Observability patterns - metrics, logging, tracing, alerting, and infrastructure monitoring. Use for: monitoring, observability, prometheus, grafana, metrics, alerting, structured logging, distributed tracing, opentelemetry, SLO, SLI, dashboard, health check, loki, jaeger, datadog, pagerduty.

Framework and language migration patterns - version upgrades, breaking changes, dependency audit, safe rollback. Use for: migrate, migration, upgrade, version bump, breaking changes, deprecation, dependency audit, npm audit, pip-audit, codemod, jscodeshift, rector, rollback, semver, changelog, framework upgrade, language upgrade, React 19, Vue 3, Next.js App Router, Laravel 11, Angular, Python 3.12, Node 22, TypeScript 5, Go 1.22, Rust 2024, PHP 8.4.

Model Context Protocol server development, tool design, resource handling, and transport configuration. Use for: mcp, model context protocol, mcp server, mcp tool, mcp resource, fastmcp, mcp transport, stdio, sse, streamable http, mcp inspector, tool handler, mcp prompt.

Convert local documents to Markdown using Microsoft's markitdown CLI. Best for: PDF, Word, Excel, PowerPoint, images (OCR), audio. Can fetch URLs but Jina is faster for web. Triggers on: convert to markdown, read PDF, parse document, extract text from, docx, xlsx, pptx, OCR image, local file.

Comprehensive macOS workstation operations — diagnose kernel panics, identify failing drives, audit launchd startup items, decode wake reasons, triage TCC permission denials, manage APFS snapshots, recover from no-boot. Use for: Mac is slow, slow bootup, won't boot, kernel panic, kernel_task hot, mds_stores CPU, photoanalysisd, cloudd, login loop, gray screen, sleep wake failure, drive failing, IO errors, APFS snapshots eating space, Time Machine local snapshots, Spotlight indexing, launchd, LaunchAgent, LaunchDaemon, login items, TCC permissions, Full Disk Access, Screen Recording denied, Gatekeeper, quarantine, com.apple.quarantine, app is damaged, helper tool, /Library/PrivilegedHelperTools, pmset, wake reasons, dark wake, sysdiagnose, panic.ips, DiagnosticReports, configuration profile, MDM profile, remote diagnostics over SSH.

Log analysis and JSONL processing - structured extraction, cross-log correlation, timeline reconstruction, pattern search

Read and inspect LevelDB stores - especially Chromium/Electron app state (Local Storage, IndexedDB, Session Storage). Triggers on: leveldb, .ldb files, IndexedDB, Local Storage, Chromium storage, Electron app state, claude.ai cache, browser forensics, decode app state, claude desktop state.

Laravel framework patterns, Eloquent ORM, authentication, queues, and testing. Use for: laravel, eloquent, artisan, blade, php, sanctum, livewire, inertia, pest, phpunit, forge, vapor, queue, middleware, migration, factory, seeder.

JavaScript and Node.js patterns, async programming, modules, runtime internals, and modern ES2024+ features. Use for: javascript, js, node, nodejs, esm, commonjs, promise, async await, event loop, v8, npm, es6, es2024, worker threads, streams, event emitter, prototype, closure.

Autonomous improvement loop - modify, measure, keep or discard, repeat. Inspired by Karpathy's autoresearch. Triggers on: iterate, improve autonomously, run overnight, keep improving, autoresearch, improvement loop, iterate until done, autonomous iteration, batch experiments.

Analyze Claude Code session logs and surface productivity improvements. Extracts thinking blocks, tool usage stats, error patterns, debug trajectories - then generates friendly, actionable recommendations. Triggers on: introspect, session logs, trajectory, analyze sessions, what went wrong, tool usage, thinking blocks, session history, my reasoning, past sessions, what did I do, how can I improve.

Go development patterns, concurrency, error handling, testing, and project structure. Use for: golang, go, goroutine, channel, context, errgroup, go test, go mod, go build, interface, generics, table-driven tests, worker pool, sync.Mutex, sync.WaitGroup, pprof, go vet, golangci-lint, go workspace, functional options, middleware, http handler.

GitHub remote operations — repo creation, metadata (description/homepage/topics), releases, README 'Recent Updates' enforcement, and issue / PR management with preview-before-send discipline. Companion to git-ops (local) and push-gate (pre-push safety). Three modes: new (first publish), update (subsequent release), audit (read-only checklist), plus atomic operations for issues and PRs. Triggers on: push to github, publish repo, ship release, cut release, gh release, set topics, repo description, github metadata, recent updates section, audit github repo, repo visibility, make repo public, gh repo create, gh issue, gh pr, create issue, comment on issue, close issue, triage issue, create PR, review PR, merge PR, pre-merge check, pr checks.

Full git + worktree orchestrator. Rich status survey, per-worktree triage (prunable/WIP/ghost/orphan), commits, PRs, branches, releases, rebases — reads run inline, writes dispatch to a background Sonnet agent. Triggers on: status, state, where are we, git status, anything to commit, anything to push, commit, push, pull request, create PR, git diff, rebase, stash, branch, merge, release, tag, changelog, semver, cherry-pick, bisect, worktree, worktree survey, prunable worktrees, land worktree.

Generative art programming - three.js scenes, p5.js sketches, SVG generation, GLSL shaders, procedural algorithms, and color for creative coding. Use for: generative art, creative coding, three.js, p5.js, SVG, GLSL, shader, noise, perlin, simplex, flow field, particle system, SDF, ray marching, procedural, L-system, voronoi, delaunay, cellular automata, wave function collapse, instanced mesh, post-processing, bloom, WebGL, canvas, fragment shader, vertex shader, FBM, domain warping.

EXPERIMENTAL — manage a fleet of concurrent Claude sessions on parallel branches or worktrees. Landing queue with test gate, fleet status view, pre-land scrub, one-shot revert. Triggers on: multiple Claude sessions, parallel sessions, concurrent agents, 5 sessions, branch queue, landing queue, fleet of sessions, parallel feature work, merge multiple branches, parallel branches.

Modern find-and-replace using sd (simpler than sed) and batch replacement patterns. Triggers on: sd, find replace, batch replace, sed replacement, string replacement, rename.

Modern file and content search using fd, ripgrep (rg), and fzf. Triggers on: fd, ripgrep, rg, find files, search code, fzf, fuzzy find, search codebase.

Deep explanation of complex code, files, or concepts. Routes to expert agents, uses structural search, generates mermaid diagrams. Triggers on: explain, deep dive, how does X work, architecture, data flow.

Docker containerization patterns, Dockerfile best practices, multi-stage builds, and Docker Compose. Use for: docker, Dockerfile, docker-compose, container, image, multi-stage build, docker build, docker run, .dockerignore, health check, distroless, scratch image, BuildKit, layer caching, container security.

Scans for project documentation files (AGENTS.md, CLAUDE.md, GEMINI.md, COPILOT.md, CURSOR.md, WARP.md, and 15+ other formats) and synthesizes guidance. Auto-activates when user asks to review, understand, or explore a codebase, when starting work in a new project, when asking about conventions or agents, or when documentation context would help. Can consolidate multiple platform docs into unified AGENTS.md.

Systematic debugging methodology, language-specific debuggers, and common scenario playbooks. Use for: debug, debugging, bug, crash, hang, memory leak, race condition, deadlock, bisect, reproduce, root cause, breakpoint, profiling, performance issue, segfault, stack trace, core dump.

Process JSON with jq and YAML/TOML with yq. Filter, transform, query structured data efficiently. Triggers on: parse JSON, extract from YAML, query config, Docker Compose, K8s manifests, GitHub Actions workflows, package.json, filter data.

Docker and Kubernetes patterns. Triggers on: Dockerfile, docker-compose, kubernetes, k8s, helm, pod, deployment, service, ingress, container, image.