Tools

Cartesia's official voice MCP: turn text into natural speech, transcribe recordings, clone voices and localize a voice into other languages from chat, for course narration, audio content and voiceovers. Hosted; sign in with your Cartesia account in the browser. Free tier available.

Free SEO plugin from SearchFit.ai: site SEO audits, technical SEO and broken link checks, content planning and writing briefs, keyword clustering, structured data generation, multilingual localization and AI search visibility analysis. No account needed; just give it a URL or your site's source.

Reviews, rewrites, generates or harmonizes interface copy inside a Figma file, covering buttons, forms, errors, empty states, onboarding, confirmations and consent; edits only the selection, preserves components and Auto Layout, and never invents product facts.

Chatwoot's official CLI: AI can search conversations, reply to customers, add private notes, assign, label, prioritize and resolve, and look up help center articles; a bundled skill sets safety rules for customer-visible replies. Needs a Chatwoot account (cloud or self-hosted) and API key.

PortSwigger's official Burp Suite extension that lets agents read proxy history, send HTTP requests and create Repeater tabs; with Burp Pro it can also read scan results and use Collaborator. Install from the BApp Store; listens on 127.0.0.1:9876 by default.

HubSpot's official CLI for AI agents (beta): find and bulk-update contacts, companies, deals and tickets, log calls and meetings, advance deal stages and route conversations, with an official skill pack. Needs a HubSpot account and browser login; writes hit live data, so try --dry-run first.

Official MCP for LibreTranslate, the open-source machine translation engine: translate text, detect languages and list supported languages. Use libretranslate.com (paid API key) or your own free self-hosted instance so text never leaves your machine or network. Needs Node.js.

Mintlify's official plugin: reference for Mintlify components, docs.json config, navigation and API docs, plus Mintlify docs search and site management, for building and updating product docs and help centers. Needs a Mintlify docs project; management needs browser sign-in.

PagerDuty's official plugin: analyzes your current git diff against the service's past incidents and change events, gives a 0-5 risk score and suggestions before you commit, and can create PagerDuty SRE Agent skills (early access program required). Needs a PagerDuty API token.

Plain's official plugin: look up customers, threads and SLAs in Claude Code, add internal notes, create and update help center articles, and draft broadcast announcements (saved as drafts, never sent). Needs a Plain API key plus curl and jq; not in a marketplace; clone the repo to load it.

Vanta's official plugin: from Claude Code, review control gaps for SOC 2, ISO 27001 and other frameworks, failing tests, vendor risk and policies, and generate fixes for code-level issues. Needs admin access to a paid Vanta account (browser auth); have compliance conclusions reviewed by an expert.

Sentry's official plugin: skills for SDK setup across platforms, production issue debugging, Sentry-aware code review and alert configuration, plus the hosted Sentry MCP to query errors and stack traces. Needs a Sentry account.

Intercom's official support plugin: via a remote MCP, search conversations, analyze support issue trends, look up contacts and companies, build 360-degree customer profiles, and install Messenger. Read-only; needs an Intercom workspace and currently works only in the US region.

DeepL's official Claude Code plugin: uses DeepL's hosted service to translate text and Word, PowerPoint, Excel and PDF files with formatting intact, rephrase and polish, fix grammar and apply glossaries. Needs an eligible DeepL subscription; browser sign-in on first use.

LogRocket's official plugin: when users report problems, agents pull up their session replays, network requests and errors and analyze the cause, so support doesn't have to keep asking for repro steps. Needs Claude Code and a site or app on paid LogRocket (14-day trial); sign in on first use.

Pendo's official product analytics plugin: summarize account activity and feedback before customer meetings, analyze feature adoption, group user feedback into themes and find session replays. Needs a Pendo subscription; authorize via /mcp after install.

Pendo's official plugin: two short rounds of questions capture your goals and brand style, then it generates ready-to-launch in-app guides such as walkthroughs, announcements, reminders, polls and promotions as HTML/CSS/JS. Needs a Pendo account authorized in Claude Code.

Phrase's official plugin for localization managers and reviewers: splits a mixed style guide into separate guides by content type, audience and more, with terminology pulled out on its own; also generates .phrase.yml config for the Phrase CLI for dev teams. Syncing strings needs a Phrase account.

Synthflow's official plugin: connects its AI voice agent platform to create and publish voice agents, place test calls and review call logs, with built-in call QA and pre-launch prompt review skills. Needs a Synthflow account (free trial available) with OAuth sign-in on first use.