Tools

Official testing skills from TestMu AI (formerly LambdaTest) covering 40+ frameworks including Selenium, Playwright, Cypress, Appium, pytest and JUnit, guiding agents to write unit, end-to-end and mobile tests. Runs locally; cloud cross-browser and real-device runs need an account.

Helps HR and founders write employer brand content: careers page copy, company values docs, day-in-the-life posts, team stories and engineering blogs, backing every claim with a concrete policy or real story instead of fluff. Part of startup-founder-skills; no account needed.

50 skills for founders covering fundraising (pitch materials, investor research, data rooms), sales outreach, PRDs, hiring (JDs, interview questions) and legal docs (privacy policy, terms of service, contract review). Set up startup-context once; have a lawyer check legal output.

Describe the video you want and the agent builds a reproducible edit project: footage, storyboard, bilingual subtitles, transitions, intro and outro, rendering and QA. Needs Node.js and ffmpeg; AI voice and assets need ListenHub. Science mode uses the author's voice and outro by default.

Email marketing skill: audits your setup, builds welcome, abandoned-cart and other flows from a brief, writes in your brand voice, diagnoses spam issues and checks GDPR compliance before sending, plus 19 industry playbooks. Klaviyo or Mailchimp control needs an MCP; get compliance reviewed.

Lets agents read delivery data and change history for Facebook and Instagram ad accounts, campaigns, ad sets and creatives to analyze performance and spot underperforming ads; read-only. Needs a Meta access token (the GoMarble installer can generate one); runs from source with Python.

Official MCP for Plane, the open-source project management tool: lets agents read and manage projects, work items, cycles, modules and releases, with PQL queries. Use the hosted server with OAuth, or run locally via uvx with an API key; works with self-hosted Plane.

Offline translation sync for coding agents: hands only new strings in JSON, YAML, PO, CSV and other locale files to the agent for translation and never overwrites human-edited translations, saving tokens. Needs Node.js; calls no translation API itself.

Leads a visible, verified code walkthrough in Neovim: confirms real behavior by running code, then authors one immutable Navi tour with short notes the viewer steps through, optionally recorded with OBS. Requires Terminal Control (termctrl), Neovim 0.10+ and navi.nvim.

Opinionated guide to production TypeScript with Effect v4: Effect.gen workflows, Context.Service and Layer services, Schema models and typed errors, Config, Schedule retries, Cache, Stream, HttpClient and deterministic tests, plus patterns to avoid. Requires Effect v4.

Uses Photoshop's COM interface so agents can create, open and save documents, add text and solid color layers, read the layer structure and run JSX scripts, handy for batch social graphics through chat. Windows only; needs Photoshop, Python 3.10+ and uv.

ComfyUI's official MCP: lets agents drive local ComfyUI image and video workflows, list installed nodes, models and templates, submit jobs and fetch results, and start or stop ComfyUI. Needs a machine that can run ComfyUI (usually a GPU) and comfy-cli; partner models consume Comfy credits.

Railway's official plugin, bundling the use-railway skill and hosted Railway MCP so agents can create projects, deploy services, set environment variables and databases, and check logs and metrics to debug deployments. Needs a Railway account.

19 skills for technical founders and early sellers handling go-to-market alone: answer 5 questions for a founder brief, get a staged GTM roadmap, then work through ICP, positioning, first users, launch, pricing and founder-led sales. Aimed mainly at developer tools and AI products.

Has the agent use the @sveltejs/mcp CLI via npx whenever it creates, edits or analyzes Svelte components or modules: list and fetch Svelte 5 and SvelteKit docs sections, and run svelte-autofixer to catch issues and validate every component before finishing. Official Svelte skill.

Vercel's official plugin: a knowledge graph of the Vercel ecosystem, dozens of skills, expert subagents for deployment and performance, and commands for deploys, env vars and project status, covering Next.js, the AI SDK, storage and CI/CD. Needs Node.js 18+ and Bun; telemetry is opt-out.

QuantConnect's official CLI drives the open-source LEAN engine locally or in the cloud to download data, backtest and optimize quant strategies and deploy them live. Requires a paid-tier QuantConnect organization; strategies in Python or C#; local runs need Docker. Get expert review.

Postman's official MCP server: lets agents manage workspaces, collections, environments and API specs, help with API testing and generate client code from API definitions. The remote version uses OAuth; the local version needs a Postman API key.

Adobe's official plugin that reaches Creative Cloud through a remote MCP: batch photo edits, template-based posters and social graphics, resizing for each platform, highlight clips, and bulk PDFs via InDesign data merge. Adobe says it works only in the Claude desktop app; needs an Adobe account.

Adobe's official Claude Code plugin for redesigning an existing website: crawls the current site, sets a design direction, builds prototypes, then migrates page by page to static HTML, checking performance, SEO and accessibility. Requires the impeccable plugin, Node 22 and Playwright.

Crowdin's official CLI: push source files and pull translations back in place, track progress, manage glossaries and TM, and run machine or AI pre-translation, with JSON output for agents. Needs a Crowdin account (free trial; free for open source) and a token; crowdin init sets up config.

Cross-platform UI automation skills built on Midscene.js visual recognition: control browsers, desktops, Android, iOS and HarmonyOS devices in natural language, and set up Vitest + Midscene E2E tests. Bring your own vision model API key; maintained by the Midscene team.

Hugging Face's official MCP server: lets agents search models, datasets and Spaces on the Hub and call thousands of Gradio AI apps directly. Hosted remotely; sign in with your Hugging Face account or authorize with a token.

Query and manage Microsoft 365 and Azure tenants in natural language via Microsoft Graph: create users and security groups, check devices and Conditional Access policies and view cloud costs. Needs a work account with the right permissions; changes apply immediately.