Topic: codex
8,457 skills in this topic.
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search-first
Research-before-coding workflow. Search for existing tools, libraries, and patterns before writing custom code. Invokes the researcher agent.
x-cmd/skill 19
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project-guidelines-example
Example project-specific skill template based on a real production application.
x-cmd/skill 19
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x-install
Software installation assistant using x-cmd's install module. Use this skill whenever the user needs to query software installation methods, get installation commands, or understand how to install various software packages. Covers: getting installation commands (x install --cat <software>), listing supported software (x install --ll), and more. Triggered by queries like "how to install node", "docker installation command", "install python", "show me git install command", or any software installation lookup.
x-cmd/skill 19
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minimax-xlsx
Open, create, read, analyze, edit, or validate Excel/spreadsheet files (.xlsx, .xlsm, .csv, .tsv). Use when the user asks to create, build, modify, analyze, read, validate, or format any Excel spreadsheet, financial model, pivot table, or tabular data file. Covers: creating new xlsx from scratch, reading and analyzing existing files, editing existing xlsx with zero format loss, formula recalculation and validation, and applying professional financial formatting standards. Triggers on 'spreadsheet', 'Excel', '.xlsx', '.csv', 'pivot table', 'financial model', 'formula', or any request to produce tabular data in Excel format.
x-cmd/skill 19
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springboot-patterns
Spring Boot architecture patterns, REST API design, layered services, data access, caching, async processing, and logging. Use for Java Spring Boot backend work.
x-cmd/skill 19
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groovy
Enhanced Groovy language module for script execution and environment management. Core Scenario: When the user needs to run Groovy scripts or manage the Groovy runtime.
x-cmd/skill 19
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skill-stocktake
Use when auditing Claude skills and commands for quality. Supports Quick Scan (changed skills only) and Full Stocktake modes with sequential subagent batch evaluation.
x-cmd/skill 19
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grep
Pattern search tool with an interactive FZF-powered application for real-time result viewing. Core Scenario: When the user needs to search for text patterns and explore results interactively.
x-cmd/skill 19
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free
Display memory usage with support for CSV/TSV formats and cross-platform (Linux/macOS) compatibility. Core Scenario: When the user needs to monitor RAM usage, buffer/cache, or export memory data for automation.
x-cmd/skill 19
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security-ownership-map
Analyze git repositories to build a security ownership topology (people-to-file), compute bus factor and sensitive-code ownership, and export CSV/JSON for graph databases and visualization. Trigger only when the user explicitly wants a security-oriented ownership or bus-factor analysis grounded in git history (for example: orphaned sensitive code, security maintainers, CODEOWNERS reality checks for risk, sensitive hotspots, or ownership clusters). Do not trigger for general maintainer lists or non-security ownership questions.
x-cmd/skill 19
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x-rfc
RFC (Request for Comments) document query tool providing access to Internet protocol standards. Use this skill whenever the user needs to look up, search, read, or learn about RFC documents. Covers: list RFCs (x rfc ls), view by number (x rfc 791), search (x rfc : http), and AI summary (x rfc :: tls). Triggered by queries like "RFC 791", "TCP standard", "HTTP protocol", "TLS specs", "SMTP RFC", "what is RFC 1918?", or any Internet protocol standard lookup.
x-cmd/skill 19
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ddgo
CLI tool for DuckDuckGo search, supporting result summaries and AI-driven answer extraction. Core Scenario: When the user needs to perform web searches or get AI-summarized answers from DuckDuckGo results.
x-cmd/skill 19
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chatgpt-apps
Build, scaffold, refactor, and troubleshoot ChatGPT Apps SDK applications that combine an MCP server and widget UI. Use when Codex needs to design tools, register UI resources, wire the MCP Apps bridge or ChatGPT compatibility APIs, apply Apps SDK metadata or CSP or domain settings, or produce a docs-aligned project scaffold. Prefer a docs-first workflow by invoking the openai-docs skill or OpenAI developer docs MCP tools before generating code.
x-cmd/skill 19
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pick
Interactive choice list generator for terminal, used to select items from stdin or command output. Core Scenario: When the user needs to create an interactive selection menu for scripts or CLI workflows.
x-cmd/skill 19
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shader-dev
Comprehensive GLSL shader techniques for creating stunning visual effects — ray marching, SDF modeling, fluid simulation, particle systems, procedural generation, lighting, post-processing, and more.
x-cmd/skill 19
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x-network
This skill provides comprehensive network administration and diagnostic tools through x-cmd CLI, including network scanning with Nmap, ARP table management, DNS configuration, routing table analysis, and enhanced ping utilities. This skill should be used when users need to perform network diagnostics, troubleshoot connectivity issues, analyze network topology, or monitor network performance from command line interfaces.
x-cmd/skill 19
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discord
Send messages to Discord channels using bot webhooks. Core Scenario: When the user needs to automate notifications or send alerts to a Discord group.
x-cmd/skill 19
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host
Securely manage /etc/hosts with interactive search, subcommands for adding/removing entries, and automated backups. Core Scenario: When the user needs to edit local hostname-to-IP mappings or perform fuzzy searches in their hosts file.
x-cmd/skill 19
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content-hash-cache-pattern
Cache expensive file processing results using SHA-256 content hashes — path-independent, auto-invalidating, with service layer separation.
x-cmd/skill 19
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scorecard
Automated security tool for assessing open-source project risks and best practices adherence. Core Scenario: When the user needs to evaluate the security health of a GitHub repository or package.
x-cmd/skill 19
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minimax-docx
Professional DOCX document creation, editing, and formatting using OpenXML SDK (.NET). Three pipelines: (A) create new documents from scratch, (B) fill/edit content in existing documents, (C) apply template formatting with XSD validation gate-check. MUST use this skill whenever the user wants to produce, modify, or format a Word document — including when they say "write a report", "draft a proposal", "make a contract", "fill in this form", "reformat to match this template", or any task whose final output is a .docx file. Even if the user doesn't mention "docx" explicitly, if the task implies a printable/formal document, use this skill.
x-cmd/skill 19
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minimax-multimodal-toolkit
MiniMax multimodal model skill — use MiniMax Multi-Modal models for speech, music, video, and image. Create voice, music, video, and images with MiniMax AI: TTS (text-to-speech, voice cloning, voice design, multi-segment), music (songs, instrumentals), video (text-to-video, image-to-video, start-end frame, subject reference, templates, long-form multi-scene), image (text-to-image, image-to-image with character reference), and media processing (convert, concat, trim, extract). Use when the user mentions MiniMax, multimodal generation, or wants speech/music/video/image AI, MiniMax APIs, or FFmpeg workflows alongside MiniMax outputs.
x-cmd/skill 19
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swift-actor-persistence
Thread-safe data persistence in Swift using actors — in-memory cache with file-backed storage, eliminating data races by design.
x-cmd/skill 19
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notion-research-documentation
Research across Notion and synthesize into structured documentation; use when gathering info from multiple Notion sources to produce briefs, comparisons, or reports with citations.
x-cmd/skill 19