# Slashskills

> MIT-licensed Agent Skills for software design, implementation, review, and documentation.

## Installation and requirements

- [Catalog JSON](https://www.slashskills.xyz/skills.json): descriptions, tool requirements, source links, and install commands.
- [Compatibility](https://www.slashskills.xyz/compatibility): runtime and tool requirements.
- [Source repository](https://github.com/tushaarmehtaa/tushar-skills): inspect packages before installation.
- [Claude Code plugin](https://github.com/tushaarmehtaa/tushar-skills/blob/main/docs/claude-plugin.md): focused release-review and documentation bundle.

A skill supplies instructions, not model access or tool permissions. Structural validation does not certify security or task performance.

## Skills

- [agent-instructions](https://www.slashskills.xyz/agent-instructions): Create or reconcile scoped AGENTS.md, CLAUDE.md, and Cursor rules from repository evidence. Use when coding-agent guidance is missing, stale, duplicated, or conflicting.
- [ai-cost-audit](https://www.slashskills.xyz/ai-cost-audit): Audit AI usage, billing, unit economics, routing, caching, batching, and optimization. Use when AI cost, margin, pricing, model choice, or savings must be measured or verified.
- [ai-product-development](https://www.slashskills.xyz/ai-product-development): Design, implement, or audit production AI features with model selection, streaming UX, tool use, safety, evaluation, observability, and cost controls. Use when building AI into an app.
- [analytics](https://www.slashskills.xyz/analytics): Plan, implement, or audit analytics, error monitoring, health checks, dashboards, and reporting. Use when designing events, consent-aware tracking, incident visibility, or observability.
- [auth-implementation](https://www.slashskills.xyz/auth-implementation): Implement authentication, authorization, tenant isolation, sessions, and protected routes. Use when adding sign-in, identity sync, provider integration, account linking, roles, or access control.
- [changelog](https://www.slashskills.xyz/skills/changelog): Turn a verified git range into audience-appropriate changelog copy and optional visual assets. Use when preparing weekly updates, release summaries, or social changelog cards.
- [cold-outreach](https://www.slashskills.xyz/cold-outreach): Research, write, audit, and improve cold messages, introductions, replies, and sequences. Use when contacting prospects, investors, partners, candidates, or other professional recipients.
- [credit-metering](https://www.slashskills.xyz/credit-metering): Implement or audit usage credits with atomic reservations, spending, grants, purchases, expiration, refunds, limits, UI state, and an immutable ledger. Use when an app meters consumable usage.
- [decision-doc](https://www.slashskills.xyz/decision-doc): Facilitate, research, write, or audit decision records with options, evidence, tradeoffs, ownership, and review triggers. Use when a person or team must choose or document an approach.
- [demo-video](https://www.slashskills.xyz/demo-video): Plan, script, build, and verify Remotion product demos, walkthroughs, launch clips, and explainers. Use when a product or technical claim needs a storyboard or rendered video.
- [deploy-check](https://www.slashskills.xyz/deploy-check): Run a production preflight across release scope, tests, builds, secrets, migrations, dependencies, configuration, observability, and rollback. Use when deploying, pushing, or approving a release.
- [email-with-resend](https://www.slashskills.xyz/email-with-resend): Implement or audit Resend email with templates, queues, preferences, audiences, campaigns, webhooks, and delivery safety. Use when an app needs consent-aware email or Resend repair.
- [fundraising](https://www.slashskills.xyz/fundraising): Assess venture fit, pitches, investors, round plans, meetings, and diligence. Use when founders are deciding whether to raise, preparing a raise, or improving an active fundraising process.
- [humanize](https://www.slashskills.xyz/humanize): Edit or audit prose for generic AI patterns while preserving voice, meaning, uncertainty, and format. Use when writing sounds synthetic, repetitive, over-polished, or unlike its author.
- [image-editing](https://www.slashskills.xyz/image-editing): Edit supplied images while preserving product identity, exact copy, composition, and previously approved changes. Use when a supplied image needs reference-based edits or successive revisions.
- [interface-design](https://www.slashskills.xyz/interface-design): Design and implement production web interfaces from product, content, brand, and interaction evidence. Use when creating or redesigning pages, dashboards, workflows, or components.
- [landing-copy](https://www.slashskills.xyz/landing-copy): Research, audit, or write evidence-backed landing-page messaging, proof, objections, and calls to action. Use when product, pricing, campaign, or waitlist pages need clearer positioning.
- [landing-page](https://www.slashskills.xyz/landing-page): Design, build, audit, or repair evidence-led landing pages by coordinating message, proof, structure, interface, and verification. Use when a marketing page must perform a clear job.
- [mobile-first](https://www.slashskills.xyz/mobile-first): Audit and repair responsive interfaces from measured narrow-screen evidence without changing product intent. Use when a page clips, overflows, stacks poorly, or fails on touch.
- [payments-with-dodo](https://www.slashskills.xyz/payments-with-dodo): Implement or repair Dodo Payments checkout, subscriptions, webhooks, entitlements, billing UI, refunds, and verification. Use when adding Dodo billing or auditing its full lifecycle.
- [performance-diagnosis](https://www.slashskills.xyz/performance-diagnosis): Diagnose web-app performance across build, server, browser, database, and network paths. Use when investigating slowness, resource spikes, reload loops, regressions, bloat, or poor Web Vitals.
- [product-experiments](https://www.slashskills.xyz/product-experiments): Design, implement, validate, analyze, and conclude experiments or safe rollouts. Use when testing product behavior with flags, exposure tracking, metrics, staged releases, or A/B tests.
- [product-launch](https://www.slashskills.xyz/product-launch): Plan, implement, audit, or review launches with positioning, assets, distribution, conversion, measurement, waitlists, and follow-up. Use when preparing or learning from a product launch.
- [product-spec](https://www.slashskills.xyz/product-spec): Create or audit product briefs and buildable specs covering scope, flows, data, permissions, rollout, and acceptance. Use when planning a new product or a change before implementation.
- [product-teardown](https://www.slashskills.xyz/product-teardown): Produce evidence-backed product or competitor teardowns and transferable principles. Use when analyzing positioning, copy, UX, onboarding, pricing, trust, design, or visible retention loops.
- [rate-limit](https://www.slashskills.xyz/rate-limit): Implement or audit Upstash Redis rate limits with trusted user, tenant, API-key, or IP identifiers, 429 headers, and outage behavior. Use when protecting Next.js routes from abuse or cost.
- [readme](https://www.slashskills.xyz/readme): Audit, write, and verify README files for adoption, operation, contribution, or internal orientation. Use when repository documentation is missing, inaccurate, or hard to follow.
- [remove-ai-slop](https://www.slashskills.xyz/remove-ai-slop): Audit and remove AI-like design and copy defaults using rendered evidence and confidence scoring. Use when reviewing an interface for generic or repetitive patterns.
- [search-ready](https://www.slashskills.xyz/search-ready): Audit, implement, or verify technical SEO, indexation, content, schema, social previews, and AI discovery. Use when preparing or maintaining a live site for search and answer engines.
- [skill-creator](https://www.slashskills.xyz/skill-creator): Create, improve, merge, and validate portable Agent Skill packages with adaptive workflows and behavioral evals. Use when authoring or reconstructing SKILL.md packages.
- [social-sharing](https://www.slashskills.xyz/social-sharing): Audit, implement, and verify canonical URLs, social metadata, preview images, and share links. Use when shared routes are missing, stale, generic, private, or incorrect.
- [supabase](https://www.slashskills.xyz/supabase): Set up, extend, or audit Supabase schema, grants, RLS, migrations, typed clients, storage, and external auth. Use when integrating Supabase or repairing data access and tenant isolation.
- [ui-copy](https://www.slashskills.xyz/ui-copy): Audit, write, and implement interface language across actions, forms, states, errors, progress, and notifications. Use when product copy must match system behavior and voice.
- [user-insights](https://www.slashskills.xyz/user-insights): Analyze behavioral segments, retention, activation, funnels, adoption, churn, and monetization. Use when product, event, billing, or qualitative data must inform a product decision.
- [who-to-sell-to](https://www.slashskills.xyz/who-to-sell-to): Find your ideal customer profile from real paid and lost deals, with a report of triggers, disqualifiers and a 90-day plan. Use when deciding who to sell to, or why deals stall or don't renew.