Tools

Railway's official CLI: deploy with railway up and manage infrastructure config, with token auth for non-interactive CI runs. The installer can set up the Railway skill and MCP for Claude Code, Codex and others in one step. Needs a Railway account.

Turns Strunk's The Elements of Style (1918) into a writing skill so agents write docs, commit messages and error messages clearly and concisely. The full text (about 12k tokens) loads only when needed. By the author of Superpowers.

SEO CLI and MCP server for agents: crawls your site for technical issues, uses Search Console data to rank fixes, and compares before and after. Needs Node.js 22+ and Google sign-in; keyword and competitor research needs paid data (DataForSEO, Semrush or Ahrefs).

Read and write Figma from the terminal with commands or JSX: create frames and components, insert Iconify icons, set layout, and export nodes as JSX or Storybook; can also run as an MCP server. Needs Figma Desktop; version 126+ requires daemon --pipe mode.

Reads an article or document, pulls out the key points and generates an illustration for each, plus an optional cover. Three styles (gradient glass, ticket, vector illustration) and 16:9 or 3:4 ratios for blogs, slides and social posts. Needs a Gemini API key and Python.

Eight workflow skills for designers prototyping with AI: requirements interviews, briefs, information architecture, design tokens, task breakdown, UI in a chosen aesthetic and design review, chained by design-flow. Outputs go to .design in the project. For Claude Code, Cursor or Codex.

Lets agents send and read channel messages and DMs through your own Discord bot, and manage channels, roles, member timeouts and scheduled events, useful for running a community or player support on Discord. Create a bot in the Discord Developer Portal for a token; needs Docker.

Chroma's official MCP: lets agents create and manage collections, add documents, and retrieve them with vector search, full-text search and metadata filters. Connects to in-memory or local persistent stores, self-hosted instances or Chroma Cloud.

Official Sleek skill: lets agents design mobile app screens in Sleek, manage projects and take preview screenshots, then pull the design HTML and implement it in React Native or SwiftUI. Needs a Sleek account and API key; free accounts get one trial run, ongoing use needs a paid Pro plan.

Official FSFE command-line tool that checks every file in a project for copyright and license information per the REUSE spec, adds headers in bulk, downloads license texts and generates an SPDX bill of materials. Needs Python; have legal review the results.

Resend's official MCP: lets agents send and receive email and manage contacts, broadcasts and sending domains. Use the hosted remote server with OAuth sign-in, or run the npm package locally with a Resend API key.

Scores resumes line by line against a role's must-haves, nice-to-haves and dealbreakers, noting strengths, concerns and interview follow-ups, and can tier and rank a batch of applicants. No account needed; treat scores as a first pass and keep hiring decisions human and fair.

130+ office skills for contract review, NDAs, job descriptions, offer letters, invoices and expenses, meeting notes, email, and Excel, PowerPoint and PDF work. Writing skills work as-is; Airtable, Slack and other automations need those services. Legal and finance output needs expert review.

Reviews employment agreements, NDAs, service agreements and other common contracts: flags risky clauses (unlimited liability, unilateral termination, auto-renewal), checks for missing terms and suggests edits to negotiate. US, EU, UK and China law. No account; have a lawyer review.

Drafts a formal offer letter from name, role, start date, pay, employment type and manager, with optional equity, bonus, benefits and background check terms. No account needed; follows US conventions (401(k), at-will), so have HR or legal review it before sending.

Builds a linked three-statement forecast (income statement, balance sheet, cash flow) from 2-3 years of financials and assumptions like growth and gross margin, with base, bull and bear cases, for budgeting and fundraising. Prompt-only; outputs Markdown tables. Have finance review it.

Open-source meeting connector that lets agents join Zoom, Teams or Google Meet as a participant, read the live transcript, chat and attendee list, and speak, e.g. to take meeting notes. Runs locally in Docker (image about 2.3 GB); transcription is local by default.

Postiz's official agent CLI: lets AI schedule posts to 28+ platforms such as X, LinkedIn, Instagram, TikTok and YouTube, upload images and video, and check post and account engagement. Ships with skills and a Claude Code plugin. Needs Node.js and a Postiz account (cloud or self-hosted).

OpenAI's official sales plugin for Codex: meeting prep, call notes into follow-up emails and CRM updates, weekly account priorities, forecast reviews, deal strategy and competitor briefs. Works on pasted material; a template, so swap in connector IDs before using Salesforce or HubSpot.

Todoist's official MCP: lets agents find, create, update and complete tasks and projects and view to-dos by date. Use the hosted remote server with OAuth sign-in, or embed it as a tool library in your own AI app.

Official ElevenLabs skills: text to speech, speech to text, sound effects and music generation, voice changing, vocal isolation, multilingual dubbing and building voice agents. Needs an ElevenLabs API key.

Searches Airbnb listings and fetches details: filter by location, dates, guests, price and property type, and get amenities, house rules, location and direct links. No API key; runs locally via npx and respects robots.txt by default.

Lets agents create, move and scale components in SketchUp, set material colors, read scene info, export models and run Ruby scripts, for quick massing models. No prebuilt package: pack the extension as .rbz, install it in SketchUp and start the server; needs uv.

MCP server for the Lean 4 theorem prover: lets agents read proof goals, diagnostics and definitions and search theorems via LeanSearch and Loogle, helping mathematicians and students with formal proofs. Needs uv and the Lean toolchain; run it from the Lean project root.