# Tools

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Type Skill, Resources for ML / AI or Data analysis or Writing / Content or Customer support: 190 items.

> - ML / AI: Model training, evaluation and LLM application development.
> - Data analysis: Querying, statistical analysis, reporting and visualization.
> - Writing / Content: Writing and editing articles, books, technical docs and social content.
> - Customer support: Tickets, customer questions, knowledge-base upkeep and service quality.

- [Skill Creator](https://hebbmind.com/skill/skill-creator.md): [Skill] Guides the agent through writing or improving a skill: clarify intent, draft SKILL.md, run scored evals with and without the skill, then tune the description so it triggers accurately. Official Anthropic skill.
- [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.
- [Humanizer](https://hebbmind.com/skill/humanizer.md): [Skill] Flags and rewrites AI-sounding text using 25 patterns drawn from Wikipedia's 'Signs of AI writing', keeping the meaning without inventing facts. Give it a writing sample to match your own voice.
- [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.
- [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.
- [Claude API](https://hebbmind.com/skill/claude-api.md): [Skill] Reference for the Claude API and Anthropic SDK: model selection and pricing, streaming, tool use, prompt caching, Managed Agents and more, plus workflows for model migration and prompt audits. Official Anthropic skill.
- [MCP Builder](https://hebbmind.com/skill/mcp-builder.md): [Skill] Guides agents in building quality MCP servers: research the protocol and target API, design tools, implement with Python (FastMCP) or the TypeScript SDK, and write evaluation questions to test the result. 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.
- [Doc Co-Authoring](https://hebbmind.com/skill/doc-coauthoring.md): [Skill] Guides users through co-writing proposals, technical specs and decision docs in three stages: gather context, refine section by section, then test with a fresh session that lacks the context to catch what readers won't understand. Official Anthropic skill.
- [DOCX](https://hebbmind.com/skill/docx.md): [Skill] Creates, reads and edits Word documents: tables of contents, page numbers and letterheads, tracked changes, comments and find-and-replace, while preserving existing formatting. The official Anthropic skill behind Claude's document features; source-available, not open source.
- [Awesome Claude Skills (Composio)](https://hebbmind.com/skill/awesome-claude-skills.md): [Skill] Curated index of Claude skills with about 30 practical skills in the repo (resume tailoring, content research and writing, file organization, meeting analysis) plus 800+ automation skills that reach third-party apps via Composio, which need Rube MCP and account authorization.
- [Diagram Design](https://hebbmind.com/skill/diagram-design.md): [Skill] Generates self-contained HTML+SVG diagrams in an editorial style: architecture, flowcharts, sequence, swimlane, Gantt and dozens more types. Can match brand colors from a website and redraw imported Mermaid, draw.io and Excalidraw sources.
- [Cold Email](https://hebbmind.com/skill/cold-email.md): [Skill] Writes B2B cold emails and multi-step follow-up sequences, refining subject lines, openers, body and calls to action so they feel personal and human. Suited to SDRs and founders doing outbound. From the marketingskills collection; no extra account needed.
- [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.
- [Copywriting](https://hebbmind.com/skill/copywriting.md): [Skill] Writes or rewrites marketing copy for homepages, landing pages, pricing pages and more: first clarifies page goals, audience and selling points, then produces headlines, value propositions and calls to action. From the marketingskills collection.
- [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.
- [AI SEO](https://hebbmind.com/skill/ai-seo.md): [Skill] AI search optimization (AEO/GEO) skill from the marketingskills collection: checks whether ChatGPT, Perplexity and Google AI Overviews cite your content and suggests rewrites and structure that AI can extract and cite more easily, including llms.txt and structured data.
- [Copy Editing](https://hebbmind.com/skill/copy-editing.md): [Skill] Edits and refreshes existing marketing copy in seven sweeps: clarity, voice, value, proof, specificity, emotion and objection handling, keeping the meaning and author's voice. Can also audit and update stale pages. Complements the copywriting skill; from marketingskills.
- [Academic Research Skills](https://hebbmind.com/skill/academic-research-skills.md): [Skill] Skill suite for the whole academic research workflow: deep research (including PRISMA systematic reviews), paper writing, multi-perspective peer review and revision, pausing for human approval at each stage, with citation and integrity checks. CC BY-NC, non-commercial only.
- [Statistical Analysis](https://hebbmind.com/skill/statistical-analysis.md): [Skill] Guides agents to the right statistical method for research data: t-tests, ANOVA, chi-square, regression and Bayesian analysis, checking assumptions, computing effect sizes and power, and reporting results in APA format. Python-based (pingouin, statsmodels); by K-Dense.
- [Scientific Writing (K-Dense)](https://hebbmind.com/skill/scientific-writing.md): [Skill] Drafts, revises and reviews research manuscripts, tying every fact and number to verified evidence and covering reporting guidelines, authorship, AI disclosure and confidentiality; explicitly forbids fabricated citations or data. Includes offline check scripts; no API key needed.
- [Database Lookup](https://hebbmind.com/skill/database-lookup.md): [Skill] Unified database lookup skill from K-Dense's scientific collection: reproducibly queries about 80 public database APIs such as PubChem, UniProt, ChEMBL, ClinicalTrials.gov and FRED, returning traceable results with endpoints, parameters and count checks. Some need API keys.
- [Scanpy Single-Cell Analysis](https://hebbmind.com/skill/scanpy.md): [Skill] Teaches agents standard single-cell RNA-seq analysis with Scanpy: QC, normalization, PCA/UMAP, clustering, differential expression and plots, with ready-to-run pipeline scripts and guidance on converting Seurat and other R objects to h5ad. Needs Python 3.12+; by K-Dense.
- [Literature Review (K-Dense)](https://hebbmind.com/skill/literature-review.md): [Skill] Systematic literature reviews following PRISMA and similar standards: searches PubMed, arXiv, bioRxiv and other databases, verifies each citation's DOI, and outputs Markdown and PDF in APA, Nature or other styles. Main web search uses parallel-cli and needs a Parallel account.
- [Obsidian Skills](https://hebbmind.com/skill/obsidian-skills.md): [Skill] Teaches agents to read and write Obsidian vaults: Obsidian-flavored Markdown, Bases data views, JSON Canvas and the Obsidian CLI, plus Defuddle web content extraction and Knap template rendering. Maintained by Obsidian CEO kepano.
- [clean-data-xls](https://hebbmind.com/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.
- [audit-xls](https://hebbmind.com/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.
- [Find Skills](https://hebbmind.com/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.
- [Nuwa Skill](https://hebbmind.com/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.
- [Writing Guidelines](https://hebbmind.com/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.
- [persona-customer-support](https://hebbmind.com/skill/persona-customer-support.md): [Skill] Support persona skill for the gws CLI: triages support-labeled Gmail, turns emails into tasks, logs tickets in Google Sheets, escalates urgent issues to Chat and books follow-ups. Needs gws authorized via your own Google Cloud project plus its companion skills; not officially supported by Google.
- [Renewal Radar](https://hebbmind.com/skill/renewal-radar.md): [Skill] Lists renewals coming up in the next few months, flags churn risk and expansion opportunities from signals like usage, key contact changes and open complaints, and checks for missing or wrong renewal opportunities in the CRM. Needs a CRM or uploaded contract exports. Official from Anthropic.
- [SQL Queries](https://hebbmind.com/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/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.
- [customer-research](https://hebbmind.com/skill/customer-research.md): [Skill] Before replying to a customer, verifies answers across the knowledge base, past tickets, CRM and chat history, grades confidence and cites sources; can also find whether an issue was reported before or what a customer was told. From Anthropic's official customer-support plugin.
- [customer-escalation](https://hebbmind.com/skill/customer-escalation.md): [Skill] Packages customer issues that need engineering, product or leadership into an escalation brief with scope, repro steps, business impact, asks and deadline, and decides who to escalate to. Support and CRM connectors add context automatically. Part of Anthropic's official customer-support plugin.
- [draft-response](https://hebbmind.com/skill/draft-response.md): [Skill] Drafts customer-facing replies tuned to the situation and relationship: product questions, outage notices, bad news like delays or won't-fix, declined feature requests and billing disputes, with adjustable tone. From Anthropic's official customer-support plugin; review before sending.
- [Review and Reputation](https://hebbmind.com/skill/review-reputation.md): [Skill] Collects reviews and complaints from Google, Yelp, Facebook and more, groups them by theme with quotes, and drafts replies in the owner's voice that post only after approval; also finds lapsed customers and drafts win-back messages. Official Anthropic small-business plugin.
- [Ticket Deflector](https://hebbmind.com/skill/ticket-deflector.md): [Skill] Support for small merchants: reads customer emails, checks orders and refunds in Stripe, PayPal, Square or Shopify, and drafts replies in the owner's voice per your refund policy; can refund via Stripe or Square after explicit approval. Works with pasted emails too. Official from Anthropic.
- [Customer Health](https://hebbmind.com/skill/customer-health.md): [Skill] Account health checks for customer success managers: pulls CRM, email, calendar and call notes to score relationship, engagement, commercial (renewal and expansion), support and value delivery red/yellow/green, and can prep a QBR agenda. CRM preferred; uploads work. Official from Anthropic.
- [Performance Report](https://hebbmind.com/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.
- [kb-article](https://hebbmind.com/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.
- [ticket-triage](https://hebbmind.com/skill/ticket-triage.md): [Skill] Triages support tickets: extracts the issue and urgency signals, categorizes and assigns P1 to P4 priority, checks for duplicates or known issues, suggests the team to route to and drafts the first response. Part of Anthropic's official customer-support plugin.
- [Email Sequence](https://hebbmind.com/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.
- [Customer Voice](https://hebbmind.com/skill/customer-voice.md): [Skill] Pulls verbatim customer quotes on a topic from call transcripts, meeting notes and emails, tagging each with speaker, account and date, and summarizes recurring themes into voice-of-customer findings for product and marketing. Connect Gong, email or drive, or upload transcripts. By Anthropic.
- [Customer Success Manager](https://hebbmind.com/skill/customer-success-manager.md): [Skill] For SaaS customer success teams: three standard-library Python scripts turn customer data into health scores, churn-risk tiers and ranked expansion opportunities, with reproducible results. Needs Python and customer data in the sample JSON format. Part of the claude-skills collection.
- [Grammar Check](https://hebbmind.com/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.
- [baoyu-translate](https://hebbmind.com/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.
- [baoyu-slide-deck](https://hebbmind.com/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.

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