GitHub Copilot skills, plugins, subagents, slash commands and mcp servers

golang-concurrency samber skill The skill sets rules for concurrent Go code: goroutine lifecycle, channels and select, mutexes, errgroup, singleflight, worker pools, and fan-out/fan-in pipelines. Claude Code CX Codex Cursor 41,600installs mempalace-recall MemPalace skill Instructs the agent to query MemPalace before answering questions about past decisions, projects, or people. Prevents model hallucinations when facts are already stored. Claude Code CX Codex Cursor 1,300installs strategy-red-team phuryn skill Stress-tests PRDs, roadmaps, and strategies by attacking load-bearing assumptions before reality does, returning kill criteria and cheap tests. Claude Code CX Codex Cursor 9,200installs winui3-migration-guide official github skill This skill helps move UWP code to WinUI 3 and Windows App SDK. Use it to check API replacements, namespaces, and common Copilot mistakes. 5,700installs winmd-api-search official github skill This skill finds the right Windows API for a task and returns full type details. Useful when you are building a feature and don't know which class or interface to reach for. 5,700installs earnings-preview-single official anthropics skill Generates a 4-5 page HTML equity research earnings preview for a single company: analyzes the latest earnings transcript, competitors, valuation multiples, and recent news. Claude Code CX Codex Cursor 1,800installs bond-futures-basis official anthropics skill Evaluates bond futures basis, identifies the cheapest-to-deliver bond, and calculates implied repo rates to spot basis trading opportunities. Claude Code CX Codex Cursor 1,800installs fixed-income-portfolio official anthropics skill Skill for bond portfolio analysis: pricing, duration, DV01, rate scenarios and cashflow projections. Aggregates MCP tool outputs into risk metric reports. Claude Code CX Codex Cursor 1,800installs seo-audit AgriciDaniel skill Runs a site-wide SEO audit up to 500 pages and scores domain health. Produces categorized markdown findings, JSON data, and a phased action plan. Claude Code CX Codex Cursor 8,000installs audit-support official anthropics skill A skill with SOX 404 control testing methodology, sampling approaches and documentation standards. Useful for audit workpapers and sample selection. Claude Code CX Codex Cursor 3,200installs process-optimization official anthropics skill Analyzes business workflows to find bottlenecks and waiting times. Useful when a procedure takes too many steps or stalls on manual approvals. Claude Code CX Codex Cursor 3,200installs slack-search official anthropics skill This skill guides an agent through finding Slack messages, files, channels, and people. Use it to gather context or track down a specific conversation. Claude Code CX Codex Cursor 3,200installs daily-briefing official anthropics skill Builds a morning rundown with today’s meetings, account context, closing-soon opportunities, stale flags, waiting customer emails, and top actions. Claude Code CX Codex Cursor 3,200installs directives vercel-labs skill Pre-built directives for json-render: formatting, math, string handling, i18n. Wire them into your catalog and renderer with one import. Claude Code CX Codex Cursor 8,000installs deepeval Confident AI skill DeepEval skill sets up evaluation loops for AI agents and RAG systems. It creates pytest suites, generates golden datasets, and catches regressions. Claude Code CX Codex Cursor 2,800installs golang-database samber skill Go database guidelines for database/sql, sqlx, and pgx. Enforces parameterized queries, context passing, and explicit connection pool handling without ORMs. Claude Code CX Codex Cursor 40,700installs golang-naming samber skill A Go naming skill for writing, reviewing, and refactoring code. It covers packages, types, errors, booleans, enums, and tests. Claude Code CX Codex Cursor 40,700installs voicestudio-maintainer debpalash skill Guides maintenance tasks for VoiceStudio by triaging issues, reviewing PRs, diagnosing CI runs, and staging Electron releases. It is not designed for audio synthesis. Claude Code CX Codex Cursor 795installs ralph-plan mastra-ai skill An interactive planning skill for Claude Code and coding agents. It helps build structured ralph-loop commands through guided dialog and codebase exploration. Claude Code CX Codex Cursor 2,600installs browser-automation sickn33 skill This skill builds browser checks around observed UI state and explicit outcomes. Use it for UI workflows, timing failures, or authorised page-data collection. Claude Code CX Codex Cursor 6,700installs golang-safety samber skill Skill prevents common Go crashes before they happen: nil map writes, typed-nil interfaces, append aliasing, silent integer truncation, and resource leaks from defer in loops. Claude Code CX Codex Cursor 40,400installs golang-project-layout samber skill Skill organizes a Go project by convention: cmd/, internal/, pkg/ directories, module naming, go.work for monorepos. Asks about architecture and dependency injection approach, then scaffolds files and config. Claude Code CX Codex Cursor 40,300installs golang-modernize samber skill A skill that updates Go codebases to current language idioms, standard library improvements, and tooling. Handy when reviewing old-style patterns, bumping the Go version, or refreshing CI. Claude Code CX Codex Cursor 40,200installs golang-documentation samber skill Guides Go documentation standards, covering godoc comments, Example tests, README, and llms.txt. Useful when releasing libraries or CLIs. Claude Code CX Codex Cursor 40,200installs golang-data-structures samber skill Helps choose Go data structures and understand slices, maps, and standard containers. Useful when designing generic collections or working with pointers. Claude Code CX Codex Cursor 40,100installs security-review official github skill Reviews code and dependencies for vulnerabilities, exposed secrets, and access-control flaws. Use it before a release or when auditing a project path. 5,500installs status-report official anthropics skill Generates a structured status report for leadership: KPI metrics with green/yellow/red flags, risks, and decisions needed. Turns project tracker activity into a readable narrative. Claude Code CX Codex Cursor 3,100installs customer-research official anthropics skill Researches customer topics across internal documents, CRMs, team chats, and web sources. Generates a structured brief with confidence scores and source attribution. Claude Code CX Codex Cursor 3,100installs sprint-planning official anthropics skill This skill turns team availability, backlog priorities, and carryover into a sprint plan. Use it when setting goals, sizing work, or checking capacity. Claude Code CX Codex Cursor 3,100installs data-context-extractor official anthropics skill Extracts tribal knowledge from data analysts about your warehouse and auto-generates reference files. Runs in bootstrap mode for initial setup and iteration mode to add new domains. Claude Code CX Codex Cursor 3,100installs roadmap-update official anthropics skill Updates, creates, and reprioritizes product roadmaps. Useful when deadlines slip, new initiatives take priority, or a Now/Next/Later view is needed from scratch. Claude Code CX Codex Cursor 3,100installs runbook official anthropics skill This skill turns a recurring operation into a step-by-step runbook with verification, failure handling, rollback, and escalation guidance. Claude Code CX Codex Cursor 3,100installs brand-review official anthropics skill A skill that reviews marketing copy, copywriting, and content against your brand guide, voice, and messaging standards. Flags deviations by severity and suggests concrete fixes. Claude Code CX Codex Cursor 3,100installs golang-troubleshooting samber skill Systematic root-cause debugging for Go code facing deadlocks, panics, and race conditions. Guides the agent to reproduce bugs before applying fixes. Claude Code CX Codex Cursor 39,800installs site-md official google-labs-code skill Generates a .stitch/SITE.md constitution file from requirements or project briefs for the Stitch Build Loop. Claude Code CX Codex Cursor 3,600installs golang-dependency-management samber skill This skill manages Go dependencies, version conflicts, module audits, and vulnerability checks. Use it when changing go.mod or reviewing a package before adoption. Claude Code CX Codex Cursor 39,700installs seo-content AgriciDaniel skill This skill checks content quality, E-E-A-T, readability, and AI citation readiness. Use it for page content audits and final draft cleanup. Claude Code CX Codex Cursor 7,700installs golang-structs-interfaces samber skill Enforces idiomatic Go patterns for struct and interface design. Useful when defining consumer-driven contracts, zero-value structs, and compile-time type checks. Claude Code CX Codex Cursor 39,600installs firebase-remote-config-basics Google LLC skill Manages Firebase Remote Config templates, loading strategies, and feature flags for Android and iOS. Helps tweak app behavior without pushing a release to app stores. Claude Code CX Codex Cursor 120,800installs reference-core angular skill Explains the runtime architecture of Angular's packages/core. Use it when modifying Ivy instructions, dependency injection, or signals. Claude Code CX Codex Cursor 986installs