Tools

Agent skills maintained by the Flutter team: layered architecture, responsive layouts, fixing layout overflows, declarative routing, internationalization, JSON serialization, and widget and integration tests. Works alongside the Dart MCP server.

A collection of 120 marketing skills split across seven areas: brand storytelling, SEO and AI search optimization, social, email, paid ads, influencer partnerships and launches, producing research, plans and copy. Works by pasting in your own data, with no required API key.

Unified search across 20+ academic sources including arXiv, PubMed, bioRxiv, Semantic Scholar and OpenAlex, returning deduplicated, normalized results and downloading full text via open-access channels first. Most sources need no API key.

Measurement-first audits and optimization of web quality using Lighthouse, Chrome DevTools performance traces and CrUX data, covering Core Web Vitals, WCAG 2.2 accessibility, SEO and best practices, for any frontend framework. By Addy Osmani (not an official Google project).

Replaces arXiv preprint entries in your .bib file with the official published versions from DBLP and ACL Anthology, keeping citation keys, to tidy references before camera-ready. Overwrites the file by default, so preview with --dry-run. Mainly covers CS venues; needs Python 3.10+.

Connects to your Supabase projects: manage schemas and migrations, run SQL, deploy Edge Functions, create development branches and generate TypeScript types. A remote server hosted by Supabase with OAuth sign-in.

A JADX decompiler plugin plus companion MCP server that lets agents read an APK's classes, methods, Smali and resources to assist Android reverse engineering and vulnerability hunting. Requires JADX-GUI and uv.

Open-source, agent-friendly BI: define metrics and dashboards in YAML and SQL, and rill init generates project instructions and MCP config for Claude Code so agents can build business dashboards and answer questions in natural language. Local use is free; publishing to Rill Cloud needs an account.

Open-source meeting bot and real-time transcription platform: sends a bot into Google Meet, Teams or Zoom and transcribes live by speaker, with MCP so agents can dispatch bots and read transcripts. Use the hosted service (API key) or self-host.

Contract review plugin: five parallel subagents score contracts and flag risky clauses, compare versions, spot missing terms, explain legalese and draft counterproposals, NDAs, terms of service and privacy policies with GDPR/CCPA gap checks. No account needed; US-law focused; needs lawyer review.

Marketing work in Claude Code via /market commands: audits and scores a site's copy, conversion and SEO, and generates copy, email sequences, a 30-day social calendar, ad creative, launch plans and client proposals, with PDF reports. Install via the README script; PDF export needs Python.

A native x64dbg plugin that works as an MCP server, exposing dozens of debugging tools: agents can set breakpoints, step through code, read and write memory, analyze PE structure and locate the OEP of packed binaries. Windows only; install the plugin in x64dbg, then connect with a token.

Supermemory's official Claude Code plugin: hooks save memories automatically when a session ends and recall them on demand, giving persistent memory across sessions and projects, with shared project memory for teams. Needs a Supermemory API key and Node.js 18+.

Google's official terminal coding agent and successor to Gemini CLI: understands your codebase and, with your approval, edits files and runs commands. Shares its engine and settings with the Antigravity 2.0 desktop app. Closed source; sign in with a Google account; free tier included.

Plugin marketplace for multi-agent dev workflows: omo multi-agent orchestration, BMAD agile role flows, requirements-driven development, SPARV and common dev commands, delegating coding tasks to Codex, Claude, Gemini and other backends (their CLIs installed separately). AGPL licensed.

65 skills built on methods from business, marketing and design bestsellers like Influence, StoryBrand and The Lean Startup: positioning, copywriting, conversion optimization, sales negotiation, UX review, plus step-by-step startup and site-building guides. Prompt-only, no API key needed.

Scans codebases and dependencies for open-source licenses, copyright notices and package manifests, detecting licenses by full-text matching, with output in JSON, SPDX, CycloneDX and more, for open-source compliance reviews.

Simon Willison's website screenshot CLI: batch screenshots from YAML, record demo videos, export PDF and HTML, run JavaScript in pages to extract data, and dump accessibility trees. Built on Playwright; install a browser on first use.

Runs open image models like FLUX, Qwen Image and Z-Image locally on a Mac: text-to-image, reference-based edits, inpainting and upscaling, all on-device. Needs Apple Silicon and uv; the first run downloads models and is slow. Check each model's license before commercial use.

The HR department of headcount's company-style agent org: 12 skills for org design, hiring, pay and levels, performance, employee relations, compliance, benefits and leave, on/offboarding, payroll, workforce planning and training. No account needed; have HR or a lawyer check compliance.

The legal and risk department of headcount's company-style agent org: 8 skills for contracts and negotiation, governance, disputes and evidence, IP, privacy, compliance and a risk register; can vet other departments' work. Skills only, no account; laws vary by region, so have a lawyer review.

Four tools for real-time web search, page content extraction, site mapping and full-site crawling, available as a remote server or run locally. Maintained by Tavily; needs an API key or OAuth sign-in, and a free account is available.

Supabase's official CLI: runs the full backend stack locally (Postgres, Auth, Storage, Edge Functions), manages database migrations, generates types and deploys functions. The local stack requires Docker.

Terraform and OpenTofu best practices from Anton Babenko: diagnoses the failure mode first, then guides testing, module structure, state management, CI/CD and security scanning. Works for AWS, Azure and GCP.