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.

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.

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.

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.

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.