317 free, open-format skills for Claude Code, Cursor, Codex, and any agent that reads SKILL.md. Pull any skill with one CLI command, fork it, and make it yours.
Analyze A/B test results with statistical significance, sample size validation, confidence intervals, and ship/extend/stop recommendations.
Design statistically rigorous A/B tests for product features, UI changes, onboarding flows, and pricing experiments.
Plan, design, or implement an A/B test or experiment, or build a growth experimentation program.
Generates publication-quality figures for ML papers from research context. A free agent skill for Claude, Cursor, and Codex on the Knack
Generate a WCAG 2.2 accessibility audit checklist and remediation suggestions for any UI or design.
Implement WCAG 2.2 compliant interfaces with mobile accessibility, inclusive design patterns, and assistive technology support.
Framework for consolidating manufacturing account intelligence, buying centers, and pursuit strategy.
Score accounts, flag risks, and standardize remediation triggers. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Process account maintenance requests across the full account lifecycle. A free agent skill for Claude, Cursor, and Codex on the Knack
Embed compliance controls into account opening workflows and verify regulatory readiness.
Design and operate back-office account opening processes from application intake through activation.
Build a structured account plan for any key customer or target account. A free agent skill for Claude, Cursor, and Codex on the Knack
Defining ABM tiers, scoring logic, and coverage rules. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Process and manage account transfers between and within financial institutions. A free agent skill for Claude, Cursor, and Codex on the
Create forensically sound bit-for-bit disk images using dd and dcfldd while preserving evidence integrity through hash verification.
Link segments and insights to GTM plays, owners, and measurement plans. A free agent skill for Claude, Cursor, and Codex on the Knack
Generate, iterate, or scale ad creative — headlines, descriptions, primary text, or full ad variations — for any paid advertising platform.
How to use the Adaptyv Bio Foundry API and Python SDK for protein experiment design, submission, and results retrieval.
Structured guide for designing and executing customer adoption programs. A free agent skill for Claude, Cursor, and Codex on the Knack
Wants help with paid advertising campaigns on Google Ads, Meta (Facebook/Instagram), LinkedIn, Twitter/X, or other ad platforms.
Ensure investment advertising and marketing materials comply with SEC Marketing Rule and FINRA Rule 2210.
Determine when a product, platform, or communication crosses the regulatory line from education into investment advice requiring
Design, build, and optimize dashboards for RIA practice management with AUM tracking, revenue analytics, and KPI frameworks.
Designing and scaling reference, story, advisory, or community programs. A free agent skill for Claude, Cursor, and Codex on the Knack
Scoring and governance framework for managing reference customers and advocacy cohorts.
Identify, score, and prioritize customer advocates for programs. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
This skill should be used for time series machine learning tasks including classification, regression, clustering, forecasting, anomaly
Operational 2026 GEO / agentic-SEO playbook: surface-decoupling math, llms.txt + Bing-only signals, citation factors, the March 2026 core
Creates and maintains concise AGENTS.md and CLAUDE.md project instruction files. A free agent skill for Claude, Cursor, and Codex on the
Build AI agents on Cloudflare Workers using the Agents SDK. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
EU AI Act per-system inventory — track each AI system's role (provider, deployer, importer, distributor, authorized representative, product
Structure AI and ML product decisions with the rigour of any product decision. A free agent skill for Claude, Cursor, and Codex on the
Optimize content for AI search engines, get cited by LLMs, or appear in AI-generated answers.
Detects when Luminance, Kira, or a similar bulk-review tool is in use, hands off the high-volume clause extraction to it, and QAs its
Run an AI impact assessment — structured intake, risk analysis, regulatory classification per regime in scope, policy consistency diff, and
Build production Apache Airflow DAGs with best practices for operators, sensors, testing, and deployment.
Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration.
Analyze alternative investments including hedge funds, private equity, and venture capital.
Structure vague opportunities and unclear briefs into actionable one-page problem statements.
Trace how a contract has changed across its base agreement and all amendments — either a summary of all changes over time, or a provision
Set up, improve, or audit analytics tracking and measurement. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Analyze and prioritize a list of feature requests by theme, strategic alignment, impact, effort, and risk.
Detect dangerous ACL misconfigurations in Active Directory using ldap3 to identify GenericAll, WriteDACL, and WriteOwner abuse paths.
Perform static analysis of Android APK malware samples using apktool for decompilation, jadx for Java source recovery, and androguard for
Parses API Gateway access logs (AWS API Gateway, Kong, Nginx) to detect BOLA/IDOR attacks, rate limit bypass, credential scanning, and
Analyze advanced persistent threat (APT) group techniques using MITRE ATT&CK Navigator to create layered heatmaps of adversary TTPs for
Queries Azure Monitor activity logs and sign-in logs via azure-monitor-query to detect suspicious administrative operations, impossible
Analyzes bootkit and advanced rootkit malware that infects the Master Boot Record (MBR), Volume Boot Record (VBR), or UEFI firmware to gain
Analyze Chromium-based browser artifacts using Hindsight to extract browsing history, downloads, cookies, cached content, autofill data
Campaign attribution analysis involves systematically evaluating evidence to determine which threat actor or group is responsible for a
Monitor Certificate Transparency logs using crt.sh and Certstream to detect phishing domains, lookalike certificates, and unauthorized
Detect abnormal access patterns in AWS S3, GCS, and Azure Blob Storage by analyzing CloudTrail Data Events, GCS audit logs, and Azure
Extract and analyze Cobalt Strike beacon configuration from PE files and memory dumps to identify C2 infrastructure, malleable profiles
Parse and analyze Cobalt Strike Malleable C2 profiles using dissect.cobaltstrike and pyMalleableC2 to extract C2 indicators, detect evasion
Analyzes malware command-and-control (C2) communication protocols to understand beacon patterns, command structures, data encoding, and
Analyzes intrusion activity against the Lockheed Martin Cyber Kill Chain framework to identify which phases an adversary has completed
Data structure for annotated matrices in single-cell analysis. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Generate an Ansoff Matrix analysis mapping growth strategies across market penetration, market development, product development, and
Guide BSA/AML compliance program design and operation for broker-dealers, banks, and investment advisers.
Guides stable API and interface design. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers.
Write clear, developer-facing API documentation. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Style and formatting rules for API/SDK documentation, samples, and tutorials. A free agent skill for Claude, Cursor, and Codex on the Knack
Compiles any research input — PDF papers, GitHub repositories, experiment logs, code directories, or raw notes — into a complete
Records research provenance as a post-task epilogue, scanning conversation history at the end of a coding or research session to extract
Performs ARA Seal Level 2 semantic epistemic review on Agent-Native Research Artifacts, scoring six dimensions (evidence relevance
Infer gene regulatory networks (GRNs) from gene expression data using scalable algorithms (GRNBoost2, GENIE3).
Create an Architecture Decision Record (ADR) for any technical decision. A free agent skill for Claude, Cursor, and Codex on the Knack
Write and maintain Architecture Decision Records (ADRs) following best practices for technical decision documentation.
Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design.
Audit or optimize an App Store or Google Play listing. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Determine how to distribute capital across asset classes using strategic and tactical allocation frameworks.
Manage co-marketing asset reviews with traceable evidence and SLAs. A free agent skill for Claude, Cursor, and Codex on the Knack
Managing asset metadata, dependencies, and delivery workflows across teams. A free agent skill for Claude, Cursor, and Codex on the Knack
Extract and risk-rate hidden assumptions in a product brief or PRD. A free agent skill for Claude, Cursor, and Codex on the Knack
Comprehensive Python library for astronomy and astrophysics. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Build comprehensive attack trees to visualize threat paths. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Define measurement, data sharing, and ROI reporting for joint campaigns. A free agent skill for Claude, Cursor, and Codex on the Knack
Standard operating guide for campaign tagging, attribution models, and QA. A free agent skill for Claude, Cursor, and Codex on the Knack
PyTorch library for audio generation including text-to-music (MusicGen) and text-to-sound (AudioGen).
Check installed community skills for updates. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Autonomous AI agent platform for building and deploying continuous agents. A free agent skill for Claude, Cursor, and Codex on the Knack
Orchestrates end-to-end autonomous AI research projects using a two-loop architecture.
Observe the user's screen via screenpipe, detect repeated research workflows, match them against existing scientific-agent-skills, and
Activation-aware weight quantization for 4-bit LLM compression with 3x speedup and minimal accuracy loss.
Expert guidance for fine-tuning LLMs with Axolotl - YAML configs, 100+ models, LoRA/QLoRA, DPO/KTO/ORPO/GRPO, multimodal support.
Bar prep questions — MBE or essay, targeted at your weak subjects and bar jurisdiction.
Template system for building, tagging, and distributing competitive battlecards. A free agent skill for Claude, Cursor, and Codex on the
Standardize competitive positioning, objection handling, and talk tracks across teams.
Identify the first beachhead market segment for a product launch. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Benchling R&D platform integration. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Determine how much capital to allocate to individual positions within a portfolio.
Search scientific papers and retrieve structured experimental data extracted from full-text studies via the BGPT MCP server.
Working with Brain Imaging Data Structure (BIDS) datasets: organizing neuroscience and biomedical data (MRI, EEG, MEG, iEEG, PET
Comprehensive molecular biology toolkit. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Unified Python interface to 40+ bioinformatics services. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Vision-language pre-training framework bridging frozen image encoders and LLMs. A free agent skill for Claude, Cursor, and Codex on the
Write, review, and improve blog posts for the Sentry engineering blog following Sentry's specific writing standards, voice, and quality bar.
Build the storyline and slide structure for a board presentation. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Drafts board or committee meeting minutes in your house format. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Narrative and artifact system for preparing SaaS board/investor updates. A free agent skill for Claude, Cursor, and Codex on the Knack
Guide the design and maintenance of recordkeeping programs under SEC Rules 17a-3, 17a-4, and 204-2.
Design experiments to test assumptions for an existing product — prototypes, A/B tests, spikes, and other low-effort validation methods.
Design lean startup experiments (pretotypes) for a new product. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Brainstorm product ideas for an existing product using multi-perspective ideation from PM, Designer, and Engineer viewpoints.
Brainstorm feature ideas for a new product in initial discovery from PM, Designer, and Engineer perspectives.
Brainstorm team-level OKRs aligned with company objectives — qualitative objectives with measurable key results.
You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior.
Guides researchers through structured ideation frameworks to discover high-impact research directions.
Manage brand guidelines, approvals, and ongoing refresh cadence. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Operating system for intake, approvals, QA, and training across brand stakeholders.
Review voice, visual, legal, and partner requirements before publishing social content.
Write copy following Sentry brand guidelines. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
KPI framework and reporting system for tracking brand health, consistency, and impact.
Messaging and storytelling template that keeps positioning consistent across audiences.
Tone, diction, and phrasebook system for consistent writing + localization. A free agent skill for Claude, Cursor, and Codex on the Knack
Draft a brief section in house style, consistent with the case theory — every fact cited, every case checked, every argument tied to the
Tests in real browsers via Chrome DevTools MCP. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Reallocating spend across channels/ad sets or setting guardrails to stay on plan.
Produce a structured budget variance analysis from actual vs budget figures. A free agent skill for Claude, Cursor, and Codex on the Knack
Help a clinic supervisor author a practice-area guide that configures how student-facing skills behave — intake questions, pedagogy posture
Generate a Business Model Canvas with all 9 building blocks. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Spacing, sequencing, and pacing multi-touch email programs. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Enforce cadence rules, timezone coverage, and operational controls on social calendars.
Score calls, capture highlights, and convert insights into actions. A free agent skill for Claude, Cursor, and Codex on the Knack
Structure concise call briefs with objectives, agendas, and role assignments. A free agent skill for Claude, Cursor, and Codex on the Knack
Capture, tag, and distribute call clips for coaching and enablement programs. A free agent skill for Claude, Cursor, and Codex on the Knack
Facilitate structured call review sessions with agendas, scorecards, and follow-ups.
Structuring paid media campaigns/ad sets to balance testing, delivery, and optimization constraints.
Create beautiful visual art in .png and .pdf documents using a structured design philosophy.
Brief a case in your preferred format. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Draft a cease-and-desist letter (send mode) or triage one you received (receive mode).
Query the CELLxGENE Census (61M+ cells) programmatically. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Create a structured change management plan for any organisational change. A free agent skill for Claude, Cursor, and Codex on the Knack
Automate changelog generation from commits, PRs, and releases following Keep a Changelog format.
Convert a git log, commit list, or release notes into a polished, user-facing changelog.
Extract pixel-level data from an image of a chart or graph and produce a structured data table.
Open-source embedding database for AI applications. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Build or update a chronology from declared document sources and uploads — dated events extracted, de-duped, and tagged by significance per
Analyse customer churn for a product or cohort and produce a structured churn report.
Reduce churn, build cancellation flows, set up save offers, recover failed payments, or implement retention strategies.
Automates CI/CD pipeline setup. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Write a CI/CD pipeline playbook for a service or team. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Google quantum computing framework. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Comprehensive citation management for academic research. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Build or review an element chart — a patent claim chart (infringement, invalidity, or review) or a civil element chart for any cause of
Build, debug, and optimize Claude API / Anthropic SDK apps with prompt caching. A free agent skill for Claude, Cursor, and Codex on the
Analyze a repository to generate recommended Claude Code settings.json permissions.
Trademark clearance first pass — knockout + similar-marks check producing a flag list, not a clearance opinion.
Log a client communication — call, email, text, letter, in-person, voicemail. A free agent skill for Claude, Cursor, and Codex on the Knack
Guide the creation, content, and delivery of required client disclosure documents for investment advisers and broker-dealers.
Structured intake — practice-area templates, cross-area issue spotting, conflict flags, and triage classification.
Routine client correspondence from templates — appointment confirmations, document requests, brief "we filed it" updates.
Design and implement end-to-end client onboarding workflows from prospect intake through funded account, covering KYC verification
Write a structured clinical case summary or case presentation. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Generate professional clinical decision support (CDS) documents for pharmaceutical and clinical research settings, including patient cohort
Write comprehensive clinical reports including case reports (CARE guidelines), diagnostic reports (radiology/pathology/lab), clinical trial
What's blocking close — maintain the closing checklist with status, critical path, and days to close.
Comprehensive Cloudflare platform skill covering Workers, Pages, storage (KV, D1, R2), AI (Workers AI, Vectorize, Agents SDK), feature
Send and receive transactional emails with Cloudflare Email Service (Email Sending + Email Routing).
Find co-marketing partners, plan joint campaigns, or brainstorm partnership opportunities.
Constraint-based metabolic modeling (COBRA). A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Use this skill whenever a user specifically requests legal research or Westlaw Deep Research, asks for CoCounsel Legal or cocounsel legal
Perform code reviews following Sentry engineering practices. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Conducts multi-axis code review. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Priority-ordered PR review: correctness first, then boundaries, security touch, testability, reversibility.
Master effective code review practices to provide constructive feedback, catch bugs early, and foster knowledge sharing while maintaining
Simplifies code for clarity. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Simplifies and refines code for clarity, consistency, and maintainability while preserving all functionality.
Prep for a cold-call — predict the professor's likely questions and drill them Socratically, flagging where you're shaky so you know what
Write B2B cold emails and follow-up sequences that get replies. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Run the cold-start interview — learns your AI governance practice and writes
ALWAYS use this skill when committing code changes — never commit directly without it.
Build and leverage online communities to drive product growth and brand loyalty. A free agent skill for Claude, Cursor, and Codex on the
Analyze competitors and create competitive landscape documentation with feature matrices, positioning maps, and strategic recommendations.
Monitor competitor signals and surface strategic implications for your roadmap. A free agent skill for Claude, Cursor, and Codex on the
Research, profile, or analyze competitors from their URLs. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Create competitor comparison or alternative pages for SEO and sales enablement. A free agent skill for Claude, Cursor, and Codex on the
Run a multi-perspective Mind Council deliberation on any question, decision, or creative challenge.
Plan a content strategy, decide what content to create, or figure out what topics to cover.
Optimizes agent context setup. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Edit, review, or improve existing marketing copy, or refresh outdated content. A free agent skill for Claude, Cursor, and Codex on the
Write, rewrite, or improve marketing copy for any page — including homepage, landing pages, pricing pages, feature pages, about pages, or
Create a git branch following Sentry naming conventions. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Optimize, improve, or increase conversions on any marketing page or form — including homepage, landing pages, pricing pages, feature pages
Conduct, analyze, or synthesize customer research. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Distributed computing for larger-than-RAM pandas/NumPy workflows. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Implement data quality validation with Great Expectations, dbt tests, and data contracts.
Search 78 public scientific, biomedical, materials science, and economic databases via REST APIs.
Pythonic wrapper around RDKit with simplified interface and sensible defaults. A free agent skill for Claude, Cursor, and Codex on the
Master dbt (data build tool) for analytics engineering with model organization, testing, documentation, and incremental strategies.
Guides systematic root-cause debugging. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Master systematic debugging techniques, profiling tools, and root cause analysis to efficiently track down bugs across any codebase or
Capture one decision in an ADR-style record: alternatives, trade-offs, reversibility, and a revisit cue.
Molecular ML with diverse featurizers and pre-built datasets. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
NGS analysis toolkit. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Manage major dependency version upgrades with compatibility analysis, staged rollout, and comprehensive testing.
Design multi-stage CI/CD pipelines with approval gates, security checks, and deployment orchestration.
Query the Cancer Dependency Map (DepMap) for cancer cell line gene dependency scores (CRISPR Chronos), drug sensitivity data, and gene
Manages deprecation and migration. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Build scalable design systems with design tokens, theming infrastructure, and component architecture patterns.
Extract cognitive patterns and thinking fingerprints from any text. A free agent skill for Claude, Cursor, and Codex on the Knack
Diffusion-based molecular docking. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Submit their product to startup, SaaS, AI, agent, MCP, no-code, or review directories for backlinks, domain rating, and discovery.
Facing 2+ independent tasks that can be worked on without shared state or sequential dependencies.
Implement distributed tracing with Jaeger and Tempo to track requests across microservices and identify performance bottlenecks.
Django access control and IDOR security review. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Django performance code review. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
DNAnexus cloud genomics platform. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Guide users through a structured workflow for co-authoring documentation. A free agent skill for Claude, Cursor, and Codex on the Knack
Records decisions and documentation. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx files).
Subjects every non-trivial decision to a fresh-context adversarial review before it stands.
Create and review Cloudflare Durable Objects. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Create or optimize an email sequence, drip campaign, automated email flow, or lifecycle email program.
Master error handling patterns across languages including exceptions, Result types, error propagation, and graceful degradation to build
Comprehensive toolkit for protein language models including ESM3 (generative multimodal protein design across sequence, structure, and
Phylogenetic tree toolkit (ETE). A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
You have a written implementation plan to execute in a separate session with review checkpoints.
Create production-ready FastAPI projects with async patterns, dependency injection, and comprehensive error handling.
Find bugs, security vulnerabilities, and code quality issues in local branch changes.
Implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by
Plan, evaluate, or build a free tool for marketing purposes — lead generation, SEO value, or brand awareness.
Create distinctive, production-grade frontend interfaces. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Builds production-quality UIs. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Fetch unread GitHub notifications for open PRs where review is requested from a specified team or opened by a team member.
GitHub Actions security review for workflow exploitation vulnerabilities. A free agent skill for Claude, Cursor, and Codex on the Knack
Master advanced Git workflows including rebasing, cherry-picking, bisect, worktrees, and reflog to maintain clean history and recover from
Structures git workflow practices. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Create production-ready GitHub Actions workflows for automated testing, building, and deploying applications.
Implement GitOps workflows with ArgoCD and Flux for automated, declarative Kubernetes deployments with continuous reconciliation.
A three-pass workflow to rewrite AI-generated prose so it doesn't read like a language model wrote it.
Refines raw ideas into sharp, actionable concepts through structured divergent and convergent thinking.
Create, generate, edit, or optimize images for marketing — blog heroes, social graphics, product mockups, profile banners, listing visuals
Blameless postmortem template + workflow: timeline in UTC, contributing factors (not just 'human error'), owned action items, detection
Delivers changes incrementally. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Extracts what the user actually wants instead of what they think they should want.
Iterate on a PR until CI passes. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Hero + subhead + three feature sections + social proof + one CTA. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Plan a product launch, feature announcement, or release strategy. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Create, plan, or optimize a lead magnet for email capture or lead generation. A free agent skill for Claude, Cursor, and Codex on the Knack
A high-quality LinkedIn long-form post: one specific insight, concrete numbers, no engagement-bait scaffolding.
Five-pass triage of a research paper: claim, method, central table, limitations, skim-level skepticisms.
Needs marketing ideas, inspiration, or strategies for their SaaS or software product.
Apply psychological principles, mental models, or behavioral science to marketing.
Guide for creating high-quality MCP (Model Context Protocol) servers. A free agent skill for Claude, Cursor, and Codex on the Knack
Convert a transcript or notes into structured minutes: decisions (past tense), action items with owner + date, open questions with a path
Guided code-walk through Andrej Karpathy's nanoGPT — model.py, train.py, data prep.
Optimize post-signup onboarding, user activation, first-run experience, or time-to-value.
Diagnose broken or slow pandas: SettingWithCopyWarning, surprise NaN, merge row count drift, slow .apply().
Create or optimize in-app paywalls, upgrade screens, upsell modals, or feature gates.
Optimizes application performance. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Breaks work into ordered tasks. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Create or optimize popups, modals, overlays, slide-ins, or banners for conversion purposes.
Create and update pull requests following Sentry conventions. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Create data-driven presentation slides using React, Vite, and Recharts with Sentry branding.
Wants help with pricing decisions, packaging, or monetization strategy. A free agent skill for Claude, Cursor, and Codex on the Knack
Create or update their product marketing context document. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Create SEO-driven pages at scale using templates and data. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Creates, optimizes, and iteratively refines agent prompts, system prompts, developer prompts, and reusable prompt templates.
Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development.
Receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or technically questionable
Create, optimize, or analyze a referral program, affiliate program, or word-of-mouth strategy.
Analyze Sentry session replays to surface UX patterns, pain points, and user journeys for a given product area.
Completing tasks, implementing major features, or before merging to verify work meets requirements.
Implement modern responsive layouts using container queries, fluid typography, CSS Grid, and mobile-first breakpoint strategies.
Wants help with revenue operations, lead lifecycle management, or marketing-to-sales handoff processes.
Create sales collateral, pitch decks, one-pagers, objection handling docs, or demo scripts.
Build sandboxed applications for secure code execution. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Configure Static Application Security Testing (SAST) tools for automated vulnerability detection in application code.
Add, fix, or optimize schema markup and structured data on their site. A free agent skill for Claude, Cursor, and Codex on the Knack
Implement secure secrets management for CI/CD pipelines using Vault, AWS Secrets Manager, or native platform solutions.
Hardens code against vulnerabilities. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Security code review for vulnerabilities. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Audit, review, or diagnose SEO issues on their site. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Prepares production launches. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Optimize signup, registration, account creation, or trial activation flows. A free agent skill for Claude, Cursor, and Codex on the Knack
Plan, map, or restructure their website's page hierarchy, navigation, URL structure, or internal linking.
Create new skills, modify and improve existing skills, and measure skill performance.
Scan agent skills for security issues. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Create, synthesize, and iteratively improve agent skills following the Agent Skills specification.
Tools and constraints for creating animated GIFs optimized for Slack — size limits, frame-rate guidance, and animation concepts.
Define and implement Service Level Indicators (SLIs) and Service Level Objectives (SLOs) with error budgets and alerting.
Wants help creating, scheduling, or optimizing social media content for LinkedIn, Twitter/X, Instagram, TikTok, Facebook, or other
Grounds every implementation decision in official documentation. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Optimize Apache Spark jobs with partitioning, caching, shuffle optimization, and memory tuning.
Creates specs before coding. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Read EXPLAIN ANALYZE output: find the expensive node, identify the cause class (one of seven), propose a fix with its cost, verify with a
Master SQL query optimization, indexing strategies, and EXPLAIN analysis to dramatically improve database performance and eliminate slow
Take a list of projects and their related documentation, and organize them into the SRED format for submission.
Go back through the previous year of work and create a Notion doc that groups relevant links into projects that can then be documented as
Apply STRIDE methodology to systematically identify threats. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Executing implementation plans with independent tasks in the current session. A free agent skill for Claude, Cursor, and Codex on the Knack
Encountering any bug, test failure, or unexpected behavior, before proposing fixes.
Decompose complex tasks, design dependency graphs, and coordinate multi-agent work with proper task descriptions and workload balancing.
Build reusable Terraform modules for AWS, Azure, GCP, and OCI infrastructure following infrastructure-as-code best practices.
Implementing any feature or bugfix, before writing implementation code. A free agent skill for Claude, Cursor, and Codex on the Knack
Toolkit for styling artifacts with a theme (slides, docs, reports, HTML landing pages).
Map identified threats to appropriate security controls and mitigations. A free agent skill for Claude, Cursor, and Codex on the Knack
Multi-day trip planning: lock constraints, book in sequence (flights first), build days around anchors not back-to-back activities, leave
Master TypeScript's advanced type system including generics, conditional types, mapped types, template literals, and utility types for
Python typing exclusion worker: remove assigned mypy exclusion modules in small scoped batches, fix typing issues, run validation, and
Discovers and invokes agent skills. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Starting feature work that needs isolation from current workspace or before executing implementation plans - ensures an isolated workspace
Starting any conversation - establishes how to find and use skills, requiring Skill tool invocation before ANY response including
Weighted scorecard + five-area diligence (security, reliability, pricing, exit, roadmap) + recommendation memo.
About to claim work is complete, fixed, or passing, before committing or creating PRs - requires running verification commands and
Create, generate, or produce video content using AI tools or programmatic frameworks.
Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using React, Tailwind CSS, and shadcn/ui.
Analyzes web performance using Chrome DevTools MCP. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Toolkit for interacting with and testing local web applications using Playwright.
Turn commits, calendar, and brain-dump notes into a scannable 'shipped / in flight / blocked' weekly update for Slack or email.
Reviews and authors Cloudflare Workers code against production best practices. A free agent skill for Claude, Cursor, and Codex on the
Design durable workflows with Temporal for distributed systems. A free agent skill for Claude, Cursor, and Codex on the Knack marketplace.
Cloudflare Workers CLI for deploying, developing, and managing Workers, KV, R2, D1, Vectorize, Hyperdrive, Workers AI, Containers, Queues
You have a spec or requirements for a multi-step task, before touching code. A free agent skill for Claude, Cursor, and Codex on the Knack
Creating new skills, editing existing skills, or verifying skills work before deployment.