autoresearch
Use for autoresearch, autonomous experiments, optimization loops, "optimize X overnight/in a loop", or "experiment loop"; sets up iterative trials for an optimization target.
bump-deps
Use for dependency updates: update/bump deps, npm/pnpm/yarn/bun package upgrades, outdated checks, package.json updates, or taze.
bump-release
Use for release versioning: bump/cut/tag a release, bump version, create a release, changelog updates, or version tagging.
cli-cast
Use for Foundry cast/on-chain actions: send tx, call contract, sign message, cast send/call/wallet, encode/decode ABI/calldata, or RPC interactions. For read-only balances/history, prefer evm-atlas.
cli-gh
Use for GitHub CLI automation: gh commands, repo info, workflow triggers, GitHub search, codespaces, PR status, issues, repo browsing, or command-line GitHub tasks.
cli-just
Use for just/justfile task automation: create justfiles, write recipes, configure settings, add modules/attributes, or set up command-runner workflows.
code-polish
Use to polish recently changed code: simplify for readability/maintainability and run a risk-profiled review that autonomously applies fixes. Default runs both passes; pass --simplify or --review for one. Covers code/PR review, audits, bug/security checks, reviewing diffs or changes, cleanup, refactoring, and reducing complexity.
coingecko-cli
Use for CoinGecko/cg CLI crypto market data: prices, market cap, trending coins, top gainers/losers, coin search, historical data, or OHLC.
create-skill
Use to create/scaffold/init a new agent skill in `.agents/skills` by default or `~/.agents/skills` with `--global`.
debrief
Use for debriefs or saved findings/reports from the current task. Creates `.ai/debriefs/<slug>/index.html`; `--md` writes `index.md` instead.
effect-ts
Use for nontrivial Effect-TS work including services/layers, typed errors, Schema/JSONSchema, Config, runtime/concurrency, @effect/vitest, @effect/ai, @effect/sql, or @prb/effect-next.
find-tool
Use to find, compare, and recommend current tools, packages, libraries, CLIs, VSCode extensions, agent skills, databases, or infrastructure options for a development task.
evm-atlas
Use for targeted EVM chain, account, transaction, RPC, explorer, and bridge data: chain name/ID, native symbol, RouteMesh, balances, token/NFT holdings/transfers, tx history, funding origin via Etherscan/Blockscout/Chainscout; Bungee, LayerZero, LI.FI, Socket enrichment.
find-skills
Helps users discover and install agent skills when they ask questions like "how do I do X", "find a skill for X", "is there a skill that can...", or express interest in extending capabilities. This skill should be used when the user is looking for functionality that might exist as an installable skill.
tailwind-css
Use for Tailwind v4 styling: add/fix classes, configure or migrate Tailwind, use tailwind-variants, or tw-animate-css.
summarize
Summarize or transcribe URLs, YouTube/videos, podcasts, articles, transcripts, PDFs, and local files.
spreadsheets
Use when CSV, TSV, or Excel (.xlsx) is the primary input/output: inspect, clean, transform, dedupe, merge, validate, convert, recalc formulas, or create/fix spreadsheets. Do not trigger when tabular data is incidental.
production-readiness
Comprehensive checklist for production deployment readiness covering reliability, observability, security, and operational requirements. Use when preparing for go-live, launch readiness review, production deployment checklist, or assessing if a service is ready for production.
observability-setup
Guide for implementing metrics, logs, and traces in applications. Use when setting up monitoring, adding instrumentation, configuring dashboards, implementing distributed tracing, or designing alerts and SLOs.
kubernetes-troubleshooting
Systematic debugging workflows for Kubernetes issues including pod failures, resource problems, and networking. Use when debugging CrashLoopBackOff, OOMKilled, ImagePullBackOff, pod not starting, k8s issues, or any Kubernetes troubleshooting.
runbook-creator
Templates and patterns for creating operational runbooks and playbooks. Use when creating runbooks, writing operational documentation, playbook creation, or documenting procedures for on-call teams.
incident-response
Guide systematic investigation of production incidents including triage, data gathering, impact assessment, and root cause analysis. Use when investigating outages, service degradation, production errors, alerts firing, or when the user mentions incident, outage, downtime, or production issues.
nano-banana
Generate images using Google's Nano-Banana (Gemini 2.5 Flash Image) model. Use when the user asks to generate, create, or make an image, picture, or illustration.
realistic-ugc-video
Create realistic long-form AI talking head/UGC videos that don't look AI-generated. Use when user wants to make "realistic AI video", "UGC video", "talking head video", "AI spokesperson", "AI ad content", "video that looks real", "human-looking AI video". Orchestrates Nano Banana for base images and Kling AI for video generation with natural pacing.
active-record-callbacks
Expert guidance for Active Record callbacks — lifecycle hooks, ordering, conditional execution, transaction callbacks, and halting. VERY opinionated about when NOT to use callbacks. Use when working with callbacks, before_save, after_create, after_commit, lifecycle hooks, before_validation, around_save, after_update, before_destroy, or when deciding whether logic belongs in a callback vs a service object.
action-cable
Expert guidance for implementing real-time features with Action Cable in Rails applications. Use when working with websockets, channels, subscriptions, broadcasting, live updates, push notifications, or Solid Cable. Covers connection authentication, channel creation, streaming, client-side JS, testing, and deployment. Clarifies when to use Action Cable directly vs Turbo Streams broadcasting.
action-controller
Expert guidance for writing Rails controllers with Action Controller. Use when writing controller actions, strong parameters, before_action filters, rendering responses, redirects, flash messages, sessions, cookies, rescue_from error handling, streaming, CSRF protection, or HTTP authentication. Covers params permitting (especially nested params — the #1 source of agent bugs), callbacks, request/response objects, and security. Trigger on "controller", "action", "strong parameters", "params", "before_action", "redirect", "render", "flash", "session", "cookies", "rescue_from", "CSRF", "permit", "expect", "filters", "callbacks".
action-mailbox
Expert guidance for receiving and processing inbound emails with Action Mailbox in Rails. Use when setting up inbound email processing, routing emails to mailboxes, configuring ingress providers (Mailgun, SendGrid, Postfix, etc.), handling attachments, bouncing emails, or testing with fixtures. Covers "action mailbox", "inbound email", "receive email", "process email", "email routing", "mailbox", "incoming email", "email processing", "ingress", "InboundEmail".
action-mailer
Expert guidance for Action Mailer in Rails applications. Use when creating mailers, sending emails, building email templates, configuring delivery, writing mailer previews, or working with transactional email. Triggers on "mailer", "email", "send email", "action mailer", "mail template", "deliver_later", "email notification", "transactional email", "mailer preview", "welcome email", "notification email".
active-model
Build plain Ruby objects that integrate with Rails forms, validations, serialization, and Action Pack — without a database. Use when building form objects, search forms, API wrappers, configuration objects, virtual models, or any PORO that needs model-like behavior. Triggers on "active model", "form object", "plain Ruby object", "non-database model", "ActiveModel", "PORO", "service object validation", "virtual model", "tableless model", "search form", "ActiveModel::API", "ActiveModel::Model".
action-text
Expert guidance for implementing rich text editing with Action Text in Rails. Use when adding rich text fields, configuring Lexxy or Trix editors, rendering rich text content, handling attachments and embeds, creating custom attachables, styling rich text, or fixing N+1 queries with rich text. Triggers on "action text", "rich text", "lexxy", "trix", "WYSIWYG", "rich text editor", "has_rich_text", "text editor", "rich content", "embedded content", "rich_text_area", "action-text-attachment".
active-job
Expert guidance for creating, queuing, and managing background jobs with Active Job and Solid Queue in Rails 8+. Use when creating background jobs, queuing work with perform_later, configuring Solid Queue, handling retries and errors (retry_on, discard_on), sending emails asynchronously (deliver_later), testing jobs, or managing queue priorities. Covers job creation, enqueuing, callbacks, serialization (GlobalID), bulk enqueuing, concurrency controls, recurring tasks, and job continuations.
active-record-associations
Expert guidance for defining and using Active Record associations in Rails. Use when creating associations, defining model relationships, troubleshooting foreign keys, fixing N+1 queries, setting up belongs_to, has_many, has_one, has_many :through, polymorphic associations, self-referential joins, join tables, counter caches, dependent options, inverse_of, eager loading, or any question about how models relate to each other.
generators
Expert guidance for using and creating Rails generators. Use when running "rails generate", "rails g", scaffolding resources, generating models, controllers, migrations, mailers, jobs, or any generated code. Also use for creating custom generators, customizing generator defaults, overriding generator templates, or configuring config.generators. Covers all built-in generators, their flags, and when to use (or not use) each one.
i18n
Expert guidance for Rails I18n (internationalization and localization). Use when working with translations, locale files, t() / l() helpers, lazy lookups, pluralization, interpolation, date/time/number formatting, model translations, error message translations, setting locale from URL/header/session, or organizing YAML translation files. Triggers on "i18n", "internationalization", "translation", "locale", "localize", "t()", "translate", "multilingual", "pluralization", "locale file", "YAML translation".
active-record-encryption
Expert guidance for encrypting sensitive data at rest using Active Record Encryption in Rails. Use when adding encryption to model attributes, rotating keys, migrating unencrypted data, querying encrypted fields, or protecting PII. Triggers on "encryption", "encrypt", "encrypts", "encrypted attribute", "at-rest encryption", "field encryption", "key rotation", "deterministic encryption", "PII", "sensitive data", "encrypt column", "encrypts macro".
layouts-and-rendering
Expert guidance for Rails view rendering, layouts, partials, and content composition. Use when rendering templates, choosing between render and redirect_to, creating or using partials, working with layouts, using content_for/yield/provide, rendering collections, streaming responses, or handling Turbo-aware status codes. Covers render vs redirect (agents confuse these!), partial locals (never instance variables!), layout selection, conditional rendering, nested layouts, and collection rendering.
lucide-icons
Expert guidance for using Lucide icons in Rails applications via the lucide-rails gem. Use when adding icons, choosing icon names, styling SVG icons, making icons accessible, or building icon-based UI patterns (buttons, nav, badges, empty states). Triggers on "lucide", "icon", "lucide-rails", "SVG icon", "icon library", "lucide_icon", "feather icon", "inline SVG", "add an icon", "icon button", "icon name".
migrations
Expert guidance for writing safe, reversible Active Record migrations in Rails applications. Use when creating a migration, adding a column, removing a column, changing schema, modifying a table, creating a table, adding an index, adding a foreign key, renaming a column, changing column type, database migration, schema change, rolling back, migration error, data migration, multi-database migration, or any database structure change.
minitest
Expert guidance for writing fast, maintainable Minitest tests in Rails applications. Use when writing tests, converting from RSpec, debugging test failures, improving test performance, or following testing best practices. Covers model tests, policy tests, request tests, system tests, fixtures, and TDD workflows.
propshaft
Expert guidance for the Propshaft asset pipeline in Rails 8+. Use when working with assets, stylesheets, CSS organization, JavaScript assets, import maps, asset precompilation, fingerprinting, images, fonts, CDN setup, or migrating from Sprockets. Covers file structure, stylesheet_link_tag, image_tag, @layer ordering, @import, CSS custom properties, asset helpers, deployment, and common Propshaft pitfalls. Trigger on "propshaft", "asset pipeline", "assets", "stylesheet", "javascript assets", "import maps", "asset precompile", "CSS organization", "sprockets migration", "fingerprinting", "stylesheet_link_tag", "image_tag", "asset_path".
rails-components
Expert guidance for building reusable UI components in Rails using partials, CSS classes, and helpers. Use when creating components, partials, reusable UI patterns, empty states, modals, cards, buttons, badges, alerts, data tables, or any component pattern. Covers decision framework for CSS-only vs partial vs helper vs ViewComponent, proper use of local_assigns, block yielding, capture for slots, variant patterns, and component galleries.
routing
Expert guidance for defining routes in Rails applications. Use when adding routes, working with resources, nested routes, namespaces, path helpers, routes.rb, RESTful design, API routes, URL helpers, or any routing-related task. Covers resources, singular resources, nesting, namespace vs scope, constraints, concerns, member/collection routes, and route testing.
security
Expert guidance for writing secure Rails applications. Use when dealing with security, CSRF protection, XSS prevention, SQL injection, authentication, authorization, sanitize, html_safe, credentials, secrets, content security policy, session security, mass assignment, strong parameters, secure headers, file uploads, open redirects, or vulnerability remediation. Covers every major attack vector and the Rails-idiomatic defenses.
stimulus
Expert guidance for building Stimulus controllers in Rails applications. Use when creating JavaScript behaviors, writing data-controller/data-action/data-target attributes, building interactive UI components, or working with Hotwire Stimulus. Covers controller creation, targets, values, actions, classes, outlets, lifecycle callbacks, progressive enhancement, and common patterns like clipboard, flash, modal, toggle, and form validation.
testing
Expert guidance for Rails testing infrastructure, test types, and what to test. Use when writing tests, setting up a test suite, choosing between test types, configuring system tests (Capybara), request tests, integration tests, helper tests, mailer tests, job tests, Action Cable tests, parallel testing, CI setup, test database management, or improving test coverage. Covers the test runner, fixtures vs factories, parallel testing, system tests (drivers, screenshots), request tests, controller tests (legacy), helper tests, mailer tests, job tests, Action Cable tests, test coverage, CI patterns, and test database strategies. Trigger on "test", "testing", "test suite", "system test", "request test", "integration test", "test runner", "parallel testing", "capybara", "test database", "CI testing", "test coverage".
turbo
Expert guidance for building modern Rails UIs with Turbo (Drive, Frames, Streams). Use when implementing partial page updates, real-time broadcasts, turbo frames, turbo streams, hotwire patterns, turbo_frame_tag, turbo_stream responses, lazy loading frames, morphing, page refreshes, or any "turbo" related Rails feature. Covers Turbo Drive navigation, Turbo Frames for scoped updates, Turbo Streams for real-time HTML delivery, and Turbo 8 morphing.
uuid-primary-keys
Expert guidance for implementing UUID primary keys in Rails applications. Use when setting up UUIDs as primary keys, choosing between UUIDv4 and UUIDv7, configuring generators for UUID defaults, writing migrations with id colon uuid, adding UUID foreign keys, implementing base36 encoding for URL-friendly IDs, configuring PostgreSQL pgcrypto or gen_random_uuid, implementing SQLite binary UUID storage, choosing a primary key type, using non-sequential IDs, secure IDs, random IDs, or any ID generation strategy beyond auto-increment integers.
active-record-querying
Expert guidance for writing efficient, correct Active Record queries in Rails 8.1. Use when writing queries, finding records, building scopes, fixing N+1 queries, using where clauses, includes, joins, eager loading, filtering, searching, plucking data, selecting records, or optimizing database queries. Covers where, find, scopes, includes vs preload vs eager_load, joins, pluck, select, calculations, batching, and query anti-patterns.
active-record-validations
Expert guidance for Active Record validations in Rails 8.1. Use when adding validations, writing "validates", "validate", working with "errors", "valid?", "invalid?", building custom validators, handling uniqueness, presence, format validation, numericality, conditional validations, strict validations, or normalizations. Covers model-layer data integrity, DB constraint pairing, error handling, and common pitfalls.
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