation using Whisper and FFmpeg. Creates word-by-word animated captions (karaoke-style), SRT/ASS/VTT subtitles, burns subtitles into video, extracts existing subtitles, converts between formats, and styles captions with custom fonts, colors, and animations. Use when user says "caption", "subtitle", "transcribe", "whisper", "SRT", "ASS", "VTT",

Universal document to Markdown converter. Convert any file (PDF, Word, Excel, PPT, images, audio, video, YouTube URLs) to clean LLM-ready Markdown. Use when: - User wants to convert documents to Markdown - User needs to process entire directories of files - User has YouTube videos or audio files to transcribe - User wants to prepare content for LLM processing Triggers: "convert to markdown", "anyt

Pre-commit secrets detection with pattern-based scanning for API keys, tokens, passwords, private keys, and connection strings. Self-contained — no external tools required.

Search ChatGPT conversation exports using SQLite FTS5 (SQLite full-text search). BM25-ranked full-text search (relevance scoring) with TF-IDF keywords (term-weighted key phrases), date/role/model/language filtering, and conversation browsing. Use when agent needs to search past ChatGPT conversations by topic, find specific discussions, browse conversation history, or find conversations by extracte

Generates llms.txt files from project documentation following the llmstxt.org spec. Use when asked to create AI-friendly documentation indexes, generate llms.txt, or make a project discoverable by AI assistants.