Guidelines for writing Python flow tests (end-to-end behavioral tests). Use this when writing new Python tests in tests/pytests/, and as the review criteria when reviewing changes to them.

Guide for porting a C module to Rust. Use this when starting to port a C module to Rust.

Create and refine the GitHub issues and epics that later sessions work — draft a standalone issue for one piece of work, or a parent tracker issue (epic) with child issues. Invoke when: planning new work, drafting or editing an issue or epic, or when asked 'let's plan X'. Counterpart to the `issue` and `epic` skills, which work already-created issues; `planning` authors them. Each issue covers one coherent thing.

Receive and verify Affonso affiliate-program webhooks. Use when setting up Affonso webhook handlers, debugging X-Affonso-Signature verification, or handling events like affiliate.created, referral.converted, transaction.created, transaction.paid, and payout.paid.

Aggregate cryptocurrency news from configured RSS sources including CoinDesk, CoinTelegraph, The Block, and Decrypt. Use when needing to monitor crypto market news, track announcements, or find coin-specific updates. Trigger with phrases like "get crypto news", "latest Bitcoin headlines", "DeFi announcements", "scan for breaking news", or "check crypto updates".

Plan, manage, and optimize a domain portfolio. Use this skill for DNS architecture decisions, redirect strategies, registrar choice, parking unused domains, multi-site setups, and domain consolidation or split planning. Triggers on DNS, domain, registrar, redirect, parking, subdomain, apex, www vs non-www, multi-site, portfolio, hreflang setup, domain migration. Also triggers when planning a new site that needs domain decisions made before launch.

Design and run a documentation system for a team or product. Use this skill when planning what to document, choosing a documentation tool, organizing existing docs, fixing stale documentation, designing a maintenance cadence, or scoping technical writing work. Triggers on documentation, docs, tech writing, knowledge base, wiki, runbook, README, internal docs, doc audit, doc maintenance, stale docs, where do we document. Also triggers when the team is repeatedly answering the same questions or when onboarding takes too long.

UiPath Agent Gateway MCP servers (`uip agenthub mcp` / `uip agenthub mcp-tools`). Register, update, refresh tools, check connections, list, get, delete MCP servers: uipath (Orchestrator processes, agents, agentic processes, API workflows as tools), coded (published uipath-mcp Python server package), command (npx/uvx), remote (HTTP MCP URL, Relay), swagger (OpenAPI spec), platform (UiPath service operations, e.g. Test Manager); set users' own connections on a remote server; get the MCP URL a client connects to. For an agent that calls MCP tools→uipath-agents. For `uip mcp serve` (the uip CLI as an MCP server)→uipath-platform.

Decompose financial variances into drivers with narrative explanations and waterfall analysis. Use when analyzing budget vs. actual, period-over-period changes, revenue or expense variances, or preparing variance commentary for leadership.

Choosing and configuring three.js materials - unlit, diffuse, specular, PBR, toon, point and line materials - shared properties like blending and stencil, environment response, and the WebGPU node-material and TSL equivalents. Use when styling meshes or tuning material behavior.

Interview the user relentlessly about a plan or design until reaching shared understanding, resolving each branch of the decision tree. Use when user wants to stress-test a plan, get grilled on their design, or mentions "grill me".

Diagnose RHEL system issues including systemd service failures, SELinux denials, firewall blocking, and system resource problems. Automates multi-step diagnosis: journalctl log analysis, SELinux denial detection (ausearch), firewall rule inspection, and systemd unit status. Use this skill when applications fail on standalone RHEL/Fedora/CentOS hosts deployed via /rhel-deploy. Triggers on /debug-rhel command or phrases like "service won't start on RHEL", "SELinux blocking", "systemd failed", "firewall blocking".

Command-line interface for Mermaid Live Editor - Create, edit, and render Mermaid diagrams via stateful project files and mermaid.ink renderer URLs. Designed for AI agents and power users who need to generate flowcharts, sequence diagrams, and other visualizations without a GUI.

UnoCSS instant atomic CSS engine, superset of Tailwind CSS. Use when configuring UnoCSS, writing utility rules, shortcuts, or working with presets like Wind, Icons, Attributify.

Entry point for local AI conversation history across Claude Code, Codex and Kimi CLI: routes each request to the reader or continuation skill that owns it and keeps the cross-provider inventory. Use when the platform is unknown or plural ("what was I working on", "we discussed this once") and for any Kimi CLI history. When platform and action are already clear, load that skill directly.

Classify a skills CLI pull request from its description and patch, while respecting existing labels.

Classify a skills CLI pull request from its description and patch, while respecting existing labels.

Resolve and enrich Knowledge people, companies, projects, and concepts during an authorized ingestion or entity update, with sourced State, source notes, and links. Read-only identity questions do not authorize writes.

High-performance toolkit for genomic interval analysis in Rust with Python bindings. Use when working with genomic regions, BED files, coverage tracks, overlap detection, tokenization for ML models, or fragment analysis in computational genomics and machine learning applications.

Simplify settled, recently changed code for clarity, reuse, quality, and efficiency while preserving behavior. Use after implementation and before review; use ce-debug for bugs.