# 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 Data engineering or Data analysis or Founders: 561 items. > - QA: Functional testing, test automation and quality assurance. > - Data engineering: Data pipelines, warehouse modeling, ETL and data quality. > - Data analysis: Querying, statistical analysis, reporting and visualization. > - Founders: Business plans, fundraising decks, business analysis and team management. - [OpenClaw](https://hebbmind.com/cli/openclaw.md): [CLI] Open-source personal AI assistant that runs on your own machine and talks to you over 20+ chat channels such as Telegram, Slack and iMessage. The openclaw CLI manages the gateway, channel pairing and plugins; switch models between Claude, Codex and local ones. - [MarkItDown](https://hebbmind.com/cli/markitdown.md): [CLI] Converts PDF, Word, Excel, PowerPoint, HTML, images, audio and more into Markdown that keeps headings, lists and tables, ready for LLMs to read and analyze. Maintained by Microsoft; requires Python 3.10+. - [Code Review](https://hebbmind.com/plugin/code-review.md): [Plugin] Reviews pull requests with several parallel subagents, scores each finding by confidence to filter out false positives, and can post the results as PR comments. Official Anthropic plugin; requires a logged-in GitHub CLI. - [Browser Use](https://hebbmind.com/cli/browser-use.md): [CLI] Open-source browser agent project. Its browser-use CLI lets Claude Code, Codex and other agents drive your logged-in local Chrome with Python snippets, or connect to a cloud browser; also ships a Python agent library. The cloud browser needs an API key. - [Browser Use](https://hebbmind.com/skill/browser-use.md): [Skill] Controls your local Chrome over CDP to navigate, click, type, take screenshots and scrape data, reusing logged-in sessions. Official browser-use skill; install the browser-use CLI with uv first. - [Marketing Skills](https://hebbmind.com/plugin/marketingskills.md): [Plugin] Marketing skills for technical marketers and founders: 50 skills covering conversion optimization, copywriting, SEO and AI search, paid ads, email and cold outreach, pricing, customer research and launch strategy, all sharing one product-marketing context. - [Scientific Agent Skills](https://hebbmind.com/skill/scientific-agent-skills.md): [Skill] 166 research skills maintained by K-Dense (formerly Claude Scientific Skills), spanning bioinformatics, cheminformatics, clinical research, materials and physics, including unified access to 78 public databases such as PubChem and UniProt. Works with Claude Code, Codex and Cursor. - [DuckDB](https://hebbmind.com/cli/duckdb.md): [CLI] In-process analytical SQL database. Its CLI queries CSV, Parquet and JSON files directly with SQL, no import or server needed, so agents can sample and aggregate large files. Officially maintained. - [Claude for Financial Services](https://hebbmind.com/plugin/financial-services.md): [Plugin] Anthropic's financial-services plugin marketplace: skills, commands and agents for valuation models (DCF, LBO, comps), banking materials, sell-side research, private equity and fund ops, with FactSet, Morningstar and other connectors that may need vendor subscriptions or keys. - [Playwright MCP](https://hebbmind.com/mcp/playwright.md): [MCP] Lets agents drive a real browser through the accessibility tree: navigate, click, fill forms and take screenshots, without needing a vision model. Maintained by Microsoft. - [MCP Toolbox for Databases](https://hebbmind.com/mcp/mcp-toolbox.md): [MCP] Google's open-source database MCP server with ready-made query and SQL tools for dozens of sources, including PostgreSQL, MySQL, BigQuery, Spanner and MongoDB. Define controlled custom queries in tools.yaml. - [Trail of Bits Skills](https://hebbmind.com/skill/trailofbits-skills.md): [Skill] Skills from security firm Trail of Bits: 40+ plugins for code auditing, CodeQL and Semgrep static analysis, differential review, smart-contract and cryptography audits, fuzzing and more. Also installable as a Claude Code or Codex plugin marketplace. - [Stripe MCP](https://hebbmind.com/mcp/stripe-modelcontextprotocol.md): [MCP] Lets agents call the Stripe API to manage customers, payments, subscriptions, invoices and refunds, and search Stripe docs and support articles. Maintained by Stripe; the remote server uses OAuth, or run it locally via npx with a secret key. - [Diagnosing Bugs](https://hebbmind.com/skill/diagnosing-bugs.md): [Skill] A disciplined process for hard bugs and performance regressions: build a reliable reproduction loop, reproduce and minimize, form hypotheses, instrument to verify, then fix and add a regression test, redacting secrets in output. By Matt Pocock. - [Grill Me](https://hebbmind.com/skill/grill-me.md): [Skill] Before you build, the agent grills you on your plan or design, offering a recommended answer each round, until every decision branch is resolved. It calls the grilling skill from the same repo, so install both. - [Test-Driven Development](https://hebbmind.com/skill/test-driven-development.md): [Skill] Forces red-green-refactor: write a test and watch it fail, then write the minimum code to pass. Any code written without a verified failing test gets deleted and redone. From the Superpowers workflow. - [Customer Billing Ops](https://hebbmind.com/skill/customer-billing-ops.md): [Skill] Resolves subscription billing issues: checks customer and subscription state, separates duplicate purchases, team seats and failed payments, restores self-serve before refunding, and drafts the reply. Needs Stripe or similar tools connected; refunds move real money, so review them. - [PPTX](https://hebbmind.com/skill/pptx.md): [Skill] Creates, reads and edits PowerPoint decks: applies templates and layouts, handles speaker notes and comments, and merges or splits slides. The official Anthropic skill behind Claude's document features; source-available, not open source. - [webapp-testing](https://hebbmind.com/skill/webapp-testing.md): [Skill] Drives local web apps with Python Playwright scripts to verify features, debug the UI, take screenshots and read browser logs. Includes helper scripts to start and stop dev servers. Official Anthropic skill. - [Internal Comms](https://hebbmind.com/skill/internal-comms.md): [Skill] Writes internal communications in familiar company formats: 3P updates, leadership reports, project status updates, company newsletters, FAQs and incident reports. Official Anthropic skill. - [XLSX](https://hebbmind.com/skill/xlsx.md): [Skill] Creates, edits and analyzes Excel spreadsheets: formulas, formatting, charts and data cleaning, plus conversion between CSV, TSV and other tabular formats. The official Anthropic skill behind Claude's document features; source-available, not open source. - [Discernment Nudge](https://hebbmind.com/skill/discernment-nudge.md): [Skill] After giving advice, a draft or a data analysis, adds 2-3 targeted follow-up questions that prompt the user to check key facts, test the reasoning and fill in missing context. Fires at most once per conversation. Official Anthropic skill. - [PR Review Toolkit](https://hebbmind.com/plugin/pr-review-toolkit.md): [Plugin] Six specialized review subagents that check comment accuracy, test coverage, silent failures, type design, code style and simplification opportunities. Run them individually or all at once. Official Anthropic plugin. - [gstack](https://hebbmind.com/skill/gstack.md): [Skill] Skill pack from YC president Garry Tan: slash commands such as /office-hours, /plan-ceo-review, /review, /qa and /ship play CEO, engineering manager, designer, QA and release engineer. Needs Git and Bun; clone the repo and run ./setup as the README describes. - [office-hours (gstack)](https://hebbmind.com/skill/office-hours.md): [Skill] YC office hours skill from gstack: startup mode tests real demand, the narrowest wedge and future fit with six probing questions; builder mode brainstorms side projects, hackathons and open source. Ends with a design doc. Maintained by Garry Tan. - [Browser Use MCP](https://hebbmind.com/mcp/browser-use-mcp.md): [MCP] Local MCP server built into Browser Use: lets agents navigate, click, type and extract page content, or hand multi-step tasks to the built-in browser agent. Bring your own OpenAI or Anthropic API key. - [Interview Me](https://hebbmind.com/skill/interview-me.md): [Skill] For fuzzy requirements: the agent asks one question at a time with its own guess, clarifying users, motivation, success criteria and constraints, and restates the intent for your confirmation before planning. Needs you answering live, so not for unattended runs. From Addy Osmani's agent-skills. - [Agent Skills](https://hebbmind.com/plugin/agent-skills.md): [Plugin] Addy Osmani's production-grade engineering skill pack covering spec, planning, implementation, testing, review and shipping, with commands like /spec, /plan, /build, /test, /review and /ship. Supports both Claude Code and Codex. - [Agent Skills (Addy Osmani)](https://hebbmind.com/skill/addyosmani-agent-skills.md): [Skill] Engineering skill collection spanning define, plan, build, verify, review and ship, with /spec, /plan, /build, /test, /review and /ship commands, including TDD, code review and web performance audits. By Addy Osmani. - [Scrapling](https://hebbmind.com/cli/scrapling.md): [CLI] Adaptive web scraping framework: scrapling extract turns a page into Markdown, text or HTML in one command, with CSS selectors and browser rendering for dynamic pages, plus an MCP server (needs the ai extra). Needs Python 3.10+ and a browser install on first use. - [Scrapling](https://hebbmind.com/mcp/scrapling.md): [MCP] MCP server built into the adaptive Python scraping framework Scrapling: supports plain HTTP requests, browser rendering and stealth fetching, and uses CSS selectors to pass only the target content to the AI, saving tokens and filtering out prompt injection. - [Playwright](https://hebbmind.com/cli/playwright.md): [CLI] Microsoft's cross-browser end-to-end testing framework: one API drives Chromium, Firefox and WebKit, npx playwright test runs tests in parallel and isolation, with auto-waiting and trace replay for debugging failures. - [PaddleOCR](https://hebbmind.com/cli/paddleocr.md): [CLI] Baidu PaddlePaddle's official OCR and document parsing tool: the paddleocr command reads text from images and parses PDFs and scans into Markdown or JSON, supporting 100+ languages with models that run locally. - [uv](https://hebbmind.com/cli/uv.md): [CLI] Astral's extremely fast Python package and project manager written in Rust, replacing pip, pipx, poetry, pyenv and more. Supports lockfiles and multiple Python versions, and uvx runs Python tools without installing them. - [Crawl4AI](https://hebbmind.com/cli/crawl4ai.md): [CLI] Open-source, LLM-friendly web crawler that turns pages into clean Markdown for RAG and agents. Ships the crwl CLI and supports deep crawling and question-driven data extraction (extraction needs an LLM key). Free to self-host. - [MinerU](https://hebbmind.com/cli/mineru.md): [CLI] Document parser from OpenDataLab that turns PDFs, images and Office files into Markdown or JSON, handling tables, formulas and complex layouts well, with page-by-page reading and citation anchors for agents. Parses locally by default; needs Python 3.10+. - [Invoice Organizer](https://hebbmind.com/skill/invoice-organizer.md): [Skill] Reads messy invoices and receipts (PDFs, scans, screenshots), extracts vendor, date and amount, renames and files them by vendor, category or year, keeps originals and can export a CSV for your accountant. Needs an agent with local file access; no account required. - [Tesseract OCR](https://hebbmind.com/cli/tesseract.md): [CLI] Classic open-source OCR engine and CLI that reads text from images and outputs plain text, hOCR, searchable PDF or TSV. Supports 100+ languages; install the language data for each language you need. - [PPT Master](https://hebbmind.com/skill/ppt-master.md): [Skill] Generates natively editable PPTX from PDFs, Word files, web pages and other sources, with native shapes, data charts and master layouts. Can also fill your own template and add animations and narration to finished decks. Needs Python 3.10+ and its dependencies. - [OpenBB MCP Server](https://hebbmind.com/mcp/openbb-finance-mcp-server.md): [MCP] Official OpenBB MCP server exposing the OpenBB Platform's equity, ETF, macroeconomic, crypto and news data to agents; enable only the tool categories you need to save context. Needs uv locally; some data sources need your own API keys. Not investment advice. - [OpenBB Platform CLI](https://hebbmind.com/cli/openbb-finance-cli.md): [CLI] Command-line edition of the open-source OpenBB investment research platform: query stock prices, financial statements, macroeconomic and other financial data from the terminal, and automate data pulls with Routine scripts. Officially maintained; some sources need API keys. - [act](https://hebbmind.com/cli/act.md): [CLI] Runs GitHub Actions workflows locally in Docker, so you can test .github/workflows changes without repeated commits and pushes, or use workflows as a local task runner. Needs Docker installed. - [Docling](https://hebbmind.com/cli/docling.md): [CLI] Parses PDF, DOCX, PPTX, XLSX, HTML, images and audio, recovering layout, reading order, tables and formulas, and exports Markdown, HTML or lossless JSON. Started by IBM Research, now hosted by the LF AI & Data Foundation; runs fully locally. - [last30days](https://hebbmind.com/skill/last30days-skill.md): [Skill] Searches Reddit, X, YouTube, Hacker News, Polymarket and more in parallel for the past 30 days of discussion on a topic, scores it by engagement and summarizes it into a brief. Good for market research and meeting prep. Needs Python 3.12+; some sources need API keys. - [rclone](https://hebbmind.com/cli/rclone.md): [CLI] 'rsync for cloud storage': sync and copy files across dozens of providers such as S3, Google Drive, OneDrive and Alibaba Cloud OSS, with encryption and mounting. Set up remotes with rclone config before use. - [Customer Research](https://hebbmind.com/skill/coreyhaines31-customer-research.md): [Skill] Runs and analyzes customer research: pulls pain points, buying motives and verbatim quotes from interviews, surveys, support tickets, review sites and community posts, builds personas and JTBD, and designs interview guides and PMF surveys. From the marketingskills collection. - [Paid Ads](https://hebbmind.com/skill/ads.md): [Skill] Paid ads advisor: plans campaigns on Google Ads, Meta, LinkedIn, X and more, covering audience targeting, bidding and budgets, account diagnostics and ROAS/CPA optimization. From the marketingskills collection; needs no API key itself. - [churn-prevention](https://hebbmind.com/skill/churn-prevention.md): [Skill] Helps subscription products reduce churn: designs cancellation flows, save offers and exit surveys, spots churn risk signals, and plans dunning and win-back emails after failed payments. For customer success, lifecycle and growth teams; billing platforms like Stripe need setup on your side. - [Marketing Skills](https://hebbmind.com/skill/marketingskills.md): [Skill] Marketing skill collection: 50 skills covering SEO audits, conversion optimization, landing page copy, pricing, paid ads, email and social media, all sharing a common product marketing context. Supports Claude Code, Codex and more. - [Competitor Profiling](https://hebbmind.com/skill/competitor-profiling.md): [Skill] Give it competitor URLs and it scrapes homepages, pricing, feature pages and third-party reviews, adds SEO and traffic data, and writes standardized profiles of positioning, features, pricing, customers and differentiators. Needs Firecrawl and DataForSEO MCPs with API keys. Next page: https://hebbmind.com/tools.md?page=2&profession=qa%2Cdata-engineering%2Cdata%2Cfounder