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From Dagger: gives every coding agent an isolated container and Git branch so several agents can work in parallel, and you can view command logs, take over the terminal or discard results anytime. Needs Docker and Git locally; still experimental.

Fast async link checker written in Rust that scans websites and Markdown, HTML and other files for broken links and email addresses, with JSON output, config files and an official GitHub Action, often wired into docs CI.

Hugging Face's official hf CLI: search, download and upload models and datasets, manage repos and storage buckets, and run jobs on Hugging Face's cloud. Output adapts automatically for agents, and hf skills add installs companion skills. Uploads and similar actions need a login.

Local FFmpeg video editing skill: ask in plain language to cut and join clips, remove silence, reframe to vertical, add subtitles, normalize loudness and export to TikTok, Reels or YouTube specs, fully offline with no API key. Needs ffmpeg and Python 3; also usable as an MCP.

Lets agents control DaVinci Resolve via its built-in scripting API: edit timelines, organize the media pool, color grade, work with Fusion and render. Requires DaVinci Resolve Studio; the free version works only up to 21.0.x through the in-app scripting bridge.

Fast Rust toolkit for tabular data with nearly 80 subcommands for querying, stats, cleaning, validation, joins and format conversion on CSV and Excel. Also offers an MCP server and a Claude Cowork plugin.

Microsoft's official Azure MCP: one server covering dozens of Azure services, including Storage, Cosmos DB, AKS, App Service, Key Vault and Monitor, so agents can query and manage cloud resources. Sign in to Azure first.

NVIDIA's official, verified catalog of hundreds of skills covering CUDA-X libraries, NeMo training, NIM and Dynamo inference, RAG blueprints, Jetson, Omniverse and robotics simulation. The install adds only nvidia-skill-finder, which recommends other skills and installs them once you confirm.

NVIDIA's official plugin that finds and installs the right skills from NVIDIA's catalog for your task, spanning CUDA acceleration, NIM inference, NeMo training, RAG blueprints, Omniverse simulation and robotics. Listed in both the Claude and Codex official marketplaces.

Marketing and sales workflows open-sourced by Single Brain: expert-panel content scoring, cold email optimization, turning podcasts and long videos into shorts and social posts, YouTube competitor analysis, decks and financial scenarios, mostly with Python scripts. Some need Gemini or YouTube keys.

Community plugin marketplace bundling hundreds of subagents, slash commands, hooks and skills by category, installable individually or all at once, with the buildwithclaude.com site for browsing community plugins and MCP servers.

Grafana's official MCP: search and edit dashboards, query Prometheus, Loki and other data sources, and view alerts, incidents and OnCall schedules to help with troubleshooting. Needs a Grafana URL and a service account token.

Two skills for FireRed's open-source conversational video editor OpenStoryline: the agent installs and launches it, then edits video from natural language, finding footage, writing script and voiceover, syncing music and revising. Needs Python 3.11+, ffmpeg (macOS/Linux/WSL) and LLM and vision keys.

Removes AI tone from writing: fiction gets narrative structure fixed before discourse and wording, while release notes, postmortems, tickets, tech articles and long-form features each have their own rules. Modes: write, diagnose, minimal edit or full rewrite; also calibrated for Chinese.

11 skills covering the full AI short-drama and motion-comic pipeline: source analysis, episode scripts, visual design, storyboards, image and video prompts, production, editing and review. Image and video generation needs paid API keys (e.g. Seedance, MiniMax); requires Python 3.9+ and ffmpeg.

Music source separation CLI that splits songs into vocals, drums, bass and other stems; --two-stems extracts just vocals and can output MP3. The official version maintained by the original author after leaving Meta; no new features are planned.

PostgreSQL MCP server with database health checks, index tuning, EXPLAIN plan analysis and hypothetical index simulation, plus safe read-only SQL execution in restricted mode.

Kubernetes' official CLI for inspecting and managing Pods, Deployments, Services and other cluster resources, reading logs, executing commands in containers and applying YAML manifests. Requires a working kubeconfig for cluster access.

AWS's official skills (Agent Toolkit for AWS) covering IAM, CDK/CloudFormation, serverless, containers, observability, cost management and Bedrock, plus service-specific skills. Running AWS operations requires locally configured credentials.

AWS's generally available agent toolkit and plugin marketplace: plugins such as aws-core, aws-agents and aws-data-analytics bundle the AWS MCP Server with evaluated skills for IaC, serverless, containers and billing. Calling AWS APIs requires configured credentials.

Framework for writing data transformation models in SQL or Python, with a Terraform-like plan/apply flow, virtual data environments, unit tests and table diffs, and transpilation across 10+ SQL dialects. A Linux Foundation project and an alternative to dbt.

Connects agents to Ableton Live for music production: create MIDI and audio tracks, write notes, load instruments and effects, arrange whole songs and control playback. Requires installing the companion Remote Script in Live; anonymous telemetry is on by default.

Search and download arXiv papers and read the authors' LaTeX source section by section, export BibTeX and follow topic updates, with papers cached locally. No API key needed.

Cloudflare's official overview skill: recommends platform products such as Workers, R2, D1, Durable Objects, Containers and AI for your needs, then loads the matching sub-skills and docs. The same repo has dedicated skills for Wrangler, the Agents SDK and more.