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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.

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.

Styles elevated surfaces such as cards, dialogs, popovers and toasts with smooth-shadow-ring utilities instead of pairing a border or ring with a shadow, avoiding the double-edge look. Covers ring and shadow tinting, dark mode and overrides. Requires the shadow-plugin Tailwind plugin.

Webflow's official MCP: manage your site's pages, CMS content and blog posts by chat, and with the MCP Bridge App in the Designer, edit page elements and styles directly. Needs a Webflow account and Node.js 22.3+; first connection asks you to authorize sites.

Alibaba Cloud's official ops MCP: manage ECS, RDS, OSS, VPC and other resources in plain language, view CloudMonitor metrics, and analyze a project and deploy it to ECS. Needs an Alibaba Cloud AccessKey and uv.

Tencent Cloud's official CLI: call any Tencent Cloud API by product and action name to manage resources (e.g. tccli cvm DescribeZones), with multiple profiles, role credentials and JSON or table output for scripting. Needs a SecretId and SecretKey.

Skill for naming products, brands, companies and open-source projects: writes a naming brief, explores metaphors, generates candidates while filtering out generic AI-style names, scores them on a rubric, then checks domain, social handle and package name availability. Good for early-stage startups.

Lokalise's official CLI (lokalise2) covering the Lokalise API v2: upload and download language files and manage keys, translations, screenshots, translation tasks and contributors. Needs a Lokalise account (paid, 14-day free trial) and an API token passed via --token.

Diffs a live page's accessibility violations against a baseline, stashing uncommitted changes by default or comparing with a branch, and reports new, fixed and pre-existing WCAG issues with selectors and fixes. Locates only, no edits. Runs AccessLint's Chrome and CLI tools via npx.

Runs the AccessLint rule engine against a live page and returns a worklist of WCAG 2.2 violations, each with its DOM selector, source file and line when mapped, evidence and a suggested fix. Locates without editing; sets up a debuggable Chrome and runs the CLI via npx.

Lets agents inspect Alibaba Cloud ACK clusters, run kubectl operations, query Prometheus metrics, control-plane and audit logs, and run resource diagnostics and health checks. Maintained by Alibaba Cloud; needs an AccessKey and cluster RBAC permissions.

Jenkins plugin that turns Jenkins itself into an MCP server: agents can list jobs, trigger and rerun builds, page through and search build logs, and view test results and SCM info. Hosted in the official jenkinsci organization; authenticates with a Jenkins API token over Basic auth.

Guides building small always-on WebGL visuals (avatars, ambient orbs, glass and iridescent surfaces) inside product UI: one shared context, a single capped frame loop, cheap fragment shaders, context-loss handling, a mandatory non-WebGL fallback, and React SSR and Server Components pitfalls.

Makes the agent use Tailwind container queries instead of viewport breakpoints for responsive components, migrating sm:/md:/lg: classes to @container variants. Explains when page-level layout should keep viewport breakpoints and lists common review mistakes. Tailwind v3 needs a plugin.

Sonar's official plugin bringing SonarQube checks into the agent coding loop: secrets-scanning hook, issue fixing, quality gates, coverage and dependency risk; with Vortex analysis on, every edit is checked. Needs SonarQube (free Community Build works), the sonar CLI and Docker.

From Twilio Labs: exposes Twilio's public APIs (SMS, voice, phone numbers, Serverless and more) as MCP tools generated from its OpenAPI specs, with filtering by service or tag. Needs a Twilio API key; marked as a proof of concept.

Shapes the agent's own replies rather than your documents: separates what changed from what was verified, cuts invented confidence, leads with the action and keeps load-bearing caveats. Manually invoked and stays on until you say stop; a script can enable it in CLAUDE.md or AGENTS.md.

Neon's official plugin combining the Neon MCP and skills to manage serverless Postgres: projects and branches, object storage, Functions and the AI Gateway. Signs in to Neon via OAuth the first time you use the MCP.

Official MCP (beta) from payments and POS platform Square: lets agents query and manage transactions, orders, refunds, invoices, inventory and customers for reconciliation and reporting. Hosted, with Square OAuth sign-in, nothing to install; confirm refunds and other writes manually.

Analyzes your codebase and generates a render.yaml Blueprint, or creates services directly through the Render MCP, to deploy apps to Render. Maintained by Render and included in OpenAI's curated skills. Needs a Render account and code pushed to GitHub, GitLab or Bitbucket.

PostHog's official plugin with a built-in MCP and 30+ skills: query product analytics, feature flags, A/B experiments, dashboards and error tracking from chat, and optionally send Claude Code sessions to LLM Analytics. Needs OAuth sign-in with a PostHog account.

Connects to GeoServer's REST API so agents can manage workspaces, data stores, layers and styles, run CQL spatial queries, and access features and render maps via WMS/WFS, for publishing and maintaining map services. Needs a running GeoServer with an admin account, Python 3.10+ and uv.

Builds animations out of text characters: brightness-ramp mapping with cell aspect correction, generative ASCII fields, image, video and Three.js scene to ASCII conversion, and terminal intros or loaders, rendered with <pre>, canvas or ANSI output.