# Tools > Every listed resource, editors’ picks first. The filters below can be combined. - Search: append `?q=` to the URL. Separate several keywords with spaces; all of them must match. Matches name, repository, tags, professions, description and README. - Filter by type: append `?type=` to the URL. - Filter by profession: append `?profession=` to the URL. Separate several ids with commas; a resource matches when it suits any of them. Ids are listed at https://hebbmind.com/api/v1/professions - Filter by tag: append `?tag=` to the URL. Separate several tags with commas; a resource must carry all of them. Tags are listed at https://hebbmind.com/api/v1/tags Resources for QA or ML / AI or Data engineering or Data analysis or Writing / Content: 619 items. > - QA: Functional testing, test automation and quality assurance. > - ML / AI: Model training, evaluation and LLM application development. > - Data engineering: Data pipelines, warehouse modeling, ETL and data quality. > - Data analysis: Querying, statistical analysis, reporting and visualization. > - Writing / Content: Writing and editing articles, books, technical docs and social content. - [aria2](https://hebbmind.com/ko/cli/aria2.md): [CLI] Lightweight multi-protocol command-line downloader that fetches in parallel segments from multiple sources over HTTP(S), FTP, SFTP, BitTorrent and Metalink. Resumes downloads, reads URLs in bulk from text files and offers a JSON-RPC interface for scripts or agents. - [curl](https://hebbmind.com/ko/cli/curl.md): [CLI] Command-line tool for transferring data by URL over 20+ protocols including HTTP(S), FTP, SFTP, WebSocket and MQTT; a staple for agents calling APIs and downloading files. Preinstalled on macOS and most Linux distributions. - [Agent Teams](https://hebbmind.com/ko/plugin/agent-teams.md): [Plugin] Orchestrates multi-agent teams using Claude Code's experimental Agent Teams feature: parallel multi-angle code review, competing-hypothesis debugging and feature work split by file ownership. Enable CLAUDE_CODE_EXPERIMENTAL_AGENT_TEAMS first. - [TDD Workflows](https://hebbmind.com/ko/plugin/tdd-workflows.md): [Plugin] Test-driven development plugin: /tdd-workflows:tdd-cycle and related commands move through red-green-refactor phases with a checkpoint for approval at each, plus TDD orchestrator and code reviewer subagents. Part of the wshobson/agents marketplace. - [Machine Learning Ops](https://hebbmind.com/ko/plugin/machine-learning-ops.md): [Plugin] MLOps plugin from the wshobson/agents marketplace: data scientist, ML engineer and MLOps engineer subagents and a /ml-pipeline command that runs the pipeline in phases from data analysis and training to deployment and monitoring, plus ML pipeline and recommender system skills. - [LLM Application Dev](https://hebbmind.com/ko/plugin/llm-application-dev.md): [Plugin] Plugin for building LLM apps: LangGraph agents with memory and tool use, hybrid-search RAG, vector index tuning, prompt optimization and LLM evaluation. Includes 3 subagents and 8 skills. - [Business Analytics](https://hebbmind.com/ko/plugin/business-analytics.md): [Plugin] Business analytics plugin from the wshobson/agents marketplace: KPI dashboard design and data storytelling skills plus a business analyst subagent to choose metrics, plan dashboard layouts and turn data into reports executives or investors understand. Methods and templates only; no data connections. - [Quantitative Trading](https://hebbmind.com/ko/plugin/quantitative-trading.md): [Plugin] Quant trading plugin from the wshobson/agents marketplace: quant analyst and risk manager subagents plus backtesting and risk metrics skills for strategy backtests, portfolio optimization and risk measures like VaR, Sharpe ratio and max drawdown. Needs local Python; not investment advice. - [Accessibility Compliance](https://hebbmind.com/ko/plugin/accessibility-compliance.md): [Plugin] Accessibility review plugin with an audit command, a UI validation subagent, and WCAG 2.2 and screen reader testing skills. Before design reviews or launch, the agent checks contrast, keyboard use and screen reader support and suggests fixes. For Claude Code; automated checks need Node.js. - [Data Engineering](https://hebbmind.com/ko/plugin/data-engineering.md): [Plugin] Data engineering plugin from the wshobson/agents marketplace: a data engineer subagent, a data pipeline command, and skills for Airflow DAGs, dbt transformations, Spark tuning and data quality, to help build ETL and data warehouses. - [Lightpanda Browser](https://hebbmind.com/ko/cli/browser.md): [CLI] Headless browser written from scratch in Zig for AI agents and automation, using less memory and running faster than headless Chrome in official benchmarks. fetch turns pages into Markdown, and it can serve CDP or MCP. Telemetry is on by default (an env var disables it); Windows needs WSL. - [Postiz](https://hebbmind.com/ko/mcp/postiz-app.md): [MCP] MCP built into the open-source social media scheduler Postiz: agents draft, schedule and publish posts and view analytics across 30+ platforms including X, LinkedIn, Instagram and YouTube. The cloud version uses browser OAuth, no API key (paid after a 7-day trial); self-hosting is free. - [audit-xls](https://hebbmind.com/ko/skill/audit-xls.md): [Skill] Official Anthropic finance skill that checks Excel for formula errors like #REF!, numbers hardcoded in formulas, sum ranges that miss rows and mixed units; on full models it also checks the balance sheet balances and cash ties. Lists issues and fixes and asks before changing anything. - [clean-data-xls](https://hebbmind.com/ko/skill/clean-data-xls.md): [Skill] Official Anthropic skill for cleaning messy Excel exports: trims spaces, standardizes case and dates, converts text numbers, dedupes, and flags mixed types, garbled text and errors. Keeps originals via helper-column formulas and confirms each step. Works in Claude for Excel; local files need Python. - [Nushell](https://hebbmind.com/ko/cli/nushell.md): [CLI] Cross-platform shell built around structured data: pipelines pass tables instead of plain text, and you can open and query JSON, CSV, TOML and more directly. Default builds include nu --mcp, which serves it to agents as an MCP server. - [Marker](https://hebbmind.com/ko/cli/marker.md): [CLI] Converts PDFs, images, PPTX, DOCX, XLSX, EPUB and more into Markdown, JSON or HTML, preserving tables, formulas and layout, with optional LLM help for higher accuracy. Needs Python 3.10+ and PyTorch; large-scale commercial use of the model weights needs a paid license. - [PostHog MCP](https://hebbmind.com/ko/mcp/posthog-mcp.md): [MCP] PostHog's official hosted MCP: lets agents query product analytics with HogQL, manage feature flags and A/B experiments, and investigate errors and session replays. Sign in to PostHog to authorize; tool calls are free, though a few LLM-powered tools count toward AI usage. - [@agent-infra/mcp-server-browser](https://hebbmind.com/ko/mcp/browser.md): [MCP] Browser automation MCP server open-sourced by ByteDance in the UI-TARS-desktop repo: drives pages through Puppeteer accessibility data with an optional vision mode, running locally over stdio or remotely over SSE or Streamable HTTP. - [Agent TARS CLI](https://hebbmind.com/ko/cli/ui-tars-desktop.md): [CLI] ByteDance's open-source multimodal agent CLI: operates browsers via vision or the DOM and calls terminal, file and MCP tools to complete tasks, with a Web UI and headless server mode. Needs Node.js 22+ and a model API key. - [Find Skills](https://hebbmind.com/ko/skill/find-skills.md): [Skill] When a user asks whether a skill exists for some task, searches the skills.sh ecosystem with the skills CLI, then recommends and installs a fit. Maintained by Vercel Labs and shipped in the skills CLI repo. - [skills](https://hebbmind.com/ko/cli/skills.md): [CLI] Package manager for the open Agent Skills ecosystem: one command installs skills from GitHub and other sources into Claude Code, Codex, Cursor and dozens more agents, with search, update and removal. From Vercel Labs. - [llmfit](https://hebbmind.com/ko/cli/llmfit.md): [CLI] Detects your CPU, memory and GPU and scores open models on whether they run, speed, quality and context, then works with local runtimes like Ollama, llama.cpp and MLX to download and benchmark them. recommend --json gives agent-friendly output. - [Docker Compose](https://hebbmind.com/ko/cli/compose.md): [CLI] Define multi-container apps in compose.yaml and bring up services, databases, caches and the rest with one docker compose up, handy for agents setting up local dev and test dependencies. Maintained by Docker; included with Docker Desktop on macOS. - [Nuwa Skill](https://hebbmind.com/ko/skill/nuwa-skill.md): [Skill] Give it a person's name or a vague need and it researches and distills their mental models, decision style and voice into a callable persona skill (e.g. Munger, Feynman, Jobs) to aid analysis and decisions. Works with Claude Code, Codex and other agents. - [Vibe-Trading](https://hebbmind.com/ko/mcp/vibe-trading.md): [MCP] Trading research agent from HKU's HKUDS whose MCP server offers 70+ tools for quotes, financials, backtesting and research across A-shares, Hong Kong and US stocks and crypto. Needs local Python; HK, US and crypto research need no API key. For research only; not investment advice. - [Claude Code Router](https://hebbmind.com/ko/cli/claude-code-router.md): [CLI] Local model gateway that routes requests from Claude Code, Codex and other coding agents to providers like DeepSeek, Kimi, Gemini and OpenRouter, with failover, rule-based routing and request logs. Bring your own API keys. - [WeKnora CLI](https://hebbmind.com/ko/cli/tencent-cli.md): [CLI] Official CLI for Tencent's open-source knowledge base platform WeKnora: upload documents, manage knowledge bases, run hybrid search and answer questions from them, or serve as a read-only MCP. Needs your own WeKnora deployment and a source build with Go 1.26+. - [jq](https://hebbmind.com/ko/cli/jq.md): [CLI] Lightweight command-line JSON processor that slices, filters, maps and transforms JSON with concise expressions and no runtime dependencies. A staple for agents parsing API responses and logs. - [SQL Queries](https://hebbmind.com/ko/skill/sql-queries.md): [Skill] Anthropic's official data skill that guides agents to write, translate and optimize SQL across Snowflake, BigQuery, Databricks, PostgreSQL and other warehouse dialects, including CTEs, window functions and analytical aggregations. - [people-report](https://hebbmind.com/ko/skill/people-report.md): [Skill] Generates people analytics reports from employee data: headcount snapshots, voluntary and involuntary attrition, diversity metrics, spans of control and flight risk, with findings and recommendations for leadership. Needs an uploaded employee CSV or a connected HRIS. Official from Anthropic. - [kb-article](https://hebbmind.com/ko/skill/kb-article.md): [Skill] Turns resolved tickets, common questions or workarounds into publish-ready knowledge base articles, structured as how-to guides, troubleshooting, FAQs or known issues, and optimized for search. From Anthropic's official customer-support plugin. - [Email Sequence](https://hebbmind.com/ko/skill/email-sequence.md): [Skill] Designs multi-email marketing sequences for onboarding, lead nurturing, win-back and launches, with full copy for each email, timing, branches and exit conditions, benchmarks and A/B test ideas. No email tool required. Part of Anthropic's official marketing plugin. - [Brand Voice](https://hebbmind.com/ko/plugin/brand-voice.md): [Plugin] Distills your brand voice from existing material in Notion, Confluence, Google Drive, Gong and more into actionable guidelines, then writes and checks AI copy against them. Built by Tribe AI and included in Anthropic's official plugin collection; connect at least one source or provide documents. - [Data](https://hebbmind.com/ko/plugin/data.md): [Plugin] Data analysis plugin: writes queries in each SQL dialect, explores datasets, runs statistical tests, charts with Python and builds interactive HTML dashboards, then reviews methods and conclusions before sharing. Connects to Snowflake, BigQuery and other warehouses. Official from Anthropic. - [Performance Report](https://hebbmind.com/ko/skill/performance-report.md): [Skill] Turns campaign or channel data into weekly, monthly or quarterly marketing reports: executive summary, key metrics and period-over-period trends, wins and misses, and next-period priorities. Connect analytics tools or just paste tables or key numbers. From Anthropic's knowledge-work-plugins. - [Marketing](https://hebbmind.com/ko/plugin/marketing.md): [Plugin] Marketing plugin: drafts blog, social, email and landing page content, plans campaigns, reviews copy against your brand voice, and produces competitive briefs, SEO audits and channel performance reports. Official from Anthropic. - [Bio Research](https://hebbmind.com/ko/plugin/bio-research.md): [Plugin] For preclinical life sciences research: bundles MCP connectors for PubMed, bioRxiv, ChEMBL, Open Targets, ClinicalTrials and more, plus analysis skills for single-cell RNA QC, scvi-tools and nf-core pipelines. Official from Anthropic; some data sources need accounts. - [Web Design Guidelines](https://hebbmind.com/ko/skill/web-design-guidelines.md): [Skill] Reviews UI code against Vercel's Web Interface Guidelines, covering accessibility, focus, forms, animation, typography, dark mode and more, listing issues as file:line. Fetches the latest rules before each review. Maintained by Vercel. - [Writing Guidelines](https://hebbmind.com/ko/skill/writing-guidelines.md): [Skill] Vercel's official skill that pulls the 80+ rules of Vercel's writing handbook online to review docs and copy for voice, structure, content types, code examples and formatting, listing issues as file:line. - [Cognee MCP](https://hebbmind.com/ko/mcp/cognee-mcp.md): [MCP] Runs the cognee memory engine as an MCP server whose remember, recall and forget tools write documents and conversations into a knowledge graph and vector store for cross-session retrieval. Start it with Docker or uv first; needs an LLM API key by default, or connect to Cognee Cloud. - [Graphiti MCP Server](https://hebbmind.com/ko/mcp/getzep-mcp-server.md): [MCP] Writes conversations and business data into Graphiti's temporal knowledge graph so agents can retrieve long-term memory by entity, fact and time. Open source from Zep; start FalkorDB or Neo4j and the server with Docker first, and configure an LLM API key. - [Grafana k6](https://hebbmind.com/ko/cli/k6.md): [CLI] Grafana's load and performance testing tool: write test scripts in JavaScript covering HTTP, WebSocket, gRPC and browsers, set threshold assertions and run them in CI. - [OpenCLI](https://hebbmind.com/ko/cli/opencli.md): [CLI] Turns websites and Electron desktop apps into deterministic CLIs, with built-in adapters for Reddit, Hacker News, Bilibili, Zhihu, Xiaohongshu and more, and lets agents operate any page through your signed-in Chrome. Needs its companion browser extension. - [Lighthouse](https://hebbmind.com/ko/cli/lighthouse.md): [CLI] Official web auditing tool from the Google Chrome team: score pages on performance, accessibility, best practices and SEO from the command line and get HTML, JSON or CSV reports, so agents can iterate on a page. Needs Node 22+ and Chrome. - [Marketing Team Skills](https://hebbmind.com/ko/plugin/marketing-skill.md): [Plugin] Marketing team plugin with 40+ skills for copy and content, SEO and AI search optimization, conversion optimization, email and social, paid ads, growth strategy and competitor analysis, plus Python analysis scripts. Most need no account; a few, like YouTube transcripts, need API keys. - [Grammar Check](https://hebbmind.com/ko/skill/grammar-check.md): [Skill] Proofreads drafts: once you explain the text's purpose, it finds grammar, logic and flow issues and gives located suggestions with reasons, without rewriting the whole piece or changing your voice. Rules and examples target English. Part of PM Skills; no extra account needed. - [OpenSEO](https://hebbmind.com/ko/mcp/open-seo.md): [MCP] Open-source SEO tool (a Semrush/Ahrefs alternative) with built-in MCP for keyword research, rank tracking, competitor and backlink analysis, site audits and AI search visibility checks. The hosted version has a free trial; self-hosting needs a pay-as-you-go DataForSEO key. - [baoyu-skills](https://hebbmind.com/ko/skill/baoyu-skills.md): [Skill] Baoyu's (JimLiu) content creation skills: infographics, covers, article illustrations, slide decks, comics and translation, plus Xiaohongshu cards and publishing to WeChat, Weibo and X. Needs Node.js, bun and an image model API key; some skills rely on Chrome automation or unofficial APIs. - [baoyu-slide-deck](https://hebbmind.com/ko/skill/baoyu-slide-deck.md): [Skill] Turns an article or Markdown into a set of slide images: drafts an outline and style first, then generates each page, and can merge them into PPTX or PDF. Comes with over ten visual presets. Needs a working image generation backend. - [baoyu-translate](https://hebbmind.com/ko/skill/baoyu-translate.md): [Skill] Translation skill by Baoyu with quick, normal and refined modes, custom glossaries, and target audience and style settings. Translates local files or URLs; suited to long-form Chinese-English translation and localization. Needs bun or npx. Next page: https://hebbmind.com/ko/tools.md?page=4&profession=qa%2Calgorithm%2Cdata-engineering%2Cdata%2Cwriting