Tools

Model by conversation in open-source FreeCAD: create primitives and sketches, extrude and chamfer, run Booleans, export STEP/STL, and write and debug macros. Install and start the Robust MCP Bridge workbench from the FreeCAD Addon Manager, then pip-install the server (Python 3.11).

Firecrawl's official plugin: brings the Firecrawl CLI in as skills so Claude Code can search the web, scrape pages to Markdown, map site links or crawl whole sites. Install firecrawl-cli and set an API key first; self-hosting supported.

Stape's Google Tag Manager MCP: lets agents view, create and edit tags, triggers and variables in GTM containers, for tracking and conversion setup. Hosted version (routes data via Stape's servers) needs just Google sign-in on first use; or run locally with a service account key.

Official MCP from Razorpay, the Indian payments platform: query payments, orders, refunds, settlements and reconciliation reports, and create payment links and QR codes. The hosted remote server is recommended; generate a merchant token from your API key and secret.

MinerU's official MCP: parses PDF, Word, PowerPoint and images into Markdown via the mineru.net cloud API, keeping tables and formulas. The keyless Flash mode works out of the box; add a token for higher quotas and more formats.

Official Alpha Vantage MCP: exposes its API as tools for stock and options quotes, fundamentals, news sentiment, forex, crypto, commodities, economic indicators and dozens of technical indicators. Needs a free API key; a remote OAuth server is also available.

Comet's official Opik MCP: query traces and spans of LLM apps in chat, log scores and comments, and manage datasets, experiments and prompt versions. Works with Opik Cloud (API key or browser sign-in) and self-hosted open-source Opik.

Official Firecrawl skill that scrapes competitors' pricing, feature and changelog pages, extracts plan prices, feature lists and recent changes, and produces a sourced competitive-intel report with change alerts, easy to rerun on a schedule. Needs a Firecrawl API key and its CLI or MCP.

Official Firecrawl skill: crawls a site and its key pages, checks titles, descriptions, heading structure, internal links and keyword opportunities, compares top-ranking competitors, and outputs a prioritized SEO audit. Needs a Firecrawl API key (free: 1,000 credits/month) and its CLI.

16 official Firecrawl skills that turn web scraping into deliverables: competitor pricing and feature tracking, market and industry reports, pre-meeting account research, lead lists, SEO audits and literature reviews. Needs a Firecrawl API key plus its CLI or MCP.

hledger workflow that files bank and card CSV exports in a set folder layout and applies rules to build journals in one step, rebuilding when rules change. Needs hledger; download from Releases (macOS and Linux only). Have an accountant check the books.

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.

Pulls Yahoo Finance data for free via yfinance: company profiles, financials, analyst estimates, news, option chains, fund holdings and sector rankings, plus candlestick charts. No API key, just uv. Data may be delayed; have investment conclusions reviewed by a professional.

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.

Wraps Shapely, GeoPandas, PyProj, Rasterio, PySAL and other GIS libraries so agents can run geometry and overlay analysis, reproject coordinates, process rasters (e.g. NDVI), do spatial statistics and make maps, and fetch boundaries, land cover and satellite imagery. Needs Python 3.10+ and uv.

PayPal's official agent toolkit, including the @paypal/mcp server: create and send invoices, handle orders and refunds, manage disputes, subscriptions, product catalogs and shipment tracking, and look up transactions. Needs a PayPal developer access token; defaults to the sandbox.

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.

Official CLI for Mercury, the business banking platform for startups: check balances and transactions, download statements, manage recipients, customers, invoices and cards, and send payments. JSON/YAML output helps agents reconcile. Needs a Mercury login or API token; confirm payments by hand.

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+.

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.

Official Spark mail skills: agents read mail, calendar, contacts and teams, with flows for morning briefs, inbox zero, meeting prep, follow-ups and weekly reports. Needs Spark desktop on macOS or Windows with the CLI enabled; set read-only, organize or send access per account.

Gives agents 250+ Financial Modeling Prep endpoints: financials, valuation and technical indicators, insider and congressional trades, SEC filings and earnings calendars. Needs an FMP API key (free tier); connect to the author's hosted URL or run locally on Node.js 25.3+. Results need expert review.

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.

Official plugin for Clay, the GTM data platform: search target companies and contacts, find work emails and other details in bulk, query and analyze Clay tables, and draft sales outreach sequences. Needs a Clay account; run the bundled setup skill to install the clay CLI and sign in.