OpenCode skills, plugins, subagents, slash commands and mcp servers

audit-xls official anthropics skill Audits Excel sheets for formula errors, hardcoded values, and logic breaks. It checks financial model integrity before sharing work with clients or review committees. Claude Code CX Codex Cursor +1 2,200installs systematic-literature-review bytedance skill A skill to automatically search and synthesize multiple papers by topic from arXiv. Collects research, extracts key findings, and outputs reports in APA, IEEE, or BibTeX format. Claude Code CX Codex Cursor +1 2,500installs flutter-implement-json-serialization flutter skill Teaches coding agents to build Dart models with fromJson and toJson methods using dart:convert. Useful for manual JSON mapping in simple Flutter data structures. Claude Code CX Codex Cursor +1 37,200installs slack-messaging official anthropics skill This skill helps agents write Slack messages with mrkdwn, clear structure, and channel-aware etiquette. Use it for drafts, replies, and announcements. Claude Code CX Codex Cursor +1 3,900installs context-engineering-collection muratcankoylan skill Patterns for production agent design: context management, multi-agent systems, long-running loops. Use when building autonomous systems that need to operate reliably. Claude Code CX Codex Cursor +1 4,200installs paseo-handoff getpaseo skill Transfers the current task to a fresh agent with context, decisions, and constraints. Useful when moving work into a clean session or an isolated git worktree. Claude Code CX Codex Cursor +1 4,800installs capability-evolver EvoMap skill Runs autonomous self-evolution for AI agents based on runtime history. It syncs code improvements with EvoMap Hub via a local JSONL mailbox proxy. Claude Code CX Codex Cursor +1 4,900installs flutter-add-widget-preview flutter skill Configures interactive Flutter widget previews with package:flutter/widget_previews.dart. Useful for testing UI components in isolation without launching the whole app. Claude Code CX Codex Cursor +1 36,600installs flutter-setup-localization flutter skill This skill automates initialization of multi-language support in Flutter projects. It adds dependencies, enables code generation, and creates a configuration file for .arb-based translations. Claude Code CX Codex Cursor +1 36,600installs harness-creator walkinglabs skill Builds, audits, and fixes scaffolding for coding agents. It generates agent instructions, state files, and verification gates to stop task drift. Claude Code CX Codex Cursor +1 2,300installs paseo-committee getpaseo skill Spawns two agents with contrasting reasoning styles to diagnose a stuck problem, break out of repetitive loops, and synthesize a plan. Useful when you need a fresh perspective and deep root-cause analysis. Claude Code CX Codex Cursor +1 4,700installs flutter-use-http-package flutter skill This skill shows how to send GET, POST, PUT, and DELETE requests with Flutter's http package and handle JSON responses. Use it when an app needs to read from or write to a REST API. Claude Code CX Codex Cursor +1 36,000installs create-prd phuryn skill This skill builds a lean PRD from an 8-section template. Use it to define a feature, document product requirements, or review an existing PRD. Claude Code CX Codex Cursor +1 10,800installs learn tw93 skill A six-phase research workflow that turns source material into notes, an outline, or a publish-ready draft. Use it for unfamiliar domains and multi-source work. Claude Code CX Codex Cursor +1 13,100installs podcast-generation bytedance skill Turns articles, reports, or documentation into a two-host conversational podcast and produces an MP3 with an optional transcript. Claude Code CX Codex Cursor +1 2,400installs cli-hub-meta-skill HKUDS skill A skill that gives agents a catalog of professional command-line tools built for AI. Search, install, and run CLIs for video, design, AI, and development without leaving your editor. Claude Code CX Codex Cursor +1 5,300installs clean-data-xls official anthropics skill Automates cleanup of messy Excel and Google Sheets data: trims whitespace, unifies case, converts numbers stored as text, standardizes dates, removes duplicates, and flags mixed-type columns. Claude Code CX Codex Cursor +1 2,100installs 3-statement-model official anthropics skill Fills and links three-statement financial model templates in Excel using formulas across IS, BS, and Cash Flow. Claude Code CX Codex Cursor +1 2,100installs transitions-polish Jakubantalik skill This skill audits existing animations and maps timing, distance, scale, blur, and easing to motion tokens. Use it when motion feels off. Claude Code CX Codex Cursor +1 10,600installs codex-result-handling official openai skill A skill that ensures Codex results are presented to you properly. Preserves findings, inferences, file paths, line numbers, and severity order. Blocks automatic code fixes after review—you must approve changes first. Claude Code CX Codex Cursor +1 675installs release tobi skill This skill manages a project release by checking the changelog, installing git hooks, and updating release versions. Use it when the project has a defined release flow. Claude Code CX Codex Cursor +1 2,200installs variant jakubkrehel skill This skill builds distinct versions of one UI component and puts them on the page where it will live. Use it to compare design directions before choosing one. Claude Code CX Codex Cursor +1 14,300installs interview-prep official anthropics skill Builds interview plans with competency-based questions, scoring rubrics, and a debrief template. Useful when preparing structured candidate interviews. Claude Code CX Codex Cursor +1 3,700installs validate-data official anthropics skill Runs QA checks on data reports, SQL queries, and charts before stakeholder review. Catches calculation bugs, flawed logic, and analytical bias. Claude Code CX Codex Cursor +1 3,700installs seo-audit official anthropics skill This skill audits a site’s search visibility, pages, technical signals, and competitor content. Use it to identify SEO work and sort findings into priorities. Claude Code CX Codex Cursor +1 3,700installs img2threejs img2threejs skill Builds a procedural Three.js model from an object or character image. Use it for code-based reconstruction, animation preparation, and staged model generation. Claude Code CX Codex Cursor +1 2,400installs cmux-customization manaflow-ai skill Configures the cmux workspace manager: edits cmux.json, wires Command Palette actions, sets dock terminals, and routes terminal-level styling directly to Ghostty. Claude Code CX Codex Cursor +1 6,600installs surprise-me bytedance skill This skill combines available skills into one unexpected creative deliverable. Use it when you want inspiration or a project without choosing the format yourself. Claude Code CX Codex Cursor +1 2,300installs explain-interface jakubkrehel skill Explains how a visual effect, animation, or website layout was built from a live page or a screenshot. It breaks down the underlying layer stack. Claude Code CX Codex Cursor +1 13,900installs seo AgriciDaniel skill Runs site audits, technical checks, Schema.org validation, and Generative Engine Optimization. Suitable for SaaS, e-commerce, and local business audits. Claude Code CX Codex Cursor +1 9,000installs brand-voice-enforcement official anthropics skill This skill automatically applies your brand guidelines to any content: emails, posts, proposals. It loads your rules, adapts tone to the audience, and explains how each brand choice works. Claude Code CX Codex Cursor +1 3,600installs just-scrape ScrapeGraphAI skill Use the ScrapeGraph AI CLI to search, scrape pages, extract structured data, crawl site sections, and monitor changes. It fits tasks that need website content or recurring page checks. Claude Code CX Codex Cursor +1 245,000installs pre-mortem phuryn skill Runs a pre-mortem risk assessment on PRDs and launch plans. Catches critical launch blockers, surfaces hidden team assumptions, and maps action items. Claude Code CX Codex Cursor +1 10,200installs codegen vercel-labs skill Utilities for generating code from json-render UI trees. Build custom code exporters for Next.js, Remix, and other frameworks, traverse specs, and serialize props. Claude Code CX Codex Cursor +1 8,900installs cmux-diagnostics manaflow-ai skill Skill runs read-only cmux diagnostics: sockets, hooks, session restore, settings. Use when notifications fail, agents don't resume, or you need a support-safe debug report. Claude Code CX Codex Cursor +1 6,400installs firebase-security-rules-auditor Google LLC skill Audits Firebase rules for data leaks, privilege escalation, and validation gaps. Use it when reviewing Firestore or Cloud Storage access. Claude Code CX Codex Cursor +1 138,200installs cloud-sync thedotmack skill Syncs your claude-mem database with cmem.ai Pro cloud storage. Checks sync status, manages the connection, and uploads observation narratives to the server. Claude Code CX Codex Cursor +1 2,100installs reconciliation official anthropics skill Compares GL balances with subledgers, bank statements, or third-party data. Useful for finding and classifying reconciliation differences. Claude Code CX Codex Cursor +1 3,500installs write-spec official anthropics skill Turns vague ideas, feature requests, or problem statements into structured PRDs with goals, non-goals, and prioritized requirements. Claude Code CX Codex Cursor +1 3,500installs outcome-roadmap phuryn skill Rewrites feature-heavy roadmaps into outcome-focused statements tied to business and customer impact. Helps teams replace rigid feature lists with measurable strategic goals. Claude Code CX Codex Cursor +1 9,900installs