Tools

Firecrawl's official plugin: brings the Firecrawl CLI in as skills so Claude Code can search the web, scrape pages to Markdown, map site links or crawl whole sites. Install firecrawl-cli and set an API key first; self-hosting supported.

i18next's official CLI: finds hard-coded strings in JS/TS code, extracts translation keys, checks which locales are missing entries and syncs locale files; init --yes sets up non-interactively, and a bundled agent skill guides app internationalization. Needs a Node.js project using i18next.

Official ComfyUI plugin for Claude Code: installs the hosted Comfy Cloud MCP plus slash commands to generate or edit images, video, audio and 3D models, remove backgrounds and upscale. Needs a Comfy account; model search is free, generation needs a Comfy Cloud subscription after 5 free runs.

Official ComfyUI plugin that connects the hosted Comfy Cloud MCP: slash commands to generate images, video, audio and 3D, remove backgrounds, upscale, and search models, nodes and workflow templates. Needs a Comfy account and sign-in via /mcp; 5 free runs, then a paid plan.

Stape's Google Tag Manager MCP: lets agents view, create and edit tags, triggers and variables in GTM containers, for tracking and conversion setup. Hosted version (routes data via Stape's servers) needs just Google sign-in on first use; or run locally with a service account key.

Nulab's official Backlog MCP: lets agents manage Backlog projects, issues and comments, milestones and wikis, and view Git repositories and pull requests. Needs your Backlog space URL and a personal API key, plus Node.js or Docker.

Searches Unsplash's free high-res photos by keyword, color and orientation to find images for posters, articles, slides and designs. Needs a free Access Key from the Unsplash developer portal; clone the repo and run the Python server with uv.

MinerU's official MCP: parses PDF, Word, PowerPoint and images into Markdown via the mineru.net cloud API, keeping tables and formulas. The keyless Flash mode works out of the box; add a token for higher quotas and more formats.

Comet's official Opik MCP: query traces and spans of LLM apps in chat, log scores and comments, and manage datasets, experiments and prompt versions. Works with Opik Cloud (API key or browser sign-in) and self-hosted open-source Opik.

Diagnoses page-load and interaction performance from Chrome DevTools traces, network evidence and source code, covering Core Web Vitals, LCP and layout shifts. Separates measured values from estimates and hypotheses, and re-measures fixes under equivalent conditions.

Official Firecrawl skill that scrapes competitors' pricing, feature and changelog pages, extracts plan prices, feature lists and recent changes, and produces a sourced competitive-intel report with change alerts, easy to rerun on a schedule. Needs a Firecrawl API key and its CLI or MCP.

Official Firecrawl skill: crawls a site and its key pages, checks titles, descriptions, heading structure, internal links and keyword opportunities, compares top-ranking competitors, and outputs a prioritized SEO audit. Needs a Firecrawl API key (free: 1,000 credits/month) and its CLI.

16 official Firecrawl skills that turn web scraping into deliverables: competitor pricing and feature tracking, market and industry reports, pre-meeting account research, lead lists, SEO audits and literature reviews. Needs a Firecrawl API key plus its CLI or MCP.

Lets agents run the CodeRabbit CLI to review local changes, listing bugs and security issues by severity, and fix unresolved CodeRabbit comments on a PR after you confirm each one. Maintained by CodeRabbit; needs the CLI installed and signed in. Free tier available.

SE Ranking's official skills that turn SEO data into deliverables: content briefs, keyword clustering, AI search visibility, technical site audits, backlink gap and competitor analysis, 90-day SEO plans. Most need SE Ranking API access (OAuth sign-in); Google data skills need Python.

MongoDB's official plugin: runs the MongoDB MCP locally via npx and adds skills for query generation, index tuning, schema design, and full-text and vector search. Connects to self-hosted or Atlas databases with a connection string.

MongoDB's official skill library covering document model design, driver connection setup, query optimization, natural-language query generation, Atlas full-text and vector search, and stream processing. Works alongside the MongoDB MCP Server.

HeyGen's official CLI, built for agents like Claude Code and Codex: generate avatar presenter videos from a prompt or template, translate and dub videos, and synthesize speech, with JSON output. Good for batch training and product videos. Needs a HeyGen API key (usage-billed) or a Pro/Max plan.

Official Alibaba Cloud MCP: query logs, metrics and traces from SLS, CloudMonitor and ARMS, with time-series comparison and natural-language-to-SQL. Needs an AccessKey; some AI tools are billed per call. The install uses the Python version (main branch is now a Go binary).

Miro's official plugin with the Miro remote MCP and three skills: draw codebase explanations on a board, run visual code reviews on the board, and turn board docs, diagrams and prototypes into development specs. Needs OAuth with a Miro account.

Official skills from US broker Alpaca: teach agents to backtest, place and check paper trades, plus developer guides for Broker API account opening, funding and reconciliation. Needs an Alpaca API key (paper trading uses no real money) and the Alpaca CLI; results need professional review.

Slack's official plugin: connects the Slack-hosted MCP to search messages and files, send or schedule messages, and read and write canvases. Includes commands for channel summaries and standup reports, plus skills for building Slack apps. Requires workspace admin approval.

Community-run local Salesforce MCP: query, summarize and update accounts, opportunities and cases in plain language and search across objects; admins can also create custom objects and fields and edit Apex. Needs Salesforce login and security token (or a Connected App) and Node.js 22+.

Canva's official plugin: through the Canva MCP server, edit designs, revise them from review feedback, generate in bulk from brand templates, resize designs for each social platform, and check consistency against your brand kit. Needs a Canva account; bulk generation needs an Enterprise plan.