Tools

Official from LINE: connects to a LINE Official Account through the Messaging API to push or broadcast text and Flex messages, manage rich menus, and look up followers and user profiles. Needs a channel access token; currently in preview.

Unbabel's machine-translation quality metric: comet-score rates translations per sentence and overall, XCOMET marks error spans and severity, and CometKiwi works without a reference. Good for spot-checking MT. Needs Python 3.8+; models download from Hugging Face, some need a license; GPU helps.

Enter a URL and get a single-page SEO audit report in HTML: checks title and meta description, H1, robots, sitemap, structured data and more, and lists priority fixes. Needs local Python; the full audit also needs a Google PageSpeed API key.

Shopify's official CLI: scaffold, develop locally and deploy Shopify apps, extensions, Functions and themes, and build and host Hydrogen custom storefronts. Requires Node.js.

Skill pack for YouTube creators with 14 subcommands: channel audits, video SEO, retention-focused scripts, hooks, thumbnail briefs, content calendars, and Shorts and cross-platform repurposing. Works with data you provide; add a YouTube API key or DataForSEO for live data.

dbt Labs' official skills: write and edit dbt models, add unit tests and docs, set up the MetricFlow semantic layer, debug failed jobs, and handle dbt version upgrades and cross-platform migrations. Most skills need dbt installed and an existing project.

dbt Labs' official plugin marketplace with dbt and dbt-migration plugins: write models and unit tests, build semantic-layer metrics, govern with dbt Mesh, debug failed jobs, and handle version upgrades and cross-platform migrations. Most skills need an existing dbt project.

A research plugin for Claude Code: commands like /omp:survey, /omp:experiment and /omp:write chain literature review, topic selection, experiments, writing and self-review, with 5 specialized agents and 34 research skills that remember project progress across sessions. Experiments lean toward ML.

21 English writing rules (12 from The Elements of Style, Orwell, Pinker and other classics, 9 from observed LLM habits) for clearer, leaner papers, grant proposals, design docs and documentation. Expository English only; not for fiction or marketing copy.

Open-source marketing toolkit with 78 skills for SEO audits, blog and landing-page copy, email sequences, social posting, ad campaigns and competitor analysis. Basic use needs no keys; pulling data from Semrush, GA4 or HubSpot, or publishing automatically, needs the matching API keys.

YouTube channel assistant: lets agents upload videos, edit titles, descriptions and thumbnails, and manage playlists, captions, comments and live streams; also works as a CLI. Requires enabling the YouTube Data API in Google Cloud and creating OAuth credentials; daily API quotas apply.

The five-agent PaperOrchestra pipeline (outline, figures, literature review, section writing, polishing) as skills: turns research ideas, experiment logs and a conference template into a LaTeX paper and checks citations via Semantic Scholar. Needs Python; verify the draft yourself.

Helps agents write geospatial SQL for PostGIS, DuckDB, BigQuery and Snowflake: inspect schemas and keep query costs in check, then render results as interactive maps to review and correct. Needs Python and your own database or warehouse; maps use Dekart, which can run locally in Docker.

One server for Google Docs, Sheets, Drive, Gmail and Calendar: draft and format documents, handle comments, organize sheets and charts, triage email and schedule events. Create an OAuth client in Google Cloud and run the auth command once; needs Node.js.

Official SonarSource server: connects to SonarQube Server or Cloud so agents can query code issues, quality gates, security hotspots and dependency risks, and analyze file contents directly. Needs a SonarQube token; Docker is the recommended way to run it.

Official Firecrawl skill: drives the Firecrawl CLI to search, scrape, map site URLs, batch-crawl, interact with pages and monitor changes, returning LLM-ready Markdown. Search and scrape have a rate-limited free tier; crawling and monitoring need an account or self-hosted instance.

Firecrawl's official CLI: scrape, search, map and crawl sites and interact with pages in a browser from the terminal, with Markdown output; can also install companion skills for coding agents. Needs a Firecrawl account or API key, or point it at a self-hosted instance.

Manage Postgres databases on Neon in natural language: create projects and branches, run SQL, and use branches for migrations and query tuning. Remote server hosted by Neon with OAuth or API key auth and a read-only mode; Neon recommends it for development only.

14 social media skills: audience and content pillars, posting calendars, platform-specific posts, threads, carousel scripts and captions, and analytics on what drives follower growth. For LinkedIn, X, Threads, Instagram and more; connect the BlackTwist MCP to schedule posts directly.

Generates flowcharts, sequence diagrams, class diagrams and other charts from Mermaid syntax with configurable theme and background, exporting SVG or PNG files or a mermaid.ink share link. Validates syntax so the model can fix errors over several turns.

Redis's official MCP server: read and write strings, hashes, lists, streams, JSON and other data structures in natural language, with vector indexing and search and pub/sub. Bring your own Redis instance; runs via uvx.

Lets agents deploy a local folder or file contents straight to Google Cloud Run, list services and view their details and logs, and list or create GCP projects. Maintained by Google; sign in with gcloud and set up Application Default Credentials first.

Shopify's official agent plugin: searches Shopify docs and API schemas, validates GraphQL, Liquid and UI extension code, and can manage stores through the Shopify CLI. Sends usage telemetry by default; it can be turned off.

Official Docker skills: containerize projects, optimize and harden Dockerfile builds, orchestrate with Compose, use Docker Sandboxes and Docker Agent, with confirmation guardrails before deletes and other destructive actions.