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Found 10,570 Skills
Explains error handling patterns in web applications including error boundaries, retries, recovery UX, normalized error shapes, graceful degradation, and observability hooks. Use when designing how applications should fail, recover, and communicate problems to users.
Reviews a reverse-skill case package for scope readiness, Evidence to Finding to Path traceability, work item coverage, timeline references, and optional artifact hash integrity before report handoff.
24 deterministic Three.js skills covering WebGL, WebGPU, React Three Fiber, Drei, physics, and IFC (architecture/BIM workflows). Built by the Open AEC Foundation for architecture and engineering workflows on top of 3D web rendering.
Build and modernize WPF applications on .NET with correct XAML, data binding, commands, threading, styling, and Windows desktop migration decisions. USE FOR: working on WPF UI, MVVM, binding, commands, or desktop modernization; migrating WPF from .NET Framework to .NET; integrating newer Windows capabilities into a WPF app. DO NOT USE FOR: unrelated stacks; generic tasks that do not need this specific guidance. INVOKES: inspect the repository context, edit targeted files, and run relevant build, test, lint, or validation commands when changes are made.
Integrate insurance into a financial plan: decide what risks to retain vs transfer, size life insurance with needs-based and human-life-value analysis, and evaluate disability, long-term care, annuity, and liability coverage. Use when the user asks 'how much life insurance do I need', 'term vs whole life', about 'disability insurance' (own-occupation vs any-occupation, group vs individual), 'long-term care' insurance or self-insuring LTC, 'should I buy an annuity' (SPIA, DIA, variable, indexed), or an 'umbrella policy' for liability protection. Also trigger on 'DIME method', 'life insurance calculator', 'whole life vs invest the difference', 'elimination period', 'benefit period', 'hybrid LTC policy', '1035 exchange', 'beneficiary review', or questions about insurance riders, surrender charges, or whether an advisor can recommend insurance products.
Clarify WHAT a phase delivers with ambiguity scoring; produces a SPEC.md before discuss-phase.
Diagnoses bias, anomalies, and strange-looking results on a specific PostHog experiment. Covers empty / 0-exposure experiments, sample ratio mismatch, identity fragmentation, multi-variant exposure, uneven-split exclusion bias, significance traps (peeking, A/A, Bayesian vs Frequentist), PostHog-vs-SQL discrepancies, and surprises after mid-run edits. Symptom-driven dispatch to the right diagnostic. TRIGGER when: user asks 'is my experiment biased?' or 'why 0 exposures?', references the bias banner, says a variant looks strange / wrong / off, sees significance flipping, notices PostHog numbers disagreeing with their SQL, sees an A/A test showing significance, or reports surprises after mid-run edits. DO NOT TRIGGER when: creating a new experiment (use creating-experiments), only configuring rollout (use configuring-experiment-rollout) or metrics (use configuring-experiment-analytics), or only asking lifecycle questions (use managing-experiment-lifecycle).
Read a Canva design and return structured, actionable design feedback — visual hierarchy, copy/messaging, layout & spacing, consistency, readability, and accessibility. Read-only; makes no changes to the design. Use when the user asks to "review my design", "give me feedback on this", "critique my deck/poster/flyer", "how can I improve this design", or "what's wrong with this slide".
VeloDB Cloud operational workflows using velocli CLI. Use for VeloDB Cloud setup, velocli auth, API host selection, warehouse/cluster context management, cluster pause/resume/reboot/create/delete/resize, billing queries, audit log inspection, public access policy, PrivateLink configuration, BYOC/SOCKS5 connectivity, password rotation, warehouse upgrade, and Cloud operations troubleshooting. Also triggers on: "connect to VeloDB Cloud", "set up velocli", "pause cluster", "resume cluster", "check billing", "resize to N vCPU", "configure public access", "set up PrivateLink", "rotate password", "upgrade warehouse", environment switching, stateless mode for CI, audit/infrastructure change investigation, "who changed cluster/network/warehouse settings", and any VeloDB Cloud infrastructure management. Does NOT handle query optimization or table design — those belong to velodb-best-practices.
Use when the user mentions Firetiger or wants to work with their observability data — setting up Firetiger, instrumenting an app with OpenTelemetry, querying traces/logs/metrics with SQL, investigating an incident, monitoring a PR or deployment, or creating a monitoring agent. Always use this skill when the user says "Firetiger", even for simple asks — it routes to the specialized skill that carries the critical gotchas (Basic-auth ingest, DuckDB SQL over per-service tables, the @firetiger comment flow) that prevent common mistakes.
Build small, always-on WebGL visuals (identity avatars, ambient orbs, glass and iridescent surfaces, animated textures) that ship inside a normal web app UI without wrecking performance, accessibility, SSR, or layout. Use whenever a shader-, GLSL-, or canvas-driven decorative element is added to a product UI, especially one rendered many times per page or per list; when reviewing or optimizing one; or when debugging one that renders blurry, aliased, all-black, or paints over the surrounding UI on machines without hardware acceleration.
Pentest a web app or website end to end — black-box testing of a live URL, staging environment, or local dev server that finds and exploits real vulnerabilities (auth bypass, broken access control, IDOR, injection, XSS, SSRF, business logic) and proves each one with a working proof-of-concept instead of a signature match. Runs with Strix, either the self-hosted open-source CLI or the managed app.strix.ai cloud. Use when the user asks to pentest, hack, security-test, or audit their web app, website, web application, or staging site.