Tools

Third-party LSP plugin marketplace with 30+ language server plugins, including TypeScript, Python, Rust, Go, Java, C/C++, Vue, Svelte, Elixir and Haskell, covering more languages than the official set. Requires Claude Code 2.1.50+; install the language servers yourself.

Appium's official MCP server: lets agents start sessions on Android and iOS emulators and real devices, locate elements, tap, type and take screenshots, and generate Java/TestNG test code. Needs the Android SDK or Xcode.

Official Firebase skills: CLI and project setup, Authentication, Firestore, Hosting and App Hosting, Data Connect, Remote Config, Crashlytics, AI Logic, and writing and auditing security rules. Most use the Firebase CLI and need a Firebase project.

Official Firebase skill: install and sign in to the Firebase CLI, create and switch projects, download app config files such as google-services.json, and set up the other Firebase skills for Auth, Firestore, Hosting and more.

Notion's official Claude Code plugin: bundles Notion's hosted MCP with four Cookbook skills (knowledge capture, meeting prep, research write-ups, spec to implementation) and slash commands for searching, creating pages, querying databases and creating tasks. OAuth sign-in.

Google Maps for agents: place search and details, forward and reverse geocoding, routes, distance matrices, multi-stop optimization, weather and static maps, plus trip planning and local SEO ranking skills. Needs Node.js and a billing-enabled Google Maps Platform API key; calls may cost money.

Open-source European e-invoicing tool whose CLI validates, extracts and creates ZUGFeRD, Factur-X and XRechnung invoices (PDF or XML) and renders XML invoices as readable HTML or PDF, for EU invoicing compliance. Needs Java; download the Mustang-CLI jar from the project site.

Official Tavily skills: let agents search the web, extract page content, discover site URLs, crawl in bulk and run cited deep research through the Tavily CLI (tvly). Install the CLI first; search and extract have a limited no-login tier, other features need sign-in or an API key.

Lets agents work with Salesforce orgs authorized on your machine: SOQL queries, metadata deploy and retrieve, Apex test runs and permission set assignment, plus toolsets for LWC development. Maintained by Salesforce; authorize your org with the Salesforce CLI first.

Microsoft Teams MCP open-sourced by Inditex: read messages in a set channel, start threads, reply and @mention members, and list members. Requires an Azure app registration and a Teams bot (usually with IT admin help); runs via Docker or Python 3.12 with uv.

Astronomer's official data engineering plugin: write Airflow DAGs to best practices, debug pipeline failures, trace data lineage, profile warehouse tables and migrate from Airflow 2 to 3, with a built-in Airflow MCP server and session hooks.

Job search plugin: import your resume and preferences, then it finds matching roles, tailors your resume to each, writes cover letters and can fill applications on Greenhouse, Lever and Workday. Needs the Claude in Chrome extension.

Research guardrails for PhD students: reproduce arXiv papers, debug training anomalies with evidence, compare runs at matched epochs, check paper-code consistency, verify BibTeX, find literature gaps and predict reviewer comments. No MCP or extra dependencies; mostly for ML research.

Zapier's official hosted MCP: sign in with your Zapier account via OAuth and let agents run actions in 9,000+ apps to send messages, look up data, create tasks and trigger workflows. Each successful call uses 2 Zapier tasks.

Zapier's official plugin: connects 9,000+ apps through the hosted Zapier MCP so you can send email, book meetings, update sheets, create tickets and trigger workflows in plain language. Includes onboarding and health-check skills. Needs a Zapier account.

Read and write Airtable bases: view table schemas, search, create and update records and add comments, handy for sign-up lists, project tracking, clients and content pipelines. Needs an Airtable account with a personal access token, and Node.js.

Manages Outlook mail, calendar, folders and inbox rules through Microsoft Graph, uploads, searches and shares OneDrive files, and can trigger Power Automate flows. Register an Azure app for a client ID and secret, clone and run it with Node.js, and sign in via the auth server on first use.

Lets agents manage Trello boards, lists, cards, checklists, comments and attachments, switch between boards and workspaces, and handle API rate limits automatically; useful for admin work, event planning and project tracking. Needs a Trello API key and token, plus Node.js.

Two skills for the MCM/ICM and China's CUMCM math modeling contests: solver breaks down problems, picks models from a 95+ scenario decision matrix and gives Python or MATLAB templates; paper coaches abstracts, model validation and formatting from winning papers. Needs Python or MATLAB.

monday.com's official MCP: lets agents read and write boards, items, groups and columns, create forms, and call the full API through a dynamic GraphQL tool. The hosted server with OAuth is recommended; running locally needs an API token.

Install the QGIS MCP plugin from the QGIS plugin repository and agents get 125 tools to manage layers, edit features, run processing algorithms, style maps, build layouts and atlases, and run SQL across layers; supports QGIS 3.28 to 4.x. Needs QGIS and uv; no repo download required.

Official FinLab quant skill: lets agents use FinLab data (mainly Taiwan stocks, plus US, Japan, Korea and Hong Kong) to write stock-picking strategies, run backtests and analyze factors. Needs a FinLab account (free tier has a daily data cap), Python 3.10+ and uv. Not investment advice.

Lets agents run local ComfyUI workflows to generate images, audio and video, regenerate from earlier results with new parameters, check the queue and switch models. Install and start ComfyUI, then clone this repo and run the server with Python (port 9000 by default).

Connects to self-hosted or managed Nextcloud so agents can manage files, calendars, contacts, notes, Deck boards and mail, and read PDF and Word content (OCR for scans is opt-in); suits teams that value data ownership. Needs a Nextcloud account with an app password, and uv.