Claude Skills by null0xxx

Run stepped HTTP load tests with ab/wrk, ramping concurrency levels to collect p50/p90/p99 latency, detect performance inflection points, and recommend optimal concurrency. Triggered by requests like 'load test this URL', 'benchmark my API', 'find the max concurrency', or mentions of p99 latency, throughput saturation, or capacity planning.

Remove signs of AI-generated writing from text. Use when editing or reviewing text to make it sound more natural and human-written. Based on Wikipedia's comprehensive 'Signs of AI writing' guide. Detects and fixes patterns including: inflated symbolism, promotional language, superficial -ing analyses, vague attributions, em dash overuse, rule of three, AI vocabulary words, negative parallelisms, and excessive conjunctive phrases.

Manage email through IMAP and SMTP: read and search inboxes, check for new messages, fetch content, mark as read/unread, and send emails with attachments. Works with Gmail, Outlook, 163.com, and other standard servers. Triggered when the user asks to check mail, read an email, search inboxes, send an email, or mentions IMAP/SMTP email handling.

Blameless postmortem and incident review writing tool based on SRE best practices. Produces structured incident reports with timelines, root cause analysis (5 Whys), action items, and lessons learned. Trigger when users need to write incident reviews, perform RCAs, analyze production outages, or use keywords like postmortem, incident report, root cause analysis, or 5 Whys.

Draft classic investment memos as DOCX or PDF files, in the style of top VC deal memos or investor letters. Triggered when users ask to write an investment memo, deal memo, or IC memo, or to analyze a company, startup, or theme and document the thesis.

Generate a structured fundraising pitch deck outline covering Problem, Solution, Market, Business Model, Team, and The Ask, with data visualization suggestions. Trigger when users mention pitch decks, fundraising, investor presentations, or ask for help writing a deck or preparing to raise funds.

Collect, organize, and validate evidence for ISO 27001 and SOC 2 audits using API-first commands and major cloud CLI tools. Produces timestamped, auditor-ready evidence packages. Trigger when preparing for an audit, refreshing evidence, or discussing audit readiness, evidence gaps, or compliance frameworks.

Create magazine-style HTML pages replicating the visual design of Southern People Weekly. Use for feature article layouts, cover pages with red border frames, table-of-contents pages with portrait photography, and dual-column inner pages with editorial section headers, mimicking the typography and color scheme of Chinese weekly magazines.

Generates professional speech drafts for product launches, galas, TED-style talks, and more using the Rhetorical Triangle framework, with auto-annotated pause/tone/pace cues and delivery time estimates. Trigger when users mention writing a speech, keynote, opening remarks, or phrases like \"help me write a speech\" or \"give a talk at the gala\".

Execute kubectl commands to manage Kubernetes clusters — query pods and deployments, deploy applications, debug containers with logs and exec, update configurations, and monitor cluster health. Use when working with Kubernetes, asking for pod status, container logs, deployment updates, cluster diagnostics, or any kubectl operation.

Generate a self-contained landing page HTML prototype with five standard sections (Hero → Social Proof → Features → Pricing → CTA), outputting a single inlined HTML file ready to preview in any browser. Triggered when the user asks to build, generate, or scaffold a landing page, wireframe, or marketing page prototype, or mentions specific sections like hero, pricing, or CTA.

Assess and classify legal risks using a severity-by-likelihood framework with escalation criteria. Use when evaluating contract risk, assessing deal exposure, classifying issues by severity, or determining whether a matter needs senior counsel or outside legal review.

This skill should be used when setting up, auditing, or enforcing internationalization/localization in UI codebases (React/TS, i18next or similar, JSON locales), including installing/configuring the i18n framework, replacing hard-coded strings, ensuring en-US/zh-CN coverage, mapping error codes to localized messages, and validating key parity, pluralization, and formatting.

Analyze log files to troubleshoot errors, identify peak error periods, and produce error clustering, frequency statistics, and time distribution reports. Supports JSON, syslog, and Nginx formats with automatic detection. Use when a user uploads a .log file and asks to analyze errors, find patterns, debug issues, or get distribution stats.

Generate professional consulting-style market insight reports with data-driven analysis, executive summaries, and strategic recommendations. Triggers when users request market or industry analysis, competitive landscape reports, consumer behavior studies, or strategic documents in a top-tier consulting firm visual style.

Conduct realistic mock interviews with follow-up question drills across Behavioral, Technical, and Case scenarios, providing structured STAR framework diagnostics and polished sample answers to improve performance. Triggers when users mention practicing for interviews, preparing for behavioral/technical/case questions, or wanting to simulate follow-up questions and get feedback.

OKR drafting, breakdown, and retrospective coach that helps users craft high-quality objectives and key results, decompose goals into actionable layers, and conduct periodic reviews. Use when the user mentions OKR, goal management, key results, drafting, breakdown, retrospective, review, alignment, quarterly goals, or asks for help writing, reviewing, or breaking down an OKR.

Create premium landscape documents with magazine-quality editorial design. Produces visually rich reports featuring bold typography, full-bleed photography, data visualization cards, and narrative layouts. Use for corporate, research, or creative reports needing editorial aesthetics, multi-column layouts, big-number dashboards, and section-based navigation that blend narrative storytelling with data.

Provide CI/CD best practices and pipeline templates for GitHub Actions and GitLab CI, recommending configurations based on project type (frontend, backend, fullstack, library, monorepo, mobile). Trigger when users ask about setting up CI/CD, automating builds, improving pipelines, or mention keywords like GitHub Actions, GitLab CI, pipeline templates, or deployment automation.

Creates professional pitch decks and business plans in the style of a Chinese startup funding proposal (融资计划书 / BP). Triggered by requests to create investor decks, financing proposals, company overviews with market analysis, or any fundraising presentation. Supports Chinese and English content, outputs PPTX by default, and follows a polished 18-slide template with clean white backgrounds and navy blue accents.

Scrape dynamic and anti-bot protected websites using Playwright, returning page content, titles, and screenshots. Triggers when users ask to fetch, scrape, or extract data from a URL, especially for sites with JavaScript rendering, Cloudflare, or known blocking (like Discuss.com.hk).

Creates complete, structured podcast scripts with timestamps for intros, segmented topics, transitions, prepared questions, and closing CTAs. Triggered by requests like 'help me write a podcast episode', 'plan my script', or keywords such as podcast script, outline, intro, CTA, or episode planning.

Design, optimize, and communicate SaaS pricing — tier structure, value metrics, pricing pages, and price increase strategy. Use when building a pricing model from scratch, redesigning existing pricing, planning a price increase, or improving a pricing page. Trigger keywords: pricing tiers, pricing page, price increase, packaging, value metric, per seat pricing, usage-based pricing, freemium, good-better-best, pricing strategy, monetization, pricing page conversion, Van Westendorp.

Document a business process — flowcharts, RACI, and SOPs. Use when formalizing a process that lives in someone's head, building a RACI to clarify who owns what, writing an SOP for a handoff or audit, or capturing the exceptions and edge cases of how work actually gets done.

Transform one-line product ideas into complete PRD documents with user stories, feature lists, MoSCoW prioritization, and acceptance criteria. Trigger when users ask to 'write a PRD', 'turn this idea into a spec', 'flesh out requirements', or mention product requirements, user stories, feature breakdowns, or acceptance criteria.

Write professional business emails for reminders, follow-ups, declines, thank-yous, apologies, and more, with tone automatically adjusted for the recipient's role and bilingual Chinese-English support. Trigger when users ask to draft an email, need a template, or mention specific email types like a reminder, follow-up, rejection, or complaint.

Software project effort estimation assistant. Outputs three-point estimates (optimistic/most-likely/pessimistic values with confidence intervals), T-shirt sizes, or Function Point Analysis (FPA) counts. Triggered when users ask 'how long will this feature take,' need to assess project workload, perform PERT estimation, T-shirt sizing, FPA, sprint planning, or quote-based effort breakdowns.

Upload files to Cloudflare R2, AWS S3, or any S3-compatible storage (like MinIO) and generate secure, time-limited presigned download links with configurable expiration, typically set to 5 minutes. Use when the user needs to upload a file to cloud storage and get a shareable link, or mentions R2, S3, presigned URLs, temporary links, or file uploads with expiration.

Run regression analysis (OLS or logistic) on uploaded CSV/Excel data, generating coefficients, R², p-values, VIF, and plain-language interpretation. Triggered by requests for regression modeling, fitting data, testing significance, checking multicollinearity, or keywords like OLS, logit, coefficient, p-value, or R-squared.

Builds compliance checklists for business scenarios involving GDPR, PIPL, or advertising/data laws. Outputs a structured checklist with check items, legal basis, risk levels, and actionable recommendations. Triggered by requests like \"run a compliance check,\" \"GDPR/PIPL compliance,\" \"pre-launch review,\" \"privacy impact assessment (PIA/DPIA),\" or asking if a feature is compliant.

Deep analysis of Git history: identify frequently changed hotspot files, analyze code ownership by contributor, and scan for leaked secrets. Triggered when users ask about Git analysis, code hotspots, who owns what code, secret scanning, security audits of commit history, or optimizing code review assignments.

Create retro tech art style visual content including images, illustrations, and design documents. Covers Synthwave, Vaporwave, Cyberpunk, retro comics, and retro-futuristic aesthetics. Use for neon-grid landscapes, pixel art, vaporwave scenes, CRT and halftone effects, color palettes, and typography systems for nostalgic 80s/90s tech-noir projects.

Generates RESTful API documentation (OpenAPI 3.0 / Swagger spec) by scanning route definitions in code for Flask, FastAPI, Express, Gin, and other frameworks. Trigger when users ask about API documentation, OpenAPI, Swagger, endpoint docs, generating docs from code, or extracting endpoints.

SaaS financial health advisor. Use when a user shares revenue or customer numbers, or mentions ARR, MRR, churn, LTV, CAC, NRR, or asks how their SaaS business is doing.

Polishes academic English paragraph by paragraph, reviewing grammar, word choice, voice, coherence, and sentence structure. Outputs revision suggestions alongside polished text. Triggered by phrases like 'polish this paragraph,' 'check the grammar,' 'rewrite in academic English,' or keywords like manuscript editing, SCI polishing, and journal submission editing.

Structured guidance for composing, formatting, and presenting scientific research papers for top-tier venues (CVPR, ICCV, NeurIPS, ICML, ACL, ICLR, etc.). Covers the full workflow: section-by-section drafting, figure and table design, LaTeX typography, narrative logic, and submission-ready polishing. Use to write, revise, or format a manuscript into camera-ready or preprint PDF.

This skill should be used when scientists need help with research problem selection, project ideation, troubleshooting stuck projects, or strategic scientific decisions. Use this skill when users ask to pitch a new research idea, work through a project problem, evaluate project risks, plan research strategy, navigate decision trees, or get help choosing what scientific problem to work on. Typical requests include "I have an idea for a project", "I'm stuck on my research", "help me evaluate th...

Systematically reviews code for SQL injection, XSS, SSRF, broken access control, cryptographic failures, and other common OWASP Top 10 vulnerabilities, providing vulnerable code examples and ready-to-use remediation guidance. Trigger this skill when users ask for a security review, vulnerability scan, or penetration testing assistance, or mention keywords like OWASP, SQL injection, XSS, code audit, or security checklist.

When the user wants to audit, review, or diagnose SEO issues on their site. Also use when the user mentions "SEO audit," "technical SEO," "why am I not ranking," "SEO issues," "on-page SEO," "meta tags review," "SEO health check," "my traffic dropped," "lost rankings," "not showing up in Google," "site isn't ranking," "Google update hit me," "page speed," "core web vitals," "crawl errors," or "indexing issues." Use this even if the user just says something vague like "my SEO is bad" or "help ...

Creates keyword-optimized SEO content like blog posts, articles, product descriptions, and landing pages, using a 12-step workflow that includes title optimization, meta descriptions, header hierarchy, and a full CORE-EEAT checklist. Triggered by requests to 'write SEO content', 'create a blog post', 'draft a how-to guide', or 'write a 2000-word article about [topic]'.

Agile Sprint planning assistant that builds actionable plans by selecting scope based on team capacity and historical velocity, breaking down stories into estimated tasks, analyzing dependencies, and balancing workloads. Triggers when a user asks for Sprint Planning, iteration scoping, story/task assignment, workload balancing, dependency analysis, or team capacity calculation.

Translate natural language to SQL, optimize query performance, and interpret EXPLAIN plans for SQLite and PostgreSQL. Triggered when users ask to convert questions into SQL, improve slow queries, tune indexes, analyze execution plans, or mention keywords like NL2SQL, query tuning, or full table scan.

Generate securities research reports in Guotai Haitong / Haitong International style. Use for Chinese equity research, industry tracking, investment notes, and financial research documents. Triggers on mentions of Guotai Haitong, Haitong International, industry tracking, equity research, or securities research. Supports domestic and international templates.

Analyzes OHLCV data to compute 15+ technical indicators (including MA, MACD, RSI, Bollinger Bands, KDJ) and generates a bullish/bearish signal summary with an overall assessment. Triggered when users request technical analysis, ask to calculate indicators like MACD or RSI, mention candlestick analysis, or discuss signals from moving average crossovers, Bollinger Band breakouts, or RSI overbought/oversold levels.

Generates an interactive HTML user story map visualizing product requirements in an Epic → Feature → Story structure, with MoSCoW priority tagging and Release swimlane grouping. Trigger when the user mentions story mapping, backlog visualization, MoSCoW priority, release planning, or asks to organize requirements into a story map.

Transforms raw meeting materials (transcripts, notes, chat logs) into structured minutes by automatically extracting agenda topics, discussion highlights, decisions, and action items with owners and deadlines. Use when a user provides a transcript, notes, or chat log and asks to create meeting minutes, summarize a meeting, extract action items, recap a discussion, or clean up a transcript.

Analyzes sunlight and shadows for architectural design, generating sun path diagrams, solar position data, shadow plots, and thermal comfort charts. Triggered by requests about sun position, shadow analysis, annual sun hours, or diagrams for a specific location and time.

Generate professional customer support replies for pre-sale, after-sale, complaints, and returns, including emotional de-escalation strategies. Triggered by requests like \"help me write a support reply,\" \"the customer is furious,\" or \"how to word a return response.

Operational traps for Terraform provisioners, multi-environment isolation, and zero-to-deployment reliability. Covers provisioner timing races, SSH connection conflicts, DNS record duplication, volume permissions, database bootstrap gaps, snapshot cross-contamination, Cloudflare credential format errors, hardcoded domains in Caddyfiles/compose, and init-data-only-on-first-boot pitfalls. Activate when writing null_resource provisioners, creating multi-environment Terraform setups, debugging co...

Test-driven development with red-green-refactor loop. Use when user wants to build features or fix bugs using TDD, mentions "red-green-refactor", wants integration tests, or asks for test-first development.