doublecheck.agent
Interactive verification agent for AI-generated output. Runs a three-layer pipeline (self-audit, source verification, adversarial review) and produces…
An agent is a specialist Claude hands a whole job to, with its own tools and its own context.
497 agents across 675 plugins.
Interactive verification agent for AI-generated output. Runs a three-layer pipeline (self-audit, source verification, adversarial review) and produces…
Provides installation guidance, usage examples, and automation patterns for the Droid CLI, with emphasis on droid exec for CI/CD and non-interactive automation
Patent prior-art + landscape intelligence persona. Walks 6 forcing intake questions with mandatory sub-use-case commitment (novelty / FTO / landscape /…
Flow-first delivery lead. Routes project-management inquiries (sprint/velocity, portfolio health, Jira/JQL, Confluence, Atlassian admin, templates, meetings,…
Product analytics agent for KPI definition, dashboard setup, experiment design, and test result interpretation. Use when a product question needs numbers —…
Many browsers don't have hardware acceleration for CSS3 animations on SVG elements. Wrap SVG in a `<div>` and animate the wrapper instead.
Use explicit ternary operators (`? :`) instead of `&&` for conditional rendering when the condition can be `0`, `NaN`, or other falsy values that render.
Apply `content-visibility: auto` to defer off-screen rendering.
Expert assistant for Drupal development, architecture, and best practices using PHP 8.3+ and modern Drupal patterns
The Dynatrace Expert Agent integrates observability and security capabilities directly into GitHub workflows, enabling development teams to investigate…
Our expert AI assistant for debugging code (O11y), optimizing vector search (RAG), and remediating security threats using live Elastic data.
Product management agent for feature prioritization, customer discovery, PRD development, and roadmap planning using RICE framework. Use when a product…
Outcome-first product lead. Routes product inquiries (prioritization, OKRs, UX research, design systems, competitive, analytics, experiments, discovery,…
Product strategy agent for quarterly OKR planning, competitive landscape analysis, product vision development, and strategy pivot evaluation. Use when the…
Extract static JSX outside components to avoid re-creation.
When rendering content that depends on client-side storage (localStorage, cookies), avoid both SSR breakage and post-hydration flickering by injecting a…
Reduce SVG coordinate precision to decrease file size. The optimal precision depends on the viewBox size, but in general reducing precision should be…
Code Review Mode tailored for Electron app with Node.js backend (main), Angular frontend (render), and native integration layer (e.g., AppleScript, shell, or…
An AI partner, not an assistant. Ember carries fire from person to person — helping humans discover that AI partnership isn't something you learn, it's…
Provide expert C++ software engineering guidance using modern C++ and industry best practices.
Project Manager agent for sprint planning, Jira/Confluence workflows, Scrum ceremonies, and stakeholder reporting. Orchestrates project-management skills. Use…
Multi-source recency research persona. Walks 2–4 forcing intake questions one at a time (topic specificity, angle, time window, platform scope), runs Reddit +…
Quality & Regulatory agent for ISO 13485 QMS, MDR compliance, FDA submissions, GDPR/DSGVO, and ISMS audits. Orchestrates ra-qm-team skills. Spawn when users…
Don't subscribe to dynamic state (searchParams, localStorage) if you only read it inside callbacks.
Specify primitive dependencies instead of objects to minimize effect re-runs.
Subscribe to derived boolean state instead of continuous values to reduce re-render frequency.
Provide expert .NET software engineering guidance using modern software design patterns.
Expert embedded C guidance for safety-critical systems — covers MISRA C:2012/2025 rule compliance, CERT C secure coding, static analysis tooling (Coverity,…
Expert Next.js 16 developer specializing in App Router, Server Components, Cache Components, Turbopack, and modern React patterns with TypeScript
Mid-conversation reflection persona. Halts the current thread, re-reads full conversation from original goal forward, runs 5-dimension analysis (Macro / Gap /…
Hybrid research router + fallback persona. Walks 2-4 minimal intake questions (Q1 question + Q2 output preference; Q3 disambiguation only when classification…
Evidence-first R&D operations lead. Routes enterprise research inquiries (clinical study design / R&D finance / market research / product research) to the…
When updating state based on the current state value, use the functional update form of setState instead of directly referencing the state variable. This…
Pass a function to `useState` for expensive initial values. Without the function form, the initializer runs on every render even though the value is only used…
Extract expensive work into memoized components to enable early returns before computation.
Expert React 19.2 frontend engineer specializing in modern hooks, Server Components, Actions, TypeScript, and performance optimization
Fedora (Red Hat family) Linux specialist focused on dnf, SELinux, and modern systemd-based workflows.
Runtime web-performance specialist for diagnosing Core Web Vitals, Lighthouse regressions, layout shifts, long tasks, and slow network paths with Chrome…
Convenes a 5-angle adversarial panel (Critic, Champion, Analyst, Investigator, Customer) on a business idea, then acts as the Judge to deliver one GO / RESHAPE…
Use when the user wants to scrape a website, crawl docs, extract data from PDFs/Excel/CSV/HTML, parse an API response into a dataset, or debug a brittle…
Senior Engineer agent for architecture decisions, code review, DevOps, and API design. Orchestrates engineering and engineering-team skills for technical…
Mark frequent, non-urgent state updates as transitions to maintain UI responsiveness.
Detailed documentation for schedule management endpoints in the Cal.diy API v2.
Use Next.js's `after()` to schedule work that should execute after a response is sent. This prevents logging, analytics, and other side effects from blocking…
Refactoring specialist: removes dead code, reduces complexity, consolidates duplicates.
Root-cause analysis, stack trace diagnosis, regression bisection, error reproduction.
Skill-author persona. Forcing-question interrogator before any new-skill commit. Runs Matt Pocock's 6-item review checklist as a 6-question gate. Refuses to…
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