Augmented vision tools for analyzing images beyond native visual capabilities. Use when tasked with describing images in detail, reproducing images as SVGs, identifying subtle…
Audio and video processing with ffmpeg. Use when: user asks to convert, trim, merge, compress, or transcode video or audio files; extract audio from video; create GIFs or animated…
Convert raster images (photos, paintings, illustrations, line art) into SVG vector reproductions. Use when the user uploads an image and asks to reproduce, vectorize, trace, or…
Develop and run Mojo code in Claude.ai containers. Handles installation, compilation, and execution. Use when writing Mojo code, benchmarking Mojo vs Python, or when user mentions…
Open a GitHub PR via API as a flowing graph — branch + push + create_pr + mergeable poll, with structural protection against pushing to main/master/etc.
Generate hierarchical _FEATURES.md files that describe what a codebase DOES from a user/consumer perspective, anchored to source symbols via tree-sitting.
Maintain a structured task list for the current session. Use proactively when a request requires 3+ distinct steps, the user provides multiple items, or complex work benefits from…
Composes single-file HTML artifacts (PR review writeups, status reports, incident postmortems, slide decks, design systems, prototypes, flowcharts, module maps, feature…
Close a GitHub issue with a synthesis comment as a flowing graph — validate the synthesis, post the closing comment, close, then run a pluggable callback (e.g.
Preprocesses photographed sheets of many business cards — slicing each into overlapping high-resolution tiles and de-glaring them with container tooling (OpenCV/ImageMagick) —…
Guidance for building pMARS (portable Memory Array Redcode Simulator) from source. This skill should be used when tasked with compiling pMARS, building Core War simulators from…
Guide for modernizing legacy Python 2 scientific computing code to Python 3 with modern libraries. This skill should be used when migrating scientific scripts involving data…
This skill provides guidance for cracking 7z archive password hashes. It should be used when tasked with recovering passwords from 7z encrypted archives, extracting and cracking…
Guidance for finding probability distributions that satisfy specific statistical constraints such as KL divergence targets.
This skill provides guidance for Raman spectrum peak fitting tasks. It should be used when analyzing spectroscopic data, fitting Lorentzian or Gaussian peaks to Raman spectra, or…
Guide for building metacircular evaluators in Scheme-like languages. This skill applies when implementing interpreters that can interpret themselves, handling tasks involving…
Guide for building CompCert, the formally verified C compiler, from source. This skill should be used when compiling, building, or installing CompCert, or when working with…
Guidance for processing financial documents (invoices, receipts, statements) with OCR and text extraction.
Guidance for implementing proper asyncio task cancellation with signal handling in Python. This skill applies when implementing concurrent task runners that need graceful…
Guidance for training FastText text classification models with constraints on model size and accuracy.
Guide for performing linear cryptanalysis attacks on FEAL and similar Feistel ciphers. This skill should be used when tasks involve breaking FEAL encryption, recovering cipher…
Guidance for fixing LaTeX overfull hbox warnings by replacing words with shorter synonyms from an allowed list.
Guidance for identifying and fixing security vulnerabilities in code. This skill should be used when asked to fix security issues, address CVEs or CWEs, remediate vulnerabilities…
Guidance for optimizing LLM inference request batching and scheduling problems. This skill applies when designing batch schedulers that minimize cost while meeting latency and…
Guidance for extracting weight matrices from black-box ReLU neural networks using only input-output queries.
Guide for configuring Nginx web server with custom request logging, rate limiting, and error pages. This skill should be used when tasks involve Nginx installation, configuration,…
Interactive codebase orientation for human learning. Companion to exploring-codebases (which builds Claude's understanding); this skill builds the user's understanding through…
Guidance for creating polyglot files that are valid in both Python and C. This skill applies when tasked with writing code that must be parseable and executable by both the Python…
Guidance for constructing complex regular expressions that extract and validate data from log files. This skill applies when building regex patterns to parse log entries with…
Guidance for solving ARC-AGI style pattern recognition tasks that involve git operations (fetching bundles, merging branches) and implementing algorithmic transformations.
This skill provides guidance for recovering secrets or sensitive data that have been removed from Git history through operations like reset or rebase, and then properly cleaning…
Guidance for DNA assembly tasks including Golden Gate assembly, Gibson assembly, and restriction enzyme-based cloning.
Guidance for generating legal chess moves using only regex pattern matching and substitution. This skill applies when implementing chess move generators constrained to regex-only…
Guide for extracting code or pseudocode from images using OCR and implementing it correctly. This skill should be used when tasks involve reading code, pseudocode, or algorithms…
Guide for sanitizing git repositories by identifying and replacing sensitive information such as API keys, tokens, and credentials.
Guidance for implementing differential cryptanalysis attacks on FEAL (Fast Data Encipherment Algorithm) and similar block ciphers.
Guidance for implementing PyTorch pipeline parallelism for distributed model training. This skill should be used when tasks involve implementing pipeline parallelism, distributed…
Guidance for developing CoreWars warriors that achieve target win rates against specific opponents. This skill should be used when tasks involve writing, optimizing, or debugging…
Guidance for extracting secrets from protected or obfuscated binaries through systematic static and dynamic analysis.
Guidance for recovering data from corrupted or truncated SQLite database files through binary analysis and manual parsing.
Guidance for setting up QEMU virtual machines with Alpine Linux and SSH access. This skill should be used when tasks involve starting QEMU with Alpine Linux ISO, configuring port…
Guidance for optimizing MuJoCo MJCF model files for simulation performance while maintaining numerical accuracy.
Guidance for setting up Git repositories with automatic web deployment via post-receive hooks. This skill applies when configuring bare Git repositories, setting up web servers to…
Extracts hidden or encoded text from GCODE files by analyzing toolpath geometry and coordinate data. This skill should be used when tasks involve decoding text from 3D printing…
Guide for debugging and fixing bugs in the OCaml garbage collector, particularly memory management issues in the runtime's sweeping and allocation code.
File-upload bridge for Claude Code on the Web. CCotw has no native file mount; this skill creates a throwaway GitHub branch the user can drop files onto via the github.com web UI,…
Guidance for filtering JavaScript and XSS attack vectors from HTML while preserving original formatting.
Guide for designing DNA insertion primers for site-directed mutagenesis (SDM) using Q5 or similar kits.
Guidance for data resharding tasks that involve reorganizing files across directory structures with constraints on file sizes and directory contents.
Guide for implementing combinational/sequential logic circuits using gate-level descriptions in text-based simulators.
Guidance for setting up and configuring mailing list servers with Postfix and Mailman3. This skill should be used when tasks involve configuring email servers, mailing list…
Provides systematic approaches for solving constraint-based scheduling problems, such as finding meeting times that satisfy multiple participant availability windows, preferences,…
Guidance for implementing Adaptive Rejection Sampling (ARS) algorithms. This skill should be used when implementing rejection sampling methods, log-concave distribution samplers,…
Guidance for writing SPARQL queries against RDF/Turtle datasets, particularly for university or academic data.
Guidance for reverse engineering graphics rendering programs (ray tracers, path tracers) from binary executables.
When asked to commit changes to git, use this skill to generate a commit message and Co-authored-by trailer for the model.
Guidance for building POV-Ray (Persistence of Vision Raytracer) from source, particularly legacy versions like 2.2.
Guidance for implementing tensor parallelism in PyTorch, including ColumnParallelLinear and RowParallelLinear layers.
Break out of a locked problem frame by picking one disciplined move — reframe, provocation (Po), random stimulus, SCAMPER, inversion, perspective shift, or constraint play — and…
Guidance for implementing encoders/compressors that must produce output compatible with an existing decoder/decompressor.