Topic: codex
8,457 skills in this topic.
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hn
Browse Hacker News from the CLI with interactive TUI, AI search integration, and user analysis. Core Scenario: When the user wants to read top HN posts, search HN via AI, or analyze HN user stats.
x-cmd/skill 19
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spreadsheet
Use when tasks involve creating, editing, analyzing, or formatting spreadsheets (`.xlsx`, `.csv`, `.tsv`) using Python (`openpyxl`, `pandas`), especially when formulas, references, and formatting need to be preserved and verified.
x-cmd/skill 19
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pixi
Cross-platform package manager and workflow tool based on Conda, with mirror acceleration. Core Scenario: When the user needs fast, isolated environments for Python, C++, or other multi-language projects.
x-cmd/skill 19
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coding-standards
Universal coding standards, best practices, and patterns for TypeScript, JavaScript, React, and Node.js development.
x-cmd/skill 19
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regex-vs-llm-structured-text
Decision framework for choosing between regex and LLM when parsing structured text — start with regex, add LLM only for low-confidence edge cases.
x-cmd/skill 19
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x-system
This skill provides comprehensive system administration and monitoring tools through x-cmd CLI, including process management, macOS system utilities, network configuration, disk health monitoring, and storage analysis. This skill should be used when users need to perform system administration tasks, monitor system performance, manage network configurations, or troubleshoot system issues from command line interfaces.
x-cmd/skill 19
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kill
Enhanced kill command with support for recursive termination and killing processes by port. Core Scenario: When the user needs to terminate groups of processes or free up specific network ports (80/443).
x-cmd/skill 19
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x-security
This skill provides comprehensive security assessment and vulnerability management tools through x-cmd CLI, including network reconnaissance with Shodan, vulnerability scanning with OSV, and known exploited vulnerability tracking with KEV. This skill should be used when users need to perform security assessments, vulnerability research, network reconnaissance, or security monitoring from command line interfaces.
x-cmd/skill 19
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render-deploy
Deploy applications to Render by analyzing codebases, generating render.yaml Blueprints, and providing Dashboard deeplinks. Use when the user wants to deploy, host, publish, or set up their application on Render's cloud platform.
x-cmd/skill 19
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api-design
REST API design patterns including resource naming, status codes, pagination, filtering, error responses, versioning, and rate limiting for production APIs.
x-cmd/skill 19
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pandoc
Universal document converter supporting conversions between Markdown, HTML, PDF, and more. Core Scenario: When the user needs to convert document formats or fetch web content as Markdown.
x-cmd/skill 19
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qywx
Send messages to Enterprise WeChat (QYWX) groups using bot webhooks. Core Scenario: When the user needs to automate notifications or send reports to a QYWX group.
x-cmd/skill 19
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osv
CLI for Google's Open Source Vulnerabilities (OSV) project, providing vulnerability scanning and dependency analysis. Core Scenario: When the user needs to scan projects for vulnerabilities or query specific CVE/OSV IDs.
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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ws
Workspace management tool providing isolated environments for command execution and file management. Core Scenario: When the user needs to execute commands or manage files within a specific project workspace.
x-cmd/skill 19
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kev
Retrieve and list Known Exploited Vulnerabilities (KEV) from official security catalogs. Core Scenario: When the user needs to audit system safety against actively exploited security flaws.
x-cmd/skill 19
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neuropixels-analysis
Neuropixels neural recording analysis. Load SpikeGLX/OpenEphys data, preprocess, motion correction, Kilosort4 spike sorting, quality metrics, Allen/IBL curation, AI-assisted visual analysis, for Neuropixels 1.0/2.0 extracellular electrophysiology. Use when working with neural recordings, spike sorting, extracellular electrophysiology, or when the user mentions Neuropixels, SpikeGLX, Open Ephys, Kilosort, quality metrics, or unit curation.
x-cmd/skill 19
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gwas-database
Query NHGRI-EBI GWAS Catalog for SNP-trait associations. Search variants by rs ID, disease/trait, gene, retrieve p-values and summary statistics, for genetic epidemiology and polygenic risk scores.
x-cmd/skill 19
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datamol
Pythonic wrapper around RDKit with simplified interface and sensible defaults. Preferred for standard drug discovery including SMILES parsing, standardization, descriptors, fingerprints, clustering, 3D conformers, parallel processing. Returns native rdkit.Chem.Mol objects. For advanced control or custom parameters, use rdkit directly.
x-cmd/skill 19
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ensembl-database
Query Ensembl genome database REST API for 250+ species. Gene lookups, sequence retrieval, variant analysis, comparative genomics, orthologs, VEP predictions, for genomic research.
x-cmd/skill 19
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pymc-bayesian-modeling
Bayesian modeling with PyMC. Build hierarchical models, MCMC (NUTS), variational inference, LOO/WAIC comparison, posterior checks, for probabilistic programming and inference.
x-cmd/skill 19
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adaptyv
Cloud laboratory platform for automated protein testing and validation. Use when designing proteins and needing experimental validation including binding assays, expression testing, thermostability measurements, enzyme activity assays, or protein sequence optimization. Also use for submitting experiments via API, tracking experiment status, downloading results, optimizing protein sequences for better expression using computational tools (NetSolP, SoluProt, SolubleMPNN, ESM), or managing protein design workflows with wet-lab validation.
x-cmd/skill 19
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scientific-critical-thinking
Evaluate scientific claims and evidence quality. Use for assessing experimental design validity, identifying biases and confounders, applying evidence grading frameworks (GRADE, Cochrane Risk of Bias), or teaching critical analysis. Best for understanding evidence quality, identifying flaws. For formal peer review writing use peer-review.
x-cmd/skill 19
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pubchem-database
Query PubChem via PUG-REST API/PubChemPy (110M+ compounds). Search by name/CID/SMILES, retrieve properties, similarity/substructure searches, bioactivity, for cheminformatics.
x-cmd/skill 19