Tools

Spotify's official plugin: agents script and voice content such as morning briefings, meeting recaps or article explainers into audio episodes with cover art and a timeline, saved to Spotify. Needs the save-to-spotify CLI and sign-in; voices can use free local Kokoro.

Official MCP from Massive (formerly Polygon.io): three tools (search, call and SQL query) cover market and fundamentals data for US stocks, options, forex, crypto and futures, with built-in option Greeks and return calculations. Needs an API key; still experimental.

Official Databricks skills guiding agents to build Lakeflow pipelines and jobs, Apps, Lakebase, Vector Search, Model Serving and AI/BI dashboards on the lakehouse. Needs the Databricks CLI.

Official Databricks plugin with skills for the CLI and auth, Genie data queries, Apps, Lakebase, Lakeflow jobs and pipelines, Model Serving and DABs deployment, plus hooks for prompt routing, session context and auth failure hints. Needs a Databricks account.

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.

Financial data MCP built on open-source AKShare: quotes and financials for China A-shares, Hong Kong and US stocks, A-share limit-up pools, top trader lists and fund flows, plus financial news and crypto prices. Free, no token; needs uv. Trading suggestions are for reference only.

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.

Official Oracle NetSuite plugin for the AI Connector: has AI use standard reports and saved searches first, applies debit/credit, multi-subsidiary consolidation and currency rules, and safety-checks SuiteQL to avoid reporting errors. Needs NetSuite with AI Connector; finance should verify.

59 clinical research skills from a radiologist at Korea's Asan Medical Center: study design and sample size, de-identification, statistical figures, 49 reporting guidelines, risk-of-bias checks, citation verification and reviewer replies. Literature APIs need no key. Medical review required.

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.

Tableau's official MCP: lets agents query published data sources, search workbooks and views and fetch view images. Use the hosted server for Tableau Cloud with OAuth, or run locally with a personal access token for Tableau Server or Cloud.

Mapbox's official MCP: geocoding, POI search, driving, walking and cycling directions, travel-time matrices, multi-stop route optimization, isochrones and map rendering, plus offline distance and area calculations. Needs a Mapbox access token; an official hosted endpoint is available.

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.

Apache Doris's official MCP: gives agents read-only access to explore table metadata, run and explain SQL, diagnose slow queries, and check cluster status, load jobs and data governance info. Needs Python 3.12+ and Doris 2.0 or later.

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.

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.

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.

Official Readwise skills: triage your Reader queue, skim feeds, quiz you on what you just read, and draft book reviews and reading recaps from your highlights. Needs a Readwise subscription (30-day free trial) and the Readwise MCP or CLI installed first.

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.

Detects 55 AI-writing patterns and rewrites text in one of five voices (casual, professional, technical, warm, blunt), with an optional 0-100 AI-tell score. Offers detect, rewrite and in-place Markdown edit modes and never invents facts. Pure Markdown, no dependencies or network calls.

Lets agents search Wikipedia and read full articles, summaries, specific sections and related articles, useful for lesson prep, homework help and fact-checking. English Wikipedia by default; pass --language to use another edition. No account; needs uv (Python).

Rewrites prose to remove 41 AI-writing patterns, from significance inflation and promotional tone to em dashes and chatbot artifacts, using a draft, audit, final loop that never invents facts. Can match a writing sample, edit files in place, or audit a whole docs folder for slop.