Tools

Lets agents run the CodeRabbit CLI to review local changes, listing bugs and security issues by severity, and fix unresolved CodeRabbit comments on a PR after you confirm each one. Maintained by CodeRabbit; needs the CLI installed and signed in. Free tier available.

Compiles AI-written OpenSCAD code or dimension parameters into editable SCAD and STL models, renders previews from four angles and can export 3MF. Good for parametric parts and 3D printing. Needs OpenSCAD and Python 3.11+ locally; clone the repo and run with uv. No API key.

Posit's official R package connecting R to Claude Code and other agents: register your own R functions as tools and run them in your open R session, using its data. Out of the box it only switches sessions; add the btw package for docs lookup and data inspection tools. Requires R.

MongoDB's official plugin: runs the MongoDB MCP locally via npx and adds skills for query generation, index tuning, schema design, and full-text and vector search. Connects to self-hosted or Atlas databases with a connection string.

MongoDB's official skill library covering document model design, driver connection setup, query optimization, natural-language query generation, Atlas full-text and vector search, and stream processing. Works alongside the MongoDB MCP Server.

KiCad assistant maintained by hardware maker Seeed Studio: analyzes schematics and PCBs, traces connections pin by pin, runs ERC/DRC headlessly, generates device trees and hardware test code, and downloads footprints. Needs KiCad 8+ (9 or 10 recommended) and Python.

HeyGen's official CLI, built for agents like Claude Code and Codex: generate avatar presenter videos from a prompt or template, translate and dub videos, and synthesize speech, with JSON output. Good for batch training and product videos. Needs a HeyGen API key (usage-billed) or a Pro/Max plan.

Miro's official plugin with the Miro remote MCP and three skills: draw codebase explanations on a board, run visual code reviews on the board, and turn board docs, diagrams and prototypes into development specs. Needs OAuth with a Miro account.

Slack's official plugin: connects the Slack-hosted MCP to search messages and files, send or schedule messages, and read and write canvases. Includes commands for channel summaries and standup reports, plus skills for building Slack apps. Requires workspace admin approval.

Learning Commons' official remote MCP for its K-12 education knowledge graph: look up US state standards by code, break them into teachable skills, and trace math learning progressions to align lessons and quizzes. Needs a Learning Commons API key; mostly US standards, early access.

Official skills from US broker Alpaca: teach agents to backtest, place and check paper trades, plus developer guides for Broker API account opening, funding and reconciliation. Needs an Alpaca API key (paper trading uses no real money) and the Alpaca CLI; results need professional review.

Lets AI do parametric cloud CAD through the Onshape REST API: sketches, extrudes and revolves, assembly mates, interference checks, variable tables, and STEP/STL export. Needs an Onshape account with API access and secret keys; clone the repo and install with Python 3.10+.

Applies a Swiss International Style design system with Tailwind CSS: a 12-column grid on an 8px base, IBM Plex Sans with light headings, a stone palette, hierarchy through opacity rather than hue, a single accent color, body text capped at 60ch, mobile-first layouts and dark mode.

Canva's official plugin: through the Canva MCP server, edit designs, revise them from review feedback, generate in bulk from brand templates, resize designs for each social platform, and check consistency against your brand kit. Needs a Canva account; bulk generation needs an Enterprise plan.

Microsoft Translator's translation quality tool: GPT scores each sentence using MQM error categories or a direct score; --list_mqm_errors shows error types and severity. Needs line-aligned source and target files, Python and an OpenAI or Azure OpenAI key (paid); a translator should still review.

Searches ZIM-format knowledge bases such as Wikipedia, Wiktionary and Stack Exchange offline: full-text search, read articles by section and follow links, even with no internet. Download .zim files from Kiwix first (hundreds of MB to tens of GB) into ~/zim-files, and install uv.

Official ChatPPT MCP from YOO-AI: generates slide decks from a topic, text or document, lets you change templates, colors, fonts and animations, writes speaker notes and downloads pptx. Closed-source cloud service; needs a yoo-ai.com API key; personal tokens are test-only with limited calls.

Connects AI to Autodesk Fusion 360 with 90+ tools for sketches, extrude, revolve and loft, chamfers and shells, booleans, sheet metal and patterns, to automate part modeling. Needs Fusion 360 with the repo's add-in copied into its AddIns folder and started, plus uv. Beta.

Styles elevated surfaces such as cards, dialogs, popovers and toasts with smooth-shadow-ring utilities instead of pairing a border or ring with a shadow, avoiding the double-edge look. Covers ring and shadow tinting, dark mode and overrides. Requires the shadow-plugin Tailwind plugin.

Webflow's official MCP: manage your site's pages, CMS content and blog posts by chat, and with the MCP Bridge App in the Designer, edit page elements and styles directly. Needs a Webflow account and Node.js 22.3+; first connection asks you to authorize sites.

Official BibiGPT skill: hand agents YouTube, Bilibili, podcast or local audio and video to get summaries, timestamped transcripts, chapter notes and mind maps. Needs a BibiGPT account (free tier has daily limits) plus its desktop app (with the bibi CLI) or an API key.

Official Black Forest Labs skills: teach agents to write strong FLUX image prompts (typography, exact color values, multi-reference editing) and call the BFL API to generate images, FLUX 3 short videos with sound, and product ads. Prompting needs no API; generation needs a BFL API key.

Skill for naming products, brands, companies and open-source projects: writes a naming brief, explores metaphors, generates candidates while filtering out generic AI-style names, scores them on a rubric, then checks domain, social handle and package name availability. Good for early-stage startups.

Connects to the St. Louis Fed's FRED database: search and pull 800,000+ macroeconomic time series (GDP, unemployment, inflation, interest rates) with built-in year-over-year and period-over-period changes. For macro research, investing and teaching. Needs a free FRED API key and Node.js.