Skills

G

golang-samber-do

samber / cc-skills-golang

Dependency injection in Golang using samber/do—service containers, lifecycle management, scopes, health checks, graceful shutdown, and module organization. Apply when using or adopting samber/do, when the codebase imports github.com/samber/do or github.com/samber/do/v2, or when refactoring manual constructor injection into a DI container.

G

golang-samber-slog

samber / cc-skills-golang

Structured logging extensions for Golang using samber/slog-**** packages—multi-handler pipelines (slog-multi), log sampling (slog-sampling), attribute formatting (slog-formatter), HTTP middleware (slog-fiber, slog-gin, slog-chi, slog-echo), and backend routing (slog-datadog, slog-sentry, slog-loki, slog-syslog, slog-logstash, slog-graylog...). Apply when using or adopting slog, or when the codebase already imports any github.com/samber/slog-* package.

F

flutter-add-integration-test

flutter / agent-plugins

Configures Flutter Driver for app interaction and converts MCP actions into permanent integration tests. Use when adding integration testing to a project, exploring UI components via MCP, or automating user flows with the integration_test package.

G

golang-samber-oops

samber / cc-skills-golang

Structured error handling in Golang with samber/oops—error builders, stack traces, error codes, error context, error wrapping, error attributes, user-facing vs developer messages, panic recovery, and logger integration. Apply when using or adopting samber/oops, or when the codebase already imports github.com/samber/oops.

G

golang-samber-mo

samber / cc-skills-golang

Monadic types for Golang using samber/mo—Option, Result, Either, Future, IO, Task, and State types for type-safe nullable values, error handling, and functional composition with pipeline sub-packages. Apply when using or adopting samber/mo, when the codebase imports `github.com/samber/mo`, or when considering functional programming patterns as a safety design for Golang. Not for nil-safety and zero-value design without this library (→ See `samber/cc-skills-golang@golang-safety` skill), nor for native error wrapping with fmt.Errorf, errors.Is and errors.As (→ See `samber/cc-skills-golang@golang-error-handling` skill).

G

golang-samber-hot

samber / cc-skills-golang

In-memory caching in Golang using samber/hot—eviction algorithms (LRU, LFU, TinyLFU, W-TinyLFU, S3FIFO, ARC, TwoQueue, SIEVE, FIFO), TTL, cache loaders, sharding, stale-while-revalidate, missing key caching, and Prometheus metrics. Apply when using or adopting samber/hot, when the codebase imports github.com/samber/hot, or when the project repeatedly loads the same medium-to-low cardinality resources at high frequency and needs to reduce latency or backend pressure.

A

anysearch

anysearch-ai / anysearch-skill

Real-time search engine supporting web search, vertical domain search, parallel batch search, and URL content extraction

G

golang-samber-ro

samber / cc-skills-golang

Reactive streams and event-driven programming in Golang using samber/ro—ReactiveX implementation with 150+ type-safe operators, cold/hot observables, 5 subject types (Publish, Behavior, Replay, Async, Unicast), declarative pipelines via Pipe, 40+ plugins (HTTP, cron, fsnotify, JSON, logging), automatic backpressure, error propagation, and Go context integration. Apply when using or adopting samber/ro, when the codebase imports github.com/samber/ro, or when building asynchronous event-driven pipelines, real-time data processing, streams, or reactive architectures in Go. Not for finite slice transforms (→ See `samber/cc-skills-golang@golang-samber-lo` skill).

L

landing-page-design

skills-101 / superpowers

Landing page conversion optimization with layout rules, hero section design, and CTA psychology. Covers above-the-fold formula, social proof placement, mobile design, and F-pattern reading. Use for: startup landing pages, product pages, SaaS marketing, conversion optimization. Triggers: landing page, hero section, above the fold, conversion optimization, landing page design, CTA button, hero image, landing page layout, SaaS landing page, product page design, conversion rate, landing page best practices

F

flutter-setup-declarative-routing

flutter / agent-plugins

Configure `MaterialApp.router` using a package like `go_router` for advanced URL-based navigation. Use when developing web applications or mobile apps that require specific deep linking and browser history support.

I

improve

shadcn / improve

Survey any codebase as a senior advisor and produce prioritized, self-contained implementation plans for OTHER models/agents to execute. Strictly read-only on source code — never implements, fixes, or refactors anything itself. Use when asked to audit a codebase, find improvement opportunities (bugs, security, performance, test coverage, tech debt, migrations, DX), suggest features or where to take the project next (roadmap, product direction), or generate handoff plans for another agent to implement.

A

app-store-screenshots

skills-101 / superpowers

Create App Store and Google Play screenshots to exact platform specifications. Covers iOS/Android dimensions, gallery ordering, device mockups, and preview videos. Use for: app store optimization, ASO, app screenshots, app preview, Play Store listings. Triggers: app store screenshots, ASO, app store optimization, Play Store screenshots, app preview, app listing, iOS screenshots, Android screenshots, app store images, app mockup, device mockup, app gallery, store listing

P

product-photography

skills-101 / superpowers

AI product photography with studio lighting, lifestyle shots, and packshot conventions. Covers angles, backgrounds, shadow types, hero shots, and e-commerce image requirements. Use for: product photos, e-commerce images, Amazon listings, packshots, lifestyle photography. Triggers: product photography, product photo, packshot, e-commerce photography, product shot, product image, studio photography, lifestyle product, amazon product photo, product listing image, hero shot, product mockup, commercial photography

S

storyboard-creation

skills-101 / superpowers

Film and video storyboarding with shot vocabulary, continuity rules, and panel layout. Covers shot types, camera angles, movement, the 180-degree rule, and annotation format. Use for: video planning, film pre-production, ad storyboards, music video planning, animation. Triggers: storyboard, storyboarding, shot list, film planning, video planning, pre-production, shot composition, camera angles, scene planning, visual script, animatic, storyboard panels, video storyboard

F

flutter-implement-json-serialization

flutter / agent-plugins

Create model classes with `fromJson` and `toJson` methods using `dart:convert`. Use when manually mapping JSON keys to class properties for simple data structures.

C

character-design-sheet

skills-101 / superpowers

Maintain character consistency across AI-generated images with reference sheets and LoRA techniques. Covers turnaround views, expression sheets, color palettes, and style consistency techniques. Use for: character design, game art, illustration, animation, comics, visual novels. Triggers: character design, character sheet, character consistency, character reference, turnaround sheet, expression sheet, character art, consistent character, character concept, reference sheet, character creation, OC design, character bible

P

product-hunt-launch

skills-101 / superpowers

Product Hunt launch optimization with specific specs, timing, and gallery strategy. Covers taglines, gallery images, maker comments, and launch day tactics. Use for: product launches, startup launches, side project launches, Product Hunt optimization. Triggers: product hunt, ph launch, product hunt launch, launch strategy, product launch, startup launch, product hunt tips, product hunt gallery, ph optimization, launch day, product hunt maker

Y

youtube-thumbnail-design

skills-101 / superpowers

YouTube thumbnail design with specific dimensions, contrast rules, and mobile preview optimization. Covers safe zones, text placement, face expression psychology, and A/B testing. Use for: YouTube thumbnails, video cover images, click-through optimization. Triggers: youtube thumbnail, thumbnail design, video thumbnail, click through rate, ctr optimization, youtube cover, video cover image, thumbnail maker, thumbnail tips, youtube design, video preview image

V

video-ad-specs

skills-101 / superpowers

Create video ads to exact platform specifications for TikTok, Instagram, YouTube, Facebook, and LinkedIn. Covers dimensions, duration limits, the AIDA framework, and caption requirements. Use for: video ads, social media ads, paid media creative, video marketing, ad production. Triggers: video ad, social media ad, TikTok ad, Instagram ad, YouTube ad, Facebook ad, LinkedIn ad, video creative, ad specs, paid media, video marketing, ad production, Reels ad, Stories ad, pre-roll, bumper ad

C

competitor-teardown

skills-101 / superpowers

Structured competitive analysis with feature matrices, SWOT, positioning maps, and UX review. Covers research frameworks, pricing comparison, review mining, and visual deliverables. Use for: market research, competitive intelligence, investor decks, product strategy, sales enablement. Triggers: competitor analysis, competitive analysis, competitor teardown, market research, competitive intelligence, swot analysis, competitor comparison, market landscape, competitor review, competitive landscape, feature comparison, market positioning

I

image-to-video

skills-101 / superpowers

Still-to-video conversion guide: model selection, motion prompting, and camera movement. Covers Wan 2.5 i2v, Seedance, Fabric, Grok Video with when to use each. Use for: animating images, creating video from stills, adding motion, product animations. Triggers: image to video, i2v, animate image, still to video, add motion to image, image animation, photo to video, animate still, wan i2v, image2video, bring image to life, animate photo, motion from image

E

eas-update-insights

expo / skills

Check the health of published EAS Update: crash rates, install/launch counts, unique users, payload size, and the split between embedded and OTA users per channel. Use when the user asks how an update is performing, whether a rollout is healthy, how many users are on the embedded build vs OTA, or wants to gate CI on update health.

P

python-testing-patterns

wshobson / agents

Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices.

G

golang-spf13-cobra

samber / cc-skills-golang

Golang CLI command tree library using spf13/cobra — cobra.Command, RunE vs Run, PersistentPreRunE hook chain, Args validators (NoArgs, ExactArgs, MatchAll, custom), persistent vs local flags, command groups, ValidArgsFunction, RegisterFlagCompletionFunc, ShellCompDirective, usage/help template customization, man-page and markdown doc generation, and testing with SetArgs/SetOut/SetErr. Apply when using or adopting spf13/cobra, or when the codebase imports `github.com/spf13/cobra`. For configuration layering alongside cobra, see the `samber/cc-skills-golang@golang-spf13-viper` skill. For general CLI architecture (project layout, exit codes, signal handling, I/O patterns), see `samber/cc-skills-golang@golang-cli`.

G

golang-swagger

samber / cc-skills-golang

Golang OpenAPI/Swagger documentation with swaggo/swag — annotation comments (@Summary, @Param, @Success, @Router, @Security), swag init code generation, framework integrations (gin, echo, fiber, chi, net/http), security definitions (Bearer/JWT, OAuth2, API key), and struct tags (swaggertype, enums, example, swaggerignore). Apply when adding or maintaining Swagger/OpenAPI docs in a Go project, or when the codebase imports github.com/swaggo/swag, github.com/swaggo/gin-swagger, github.com/swaggo/echo-swagger, github.com/swaggo/http-swagger, or github.com/swaggo/files.

Gmail: Watch for new emails and stream them as NDJSON

G

golang-graphql

samber / cc-skills-golang

Implements GraphQL APIs in Golang using gqlgen or graphql-go. Apply when building GraphQL servers, designing schemas, writing resolvers, handling subscriptions, or integrating GraphQL with existing Go HTTP services. Also apply when the codebase imports `github.com/99designs/gqlgen` or `github.com/graph-gophers/graphql-go`.

C

convex-expert

convex / agent-skills

Convex backend specialist. Use this agent for any code inside a `convex/` directory — function definitions, schemas, indexes, queries, mutations, actions, HTTP endpoints, cron jobs, file storage, auth wiring, and component installation. Knows the object-form function syntax, validator patterns, resource limits, and component ecosystem that generic Claude routinely gets wrong.

C

convex-auth

convex / agent-skills

Add authentication (passkeys/OAuth) to the current Convex app, including the auth.config.ts wiring

G

golang-google-wire

samber / cc-skills-golang

Compile-time dependency injection in Golang using google/wire — wire.NewSet, wire.Build, wire.Bind (interface→concrete), wire.Struct, wire.Value, wire.InterfaceValue, wire.FieldsOf, cleanup functions, //go:build wireinject injector files, and generated wire_gen.go. Apply when using or adopting google/wire, when the codebase imports `github.com/google/wire`, or when wiring an application graph at compile time via `wire.Build`. For runtime DI with reflection, see `samber/cc-skills-golang@golang-uber-dig` skill.

C

convex-migrate

convex / agent-skills

Migrate schema + backfill data on a deployed Convex app using @convex-dev/migrations.

F

flutter-add-widget-preview

flutter / agent-plugins

Adds interactive widget previews to the project using the previews.dart system. Use when creating new UI components or updating existing screens to ensure consistent design and interactive testing.

G

golang-spf13-viper

samber / cc-skills-golang

Golang configuration library using spf13/viper — layered precedence (flag > env > file > KV > default), BindPFlag/BindPFlags, SetEnvPrefix + SetEnvKeyReplacer + AutomaticEnv, ReadInConfig + ConfigFileNotFoundError, Unmarshal + mapstructure struct tags, Sub for sub-trees, WatchConfig + OnConfigChange for hot reload, viper.New() for test isolation, and remote KV integration. Apply when using or adopting spf13/viper, or when the codebase imports `github.com/spf13/viper`. For CLI command structure alongside viper, see the `samber/cc-skills-golang@golang-spf13-cobra` skill. For general CLI architecture, see `samber/cc-skills-golang@golang-cli`.

E

expo-api-routes

expo / skills

Guidelines for creating API routes in Expo Router with EAS Hosting

C

convex-authz

convex / agent-skills

Audit and harden a Convex app's authorization: identity-from-arg impersonation, missing per-document ownership checks, public queries leaking data by a client-supplied id, and writes into a parent/container the caller doesn't own. Scans for the 4 shapes, applies requireIdentity/requireOwner, verifies with tsc. TRIGGER on 'secure my app', 'audit auth/authz', 'who can access this data'. SKIP when there is no convex/ directory.

F

flutter-setup-localization

flutter / agent-plugins

Add `flutter_localizations` and `intl` dependencies, enable "generate true" in `pubspec.yaml`, and create an `l10n.yaml` configuration file. Use when initializing localization support for a new Flutter project.

C

convex-docs

convex / agent-skills

Pull version-current Convex docs for the version this project uses — pin the installed version, fetch page-as-markdown or check node_modules types, freshness hierarchy — instead of writing a possibly-stale API from memory.

C

convex-reviewer

convex / agent-skills

Convex code reviewer — security, auth, validators, performance, and pattern checks for code in a convex/ directory. Use to review or audit Convex functions before shipping.

C

convex-design

convex / agent-skills

Design and build reactive, type-safe, production-grade backends on Convex. Covers schema, queries/mutations/actions, indexes, auth, file storage, scheduling, real-time multiplayer, mobile backends, and LLM/agent workflows on Convex's one-platform stack.

C

convex-env

convex / agent-skills

Set and wire Convex deployment env vars / secrets for the app.

C

convex-deploy-guard

convex / agent-skills

Classify + announce the target Convex deployment before any deployment-affecting command; fresh explicit consent for prod actions; session read-only mode.

C

convex-optimize

convex / agent-skills

Audit and optimize an existing Convex app: security, scale, upgrades, observability.

C

convex-crons

convex / agent-skills

Add recurring scheduled jobs (crons) to the Convex app.

F

firebase-firestore-standard

firebase / agent-skills

Comprehensive guide for Firestore Standard Edition, including provisioning, security rules, and SDK usage. Use this skill when the user needs help setting up Firestore, writing security rules, or using the Firestore SDK in their application.

C

convex-advisor

convex / agent-skills

Read the Convex deployment's 72h insights (read limits, OCC contention), root-cause each event in code, report evidence-backed perf/cost findings with fixes.

C

convex-add

convex / agent-skills

Add a capability to the CURRENT Convex app — consults the served Convex capability catalog for always-current procedures (billing, crons, auth, agent, search, …); falls back to built-in hosting or @convex-dev component search. TRIGGER when the user runs /add, or asks to add hosting/publishing or any backend capability to an existing Convex app.

C

convex-agent

convex / agent-skills

Add an AI agent / RAG backend (@convex-dev/agent) to the Convex app.

G

golang-uber-fx

samber / cc-skills-golang

Golang application framework using uber-go/fx — fx.New, fx.Provide, fx.Invoke, fx.Module, fx.Lifecycle hooks, fx.Annotate (name/group/As), fx.Decorate, fx.Supply, fx.Replace, fx.WithLogger, and signal-aware Run(). Apply when using or adopting uber-go/fx, when the codebase imports `go.uber.org/fx`, or when wiring services with fx.New. For raw DI without lifecycle, see `samber/cc-skills-golang@golang-uber-dig` skill.

C

convex-cost

convex / agent-skills

Preview Convex spend — rank functions by bytes/documents read × call volume from insights, project each cost driver’s growth curve, name the cheapest fix; confirm-cost for paid actions

C

convex-test

convex / agent-skills

Generate convex-test tests for the app's Convex functions.

C

convex-insights

convex / agent-skills

Query a running Convex app’s logs and health in natural language (official MCP): failures, slow or expensive functions, deploy causality — scoped, evidence-backed, with a dashboard deep link

C

convex-migrate-rehearse

convex / agent-skills

Rehearse a live-app schema change and backfill on a snapshot-seeded preview deployment, verify it, then promote the proven change to prod with the snapshot as rollback

C

convex-backup

convex / agent-skills

Set up Convex backups and run a restore DRILL that proves recovery — snapshot, restore into a throwaway preview, assert the data came back — plus a schedule matched to your RPO and a gated recovery runbook

C

convex-explain-app

convex / agent-skills

Explain an existing Convex app — data model and relationships, public vs. internal functions, auth/ownership model, components, and a request-to-data flow — read from the schema and function surface. Read-only

C

convex-launch-readiness

convex / agent-skills

Run every Convex audit (authz, reviewer, advisor, insights) into one scored, deduped readiness report with an ordered fix plan — Lighthouse for your backend

C

convex-domains

convex / agent-skills

Point a domain you already own at your Convex app (DNS records, custom-domain attach, auth-origin rebind)

C

convex-billing

convex / agent-skills

Add Stripe billing and payments to the Convex app via @convex-dev/stripe (checkout, webhook, and gating)

C

convex-monitor

convex / agent-skills

Watch for the next dev/prod error or request in a Convex app and react to it

G

golang-uber-dig

samber / cc-skills-golang

Implements dependency injection in Golang using uber-go/dig — reflection-based container, Provide/Invoke, dig.In/dig.Out parameter and result objects, named values, value groups, optional dependencies, scopes, and Decorate. Apply when using or adopting uber-go/dig, when the codebase imports `go.uber.org/dig`, or when wiring an application graph at startup. For higher-level lifecycle and modules, see `samber/cc-skills-golang@golang-uber-fx` skill.

C

convex-verify

convex / agent-skills

Prove a Convex feature works — seed data, act as multiple mocked users via convex-test, and assert behavior, including negative authz cases (wrong user refused, data scope enforced)