xonovex

@xonovex source repo

75 skills
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6 hours ago last updated

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Fp Guide · xonovex bundle
Use when writing functional-style code or reviewing for FP cleanliness. Triggers on prompts about pure functions, immutability, function composition, module-level functions, explicit context passing, avoiding inheritance, or stateless designs, even when the user doesn't say 'FP' or 'functional'.

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Pi Guide · xonovex bundle
Use when configuring Pi extensions, packages, skills, settings, context injection, tool interception, permissions, or subagent patterns. Triggers on .pi/extensions, pi packages, project_trust, tool_call, tool_result, context, compaction, registerTool, full-system permissions, no built-in sandbox, package pinning, or Pi onboarding, even when the user doesn't say 'Pi extension'.

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Bdd Guide · xonovex bundle
Use when driving software from concrete agreed examples of behaviour: running three-amigos discovery and example mapping before coding, formulating Given-When-Then scenarios in feature files, and treating them as living documentation that tests the team their shared understanding. ATDD and BDD are one practice here. Triggers on BDD, ATDD, Gherkin, Given-When-Then, Cucumber, feature file, scenario / scenario outline, three amigos, example mapping, specification by example, living documentation, acceptance-test-driven, even when the user doesn't say 'BDD'.

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C99 Guide · xonovex bundle
Use when editing or reviewing general-purpose C99: libraries, CLI tools, system code without strong opinions on memory ownership or layout. Triggers on `.c`/`.h` files and prompts about C99 idioms, designated initializers, fixed-width types, const-correctness, malloc/free patterns, inline functions, value-oriented APIs, sanitizers, or error returns, even when the user doesn't say 'C'.

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Ddd Guide · xonovex bundle
Use when finding and naming domain boundaries and modelling inside them: establishing a ubiquitous language, drawing bounded contexts and a context map, protecting a model with an anti-corruption layer, and applying the tactical building blocks (entity, value object, aggregate + root, domain event, repository, domain/application service). Triggers on ubiquitous language, bounded context, context map, anti-corruption layer, aggregate / aggregate root, entity vs value object, domain event, repository, strategic vs tactical design, anemic domain model, even when the user doesn't say 'DDD'.

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Ecs Guide · xonovex bundle
Use when designing or implementing a data-oriented Entity-Component-System: archetype/bitmask storage, contiguous per-type component arrays, filter-and-batch systems, change tracking, and syncing ECS state into stateful external systems (renderer, physics). Triggers on entities, components, archetypes, systems, world iteration, component bitmasks, mirroring transforms to physics, even when the user doesn't say 'ECS'.

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Git Guide · xonovex bundle
Use when running git operations or resolving repo-state issues. Triggers on prompts about commit messages, conventional commits (feat/fix/chore/docs), merge conflicts, rebases, worktrees, feature-worktree create / merge / abandon / cleanup, branch cleanup, or history rewrites, even when the user doesn't say 'git'.

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Lua Guide · xonovex bundle
Use when editing general-purpose Lua 5.4+: modules, scripts, configuration. Triggers on `.lua` files and prompts about module patterns, local scoping, metatables, coroutines, error handling, even when the user doesn't say 'Lua'.

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NPM Guide · xonovex bundle
Use when publishing an npm package or checking that one is ready to publish. Triggers on prompts about npm publish, publish-readiness or package.json validation (name/version/license/repository/files/publishConfig/private), idempotent publishing (skip if the version already exists), provenance and access flags, dist-tags, or platform-specific (os/cpu/libc) native-binary packages, even when the user doesn't say 'npm'.

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Oop Guide · xonovex bundle
Use when designing class hierarchies or applying OOP principles. Triggers on prompts about classes, inheritance, polymorphism, encapsulation, SOLID, design patterns, or interfaces, even when the user doesn't say 'OOP'.

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Tdd Guide · xonovex bundle
Use when driving code test-first or coaching the red-green-refactor rhythm: writing a failing test before the production code, going green with fake-it / obvious-implementation / triangulation, then refactoring to remove duplication, working a test list one item at a time, and letting the tests grow the design. Triggers on red-green-refactor, test-first, 'write the test first', failing test before code, triangulation, fake it till you make it, test list / to-do list, classical (Detroit) vs mockist (London) TDD, and 'clean code that works', even when the user doesn't say 'TDD'.

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Zod Guide · xonovex bundle
Use when defining or editing Zod 4.0+ schemas for runtime validation in TypeScript. Triggers on `.ts` files with `zod` imports and prompts about API input validation, schema composition, type inference (`z.infer`), `z.uuid()`, `z.email()`, `z.iso.datetime()`, defaults, or refinements, even when the user doesn't say 'Zod'.

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Hono Guide · xonovex bundle
Use when editing or scaffolding Hono 4.0+ API servers in TypeScript. Triggers on `.ts` files with `hono` or `@hono/*` imports, route handlers, middleware, and prompts about validation, error handling, WebSockets, CORS, or building an HTTP API in Hono, even when the user doesn't say 'Hono'.

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Kiro Guide · xonovex bundle
Use when configuring Kiro IDE or CLI v3 hooks, command actions, or agent actions. Triggers on .kiro/hooks JSON, SessionStart, UserPromptSubmit, PreToolUse, PreTaskExec, file events, exit-code blocking, workspace roots, generated-hook review, hook testing, enable/disable, or Kiro onboarding, even when the user doesn't say 'Kiro hook'.

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Moon Guide · xonovex bundle
Use when configuring moonrepo monorepo tasks. Triggers on `.moon/` config files, `moon.yml`, and prompts about task definitions, project tags, task inheritance, language toolchains, project queries, or task caching, even when the user doesn't say 'moonrepo'.

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Plan Guide · xonovex bundle
Use when researching, creating, critiquing, revising, expanding, continuing, updating, validating, closing out, or distilling an implementation plan. Triggers on plan or subplan work, plan-driven implementation, codebase research explicitly intended to support a future plan, success-criteria validation, cross-session decision context, resuming work from a plan reference, wrapping up or handing over a finished or stalled plan, and turning a completed plan's implementation into reusable skills, even when the user doesn't say 'plan'.

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Astro Guide · xonovex bundle
Use when editing or scaffolding Astro sites with islands architecture. Triggers on `.astro` files, `astro:content` imports, `Astro.props`, `client:` hydration directives, content-collection schemas, and on prompts about pages, layouts, MDX, content collections, image optimization, view transitions, or accessibility in an Astro project, even when the user doesn't say 'Astro'.

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Audio Guide · xonovex bundle
Use when building a low-level, real-time audio/sound system that does its own mixing: the OS audio callback / render thread, summing voices into the output buffer, sample-rate conversion and per-voice pitch, voice pools and stealing, and handing play/stop/parameter changes from the game thread to the audio thread. Triggers on audio underrun/dropout, clicks/pops, the audio callback can't lock or allocate, buffer size vs latency, resampling/interpolation, mixing gain/pan/clipping, fixed voice pools, even when the user doesn't say 'audio'.

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Cmake Guide · xonovex bundle
Use when editing CMake build files for C/C++ projects on CMake 3.20+. Triggers on `CMakeLists.txt`, `*.cmake` files and on prompts about adding targets, linking libraries, dependency fetching, test setup, install rules, or PUBLIC/PRIVATE/INTERFACE visibility, even when the user doesn't say 'CMake'. Apply for FetchContent, find_package, target_link_libraries, CTest.

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Codex Guide · xonovex bundle
Use when configuring Codex hooks, plugins, skills, config layers, or managed requirements. Triggers on hooks.json, config.toml, requirements.toml, SessionStart, PreToolUse, PermissionRequest, SubagentStart, Stop, plugin-bundled hooks, hook trust hashes, concurrent commands, skipped prompt/agent handlers, or Codex guardrail coverage, even when the user doesn't say 'Codex hook'.

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Imgui Guide · xonovex bundle
Use when designing or implementing an immediate-mode GUI (IMGUI): batching the whole UI into one draw call with compact primitive buffers, keying controls by stable IDs, resolving ordering with frame-delayed state, keyboard focus / responder chains / event trickling, drag-and-drop, per-monitor DPI scaling, string localization, and screen-reader accessibility. Triggers on immediate-mode widgets, retained-vs-immediate UI, hover/active/focus IDs, UI draw batching, ImGui-style code, localizing UI strings, accessibility/screen-reader support for an IMGUI, even when the user doesn't say 'IMGUI'.

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React Guide · xonovex bundle
Use when building or editing React 19+ components, hooks, or app routing. Triggers on `.tsx`/`.jsx` files with React imports, Vite/Next configs, Server Components, `'use client'` / `'use server'` directives, and on prompts about Form Actions, useActionState, useOptimistic, use(), Suspense streaming, ref-as-prop, or the React Compiler, even when the user doesn't say 'React'.

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Skill Guide · xonovex bundle
Use when authoring, reviewing, extracting, merging, simplifying, decomposing, or validating Agent Skills (SKILL.md plus references / scripts / assets), or when auditing, splitting, de-duplicating, or tiering a set of skills. Triggers on edits under a skills directory, creating a skill, progressive disclosure, reference files, pattern extraction, assimilation, bullet simplification, Agent Skills spec validation, description tuning, trigger/output evaluation, composable ownership, runtime routing, or hard dependency tiers, even when the user doesn't say 'skill'.

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Docker Guide · xonovex bundle
Use when writing or editing Docker images and Compose files for production. Triggers on `Dockerfile`, `docker-compose.yml`, `.dockerignore`, and prompts about multi-stage builds, alpine/distroless base images, layer caching, non-root users, BuildKit, secrets, health checks, or image slimming, even when the user doesn't say 'Docker'.

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Github Guide · xonovex bundle
Use when managing GitHub tickets, Projects kanban, pull-request delivery/review, durable issue or PR context comments, or native CI/repository enforcement on github.com or GitHub Enterprise Server. Triggers on GitHub issues, issue relationships, `gh issue`, Projects v2 items/Status/fields, `gh project`, decision or rationale comments, `gh pr`, inline reviews, resolveReviewThread, reusable workflows, rulesets, protected environments, attestations, or GitHub permissions, even when the user doesn't say 'gh'.

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Gitlab Guide · xonovex bundle
Use when managing GitLab tickets/work items, issue-board kanban, merge-request delivery/review, durable issue or MR context notes, or native CI/policy enforcement on GitLab.com, Self-Managed, or Dedicated. Triggers on `glab issue`, issue links, work items, board lists/status moves, `glab mr`, Notes/discussions, approvals, CI/CD components, pipeline execution policies, compliance frameworks, protected environments, or GitLab token scopes, even when the user doesn't say 'glab'.

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Python Guide · xonovex bundle
Use when writing or editing Python 3.12+ for APIs, data processing, scripting, or tooling. Triggers on `.py` files and prompts about async functions, type hints, dataclasses, pathlib, pytest, generators, context managers, f-strings, even when the user doesn't say 'Python'.

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Vitest Guide · xonovex bundle
Use when writing or editing Vitest 3+ tests in TypeScript. Triggers on `.test.ts`, `.spec.ts`, `vitest.config.*` files, and prompts about test setup, mocking, HTTP assertions, CORS preflight tests, or type safety in tests, even when the user doesn't say 'Vitest'.

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Command Guide · xonovex bundle
Use when authoring, reviewing, merging, simplifying, or distilling reusable user-invocable prompt files (a.k.a. slash commands: files an agent harness exposes as `/command` invocations). Triggers on edits to prompt / command files, on prompts to make a slash command, save a workflow as a reusable command, merge across commands, condense a verbose command, or distill a fat command into a thin command that delegates to a skill, even when the user doesn't say 'prompt' or 'slash command'.

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Copilot Guide · xonovex bundle
Use when configuring GitHub Copilot CLI or cloud-agent hooks, policy hooks, plugins, or skills. Triggers on .github/hooks, ~/.copilot/hooks, policy.d, preToolUse, permissionRequest, agentStop, command/HTTP/prompt handlers, cloud sandbox differences, plugin.json, repository trust, disableAllHooks, or Copilot onboarding, even when the user doesn't say 'Copilot hook'.

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Llmstxt Guide · xonovex bundle
Use when authoring, reviewing, or maintaining an `/llms.txt` file or per-page markdown mirrors per the llmstxt.org specification. Triggers on edits to `llms.txt` / `llms-full.txt`, on prompts about LLM-friendly site content, providing markdown versions of pages (`.md` suffix), generating expanded context files (`llms-ctx.txt`), or making documentation accessible to LLMs, even when the user doesn't say 'llms.txt'.

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Reflect Guide · xonovex bundle
Use when reflecting on a session or distilling lessons into reusable form. Triggers on prompts about reflecting on a session, extracting insights, capturing mistakes / discoveries / patterns, running a post-mortem, post-session retrospectives, or folding lessons into AGENTS.md or into a guideline skill, even when the user doesn't say 'reflect'.

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Testing Guide · xonovex bundle
Use when writing or reviewing a single good test independent of any framework: structuring it as Arrange-Act-Assert / Four-Phase, meeting FIRST, naming it, choosing and naming the right test double (Dummy / Stub / Spy / Mock / Fake), deciding what to mock and what not to, telling state from behaviour verification, and spotting test smells. Triggers on test double, mock vs stub vs fake vs spy, what should I mock, over-mocking, AAA, FIRST, fragile/flaky/obscure test, Object Mother, Test Data Builder, fixture setup, even when the user doesn't say 'testing'.

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Threejs Guide · xonovex bundle
Use when building or editing 3D scenes in vanilla Three.js for WebGL/WebGPU. Triggers on `.js`/`.ts` files with `three` or `three/*` imports, and on prompts about Scene, Renderer, Mesh, BufferGeometry, materials, lighting, GLTF loaders, raycasting, shaders, post-processing, instancing, or perf tuning, even when the user doesn't say 'Three.js'.

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Writing Guide · xonovex bundle
Use when revising general prose for clarity, concision, factual discipline, or consistent terminology across documents and messages. Triggers on plain language, sentence clarity, active voice, ambiguous pronouns, wordiness, repeated summaries, terminology consistency, claim and evidence alignment, or requests to make writing clear and precise, even when the user doesn't say 'writing'.

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Opencode Guide · xonovex bundle
Use when configuring OpenCode JavaScript or TypeScript plugins, events, custom tools, or settings. Triggers on .opencode/plugins, opencode.json plugin packages, tool.execute.before/after, permission.asked, session events, file events, shell.env, custom tools, sequential plugin load order, Bun dependency install, plugin trust, or OpenCode onboarding, even when the user doesn't say 'OpenCode plugin'.

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Debugging Guide · xonovex bundle
Use when chasing a bug in native or low-level software: a crash, access violation, use-after-free, leak, intermittent/heisenbug, or 'works on my machine' failure, and when deciding how to prevent a whole class of bugs by design. Triggers on segfaults, callstacks/.dmp files, freed-memory fill patterns (0xdddddddd), git bisect, minimal repro, assertions, sanitizers (ASan/UBSan/TSan), determinism, and record/replay, even when the user doesn't say 'debugging'.

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Lock Free Guide · xonovex bundle
Use when writing or reviewing shared-memory concurrent code: atomics, lock-free/wait-free data structures, or scalable synchronization. Triggers on prompts about memory ordering (relaxed/acquire/release/seq_cst), CAS/compare-exchange, the ABA problem, SPSC/MPSC/MPMC queues, lock-free stack, hazard pointers / epoch / RCU reclamation, false sharing, spinlocks/backoff, work-stealing, even when the user doesn't say 'lock-free'.

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Terraform Guide · xonovex bundle
Use when editing Terraform 1.12+ infrastructure code. Triggers on `.tf` files, `*.tfvars`, modules, and prompts about module design, environment isolation, remote state, for_each, dynamic blocks, locals, or providers, even when the user doesn't say 'Terraform'.

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Data Model Guide · xonovex bundle
Use when designing a central in-memory data model / object database for a tool, editor, or engine: typed objects with properties, stable cross-references and sub-object ownership, change notification, undo/redo, and serialization. Triggers on prompts about a runtime object/property schema, referencing objects by stable id/GUID, observing/notifying changes, transactional edits and undo history, save/load with versioning/migration, or copy-on-write snapshots, even when the user doesn't name a specific model.

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Kubernetes Guide · xonovex bundle
Use when editing Kubernetes manifests in GitOps repos. Triggers on `.yaml`/`.yml` files in `clusters/`, `apps/`, or k8s manifest directories, and on prompts about Deployments, Services, ConfigMaps, Secrets (SOPS), Kustomize overlays, Flux/ArgoCD, labels, namespaces, or multi-environment configs, even when the user doesn't say 'Kubernetes'.

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Node Graph Guide · xonovex bundle
Use when designing a visual node-based / data-flow graph for content authoring: typed input/output pins, wires between nodes, the graph stored as plain data, compiling/lowering to executable form vs interpreting it, topological evaluation with caching, reusable subgraphs, function graphs with declared inputs/outputs, and parametric/procedural content. Triggers on node editors, pins/connectors/sockets, wiring nodes, type-checking connections, variant/polymorphic nodes, validity hashing, flattening subgraphs, output nodes that emit work, data-driven node definitions, hot-reloading a graph, even when the user doesn't say 'node graph'.

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Typescript Guide · xonovex bundle
Use when editing or reviewing TypeScript in Node.js ESM projects. Triggers on `.ts` files, ESM `package.json`, and prompts about async functions, type inference, strict mode, ESM imports, env handling, template literals, even when the user doesn't say 'TypeScript'.

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Versioning Guide · xonovex bundle
Use when bumping a package version, cutting a release, or detecting which packages changed version. Triggers on prompts about semantic-version bumps (patch/minor/major, prerelease/preid, exact version), propagating a version change to workspace dependents, generating or updating a CHANGELOG from conventional commits, or finding packages whose version differs between two git refs, even when the user doesn't say 'semver' or 'version'.

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Claude Code Guide · xonovex bundle
Use when configuring Claude Code hooks, plugins, skills, settings, or managed configuration. Triggers on SessionStart, UserPromptSubmit, PreToolUse, PermissionRequest, PostToolUse, compaction, command/prompt/agent/HTTP/MCP-tool handlers, parallel hook behavior, allowManagedHooksOnly, or onboarding and testing Claude Code automation, even when the user doesn't say 'harness adapter'.

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Code Review Guide · xonovex bundle
Use when writing, structuring, or labelling code-review feedback on a pull or merge request: Conventional Comments labels (praise / nitpick / suggestion / issue / question / thought / chore / todo), the blocking vs non-blocking vs if-minor decorations, pairing one top-level summary with line-anchored inline comments, cross-linking the summary to its details instead of 'see comment 3', and verifying each claim against an authoritative source before asserting it. Platform-independent review craft. Triggers on PR / MR review, leaving review comments, blocking / non-blocking, nit, severity, request-changes vs approve, or a review summary, even when the user doesn't say 'code review'.

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Connascence Guide · xonovex bundle
Use when grading or loosening the coupling between two pieces of code, or judging how cohesive a module is. Triggers on connascence, coupling vs cohesion, 'too tightly coupled', decouple/loosen, the coupling ladder (content/common/control/stamp/data), the cohesion ladder, Law of Demeter / train wrecks like a.b().c(), positional vs named parameters, or reviewing a module boundary for coupling strength, even when the user doesn't say 'connascence' and only says 'tightly coupled'.

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Instruction Guide · xonovex bundle
Use when authoring, reviewing, initializing, syncing, simplifying, consolidating, or assimilating AGENTS.md project-instruction files. Triggers on edits to `AGENTS.md` and on prompts about bootstrapping fresh instructions, refreshing stale docs to match the filesystem, condensing verbose files, deduping across the repo, or porting organizational patterns from another project, even when the user doesn't say 'instructions' or 'AGENTS.md'.

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Code Quality Guide · xonovex bundle
Use when auditing existing code for quality WITHOUT changing it: a read-only pass that finds smells, grades them by severity, and routes each to its owner. Triggers on robustness or hardening, duplication, dead code, over-abstraction, complexity, magic numbers, inconsistent implementations, barrel exports, redundant comments, shared-extraction candidates, TODO/FIXME inventory, or a code-smell audit, even when the user doesn't say 'audit' or 'code quality'.

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News Writing Guide · xonovex bundle
Use when researching and authoring current news stories or news posts, especially multilingual Markdown with structured frontmatter. Triggers on latest news, curating developments, news lookback windows, source triangulation, bilingual news articles, news frontmatter, news slugs, or adding news to a content site, even when the user doesn't say 'news workflow'.

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Pull Request Guide · xonovex bundle
Use when authoring a pull or merge request - writing the description, sizing and splitting the change, documenting how it was tested, surfacing tradeoffs, and getting it review-ready before assigning reviewers. Triggers on opening a PR/MR, PR descriptions or templates, large or atomic PRs, what to put in a PR, draft vs ready, stacked PRs, or self-review, even when the user doesn't say 'pull request'.

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User Stories Guide · xonovex bundle
Use when writing, evaluating, splitting, or refining user stories: applying INVEST, the 3 Cs (Card / Conversation / Confirmation), the 'As a / I want / so that' template, writing acceptance criteria, slicing vertically into a walking skeleton, splitting with SPIDR or the splitting-pattern flowchart, and refining the backlog into ready items. Triggers on user story, INVEST, story splitting, SPIDR, vertical slice, walking skeleton, acceptance criteria, 'As a... I want... so that...', 3 Cs, backlog refinement / grooming, SMART tasks, even when the user doesn't say 'user story'.

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Accessibility Guide · xonovex bundle
Use when planning, assessing, governing, or operating accessibility across web, mobile, desktop, documents, content, and service journeys. Triggers on WCAG version or level selection, applicable criteria, inclusive design, keyboard or assistive-technology evaluation, accessibility evidence, release gates, conformance claims, exceptions, remediation, monitoring, or exact-revision reassessment, even when the user doesn't say 'accessibility assurance'.

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Gpu Rendering Guide · xonovex bundle
Use when designing the architecture of a low-level GPU renderer on any explicit API (Vulkan/D3D12/Metal/WebGPU): render/frame graphs, shader/permutation systems, the descriptor/binding model, explicit GPU↔CPU synchronization, command recording and frames-in-flight, and GPU memory strategy. Triggers on render passes, resource barriers/transitions, transient/aliased targets, shader variants, bind groups/descriptor frequency, command buffers, double/triple buffering, even when the user doesn't say 'renderer' or name a specific API.

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Asset Pipeline Guide · xonovex bundle
Use when designing the asset pipeline of a tool or game engine, turning authored sources (FBX, glTF, PNG, WAV, shaders) into runtime-ready data: importers/compilers per asset type, a deterministic compile/cook step, content-addressed caching keyed by a hash of inputs and settings, dependency tracking so an edit reimports only what changed, platform-specific output, and live hot-reloading. Triggers on import, cook/bake, asset/build cache, reimport, dependency invalidation, file watcher, hot-reload of textures/meshes/materials, and 'why does changing one file rebuild everything', even when the user doesn't say 'asset pipeline'.

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Cross Platform Guide · xonovex bundle
Use when making native C/C++ software portable across operating systems and targets: isolating all OS/windowing/input/audio calls behind one platform-abstraction interface, ordering a port to a new OS, building to the web via Emscripten/WebAssembly (cooperative main loop, async file/network, GL ES/WebGPU mapping, 32-bit pointers, memory growth), and reading input devices like gamepads. Triggers on scattered platform #ifdefs, function-pointer OS interfaces, porting to Linux/web, emscripten_set_main_loop, ALLOW_MEMORY_GROWTH, WebGL from a Vulkan engine, /dev/input, evdev, gamepad hotplug, even when the user doesn't say 'portable'.

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SQL Postgresql Guide · xonovex bundle
Use when editing PostgreSQL 15+ queries, schemas, or migrations. Triggers on `.sql` files, migration files, schema files, and prompts about CTEs, indexing, JSONB, RLS, EXPLAIN ANALYZE, or constraints, even when the user doesn't say 'Postgres'.

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Travel Writing Guide · xonovex bundle
Use when researching and authoring travel, destination, attraction, or venue guides with current practical information, itineraries, or multilingual publication files. Triggers on city guides, visitor guides, destination content, attraction details, opening hours, ticket prices, accessibility facts, travel itineraries, travel frontmatter, or one guide per language, even when the user doesn't say 'travel writing'.

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C99 Opinionated Guide · xonovex bundle
Use when editing systems or embedded C99 code in projects that follow the opinionated caller-owns-memory, data-oriented style. A focused overlay that covers only house-style decisions, not generic C99 idioms. Triggers on `.c`/`.h` files in systems/embedded/DOD projects and on prompts about caller-owns-memory, SoA/SIMD variants, alignment, index/handle references, caller-owned string views/builders, physical design, plugin architecture, strict file naming, and shaping a C API to be bound from other languages (Lua/C#/Python/Rust FFI, generated wrappers), even when the user doesn't say 'opinionated'.

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Editor Viewport Guide · xonovex bundle
Use when building the interactive 3D viewport that bridges a real-time renderer and an editor: GPU id-buffer object picking, selection outline/highlight rendering, and move/rotate/scale gizmos that work on any object plus the linear algebra behind them. Triggers on click-to-select in a 3D scene, reading back the picked object under the cursor, drawing a crisp selection outline, transform handles/gizmos, dragging an axis at a steep camera angle, constant screen-size handles, ray/plane projection, even when the user doesn't say 'viewport' or 'gizmo'.

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Game Networking Guide · xonovex bundle
Use when architecting real-time multiplayer networking for a game or simulation engine: client/server vs peer topology and per-object authority, replicating a typed world/component state across nodes, snapshot-vs-delta updates with baselines and acks, and reliable/unreliable/ordered channels layered over UDP. Triggers on netcode, network nodes, pipes/connections, packet types, state replication, snapshots and deltas, server authority, ack/out-of-order packets, lag/bandwidth simulation, and single-player-to-multiplayer transitions, even when the user doesn't say 'networking'.

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Lua Opinionated Guide · xonovex bundle
Use when tuning performance-critical Lua hot paths: the tunings especially benefit LuaJIT, and the principles apply to vanilla Lua 5.4 too. A focused overlay that covers only hot-path performance, not Lua fundamentals. Triggers on `.lua` files in performance-sensitive or LuaJIT projects and on prompts about JIT-friendly tables, table pre-allocation, cache lookups, stable table shapes, or hot-path tuning, even when the user doesn't say 'LuaJIT'.

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Shell Scripting Guide · xonovex bundle
Use when writing or editing POSIX shell or Bash automation. Triggers on `.sh` files, `#!/usr/bin/env bash` shebangs, and prompts about scripting CI tasks, build helpers, devops automation, or one-off pipelines, even when the user doesn't say 'shell'. Apply for strict mode, quoting, parameter expansion, exit codes, idempotency, shellcheck/shfmt.

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Hono Opinionated Guide · xonovex bundle
Use when editing Hono APIs that follow the opinionated style: inline OpenAPI handlers, explicit router selection (LinearRouter / RegExpRouter), sync handlers where possible, bodyLimit middleware. A focused overlay that covers only house-style decisions, not generic Hono usage. Triggers on `.ts` files with `OpenAPIHono`, inline route schemas, and prompts about router perf, payload limits, or sync-vs-async handlers, even when the user doesn't say 'opinionated'.

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Editorial Writing Guide · xonovex bundle
Use when revising articles, posts, reviews, newsletters, marketing copy, or other publication prose for voice, rhythm, register, readability, or a natural human style. Triggers on editorial rewrite, copy editing, humanizing AI-generated prose, removing AI writing tells, audience tone, CEFR readability, bilingual editorial consistency, or making prose sound natural, even when the user doesn't say 'editorial'.

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Hexagonal Pattern Guide · xonovex bundle
Use when isolating an application or domain core from its I/O and delivery mechanisms behind interfaces: hexagonal / ports-and-adapters / clean / onion architecture. Triggers on decoupling the domain from the database/UI/framework, driving (primary) vs driven (secondary) adapters, dependency inversion / the dependency rule ('depend on an interface, not the implementation'), a composition root wiring adapters to ports, swapping a real adapter for a fake in tests, or keeping business logic free of infrastructure, even when the user doesn't say 'hexagonal' and says 'ports and adapters' or 'clean architecture'.

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Memory Management Guide · xonovex bundle
Use when deciding how memory is allocated, owned, and freed in manual-memory or buffer-passing code, in any language. Triggers on prompts about caller-owns-memory / caller-provided buffers, arena/bump/linear allocators, object pools and free lists, virtual-memory reserve/commit, scratch/temp allocators, object lifetimes, ownership (single-owner/borrow), leaks/use-after-free/double-free, even when the user doesn't say 'memory' or 'allocator'.

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Technical Writing Guide · xonovex bundle
Use when structuring or rewriting standalone technical explanations, reports, status updates, documentation, recommendations, or operational handoffs so readers see the outcome, decision, action, or status first. Triggers on bottom line up front, BLUF, outcome-first writing, inverted-pyramid structure, concise technical prose, executive summaries, caveat placement, or requests to lead with the answer, even when the user doesn't say 'technical writing'.

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Typescript To Lua Guide · xonovex bundle
Use when editing TypeScript that compiles to Lua via TSTL 1.24+ (game scripting, Defold, embedded engines). Triggers on `.ts` files in game/scripting directories with TSTL config, and on prompts about LuaMultiReturn, namespaces, decorators, stable table layouts, or Lua interop boundaries, even when the user doesn't say 'TSTL'.

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Orthogonal Pattern Guide · xonovex bundle
Use when deciding how to decompose a system into modules or packages along independent variation axes, and where each concern's boundary belongs. Triggers on shared-core plus per-variant leaves, package-by-feature vs package-by-layer, sibling naming symmetry, parallel consumers that should mirror the same concepts, cross-axis constraints, cross-cutting concerns that are not axes, false modularity, or a module tree that feels tangled, even when the user doesn't say 'orthogonal'.

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Microkernel Pattern Guide · xonovex bundle
Use when building an extensible system: a minimal core plus interchangeable plug-ins selected through a registry. The microkernel / plug-in architecture. Triggers on plugin/extension-point/registry design, adding a backend or driver without editing the core, open/closed extension, capability negotiation and fail-closed / secure-by-default gating, binding time (compile vs load vs run-time), dependency-injection vs service-locator wiring, lazy activation, or versioning a plug-in contract, even when the user doesn't say 'microkernel' and only says 'plugin architecture'.

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C99 Game Opinionated Guide · xonovex bundle
Use when editing C99 game-engine or runtime code in projects that follow the opinionated caller-owns-memory, SoA, builder-pattern style. A focused overlay that covers only game/engine house-style decisions, not generic C99 idioms. Triggers on `.c`/`.h` files in game/engine directories and on prompts about vectors, matrices, quaternions, physics, meshes, spatial structures, tagged unions, inverse mass, builder patterns, even when the user doesn't say 'opinionated'.

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Data Oriented Design Guide · xonovex bundle
Use when designing or refactoring performance-critical data layouts for cache efficiency, in any language. Triggers on prompts about SoA/AoS/AoSoA, cache misses, hot/cold field splitting, data-oriented design, component-storage layout, batch/bulk processing, handles vs pointers, avoiding pointer chasing, even when the user doesn't say 'data-oriented' or 'cache'.

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Gpu Rendering Vulkan Guide · xonovex bundle
Use when implementing a Vulkan renderer: the concrete Vulkan API for device/queues, device memory + memory types + staging, images/buffers + pipeline barriers and layout transitions, descriptor sets/layouts + bindless, pipelines + pipeline cache + dynamic rendering, timeline semaphores + fences, command pools/buffers, and the swapchain. Triggers on Vk* types and vkCmd*/vkCreate* calls, VkImageMemoryBarrier2, VkDescriptorSet, VkPipeline, VkSemaphore, VkCommandPool, swapchain acquire/present, even when the user doesn't say 'Vulkan'.

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Credential Management Guide · xonovex bundle
Use when choosing, storing, injecting, rotating, revoking, or responding to exposure of machine-to-machine credentials and secrets: the tokens a service, workload, or CI job presents to another system. Triggers on API tokens, PATs, client secrets, keychains, secret managers, masked CI variables, workload identity federation, OIDC, `.env` secret handling, credential rotation, or leaked credentials, even when the user doesn't say 'credential management' and names only a provider-specific token.

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75 published skills