Coding & Dev Tools
Coding agent skills teach AI agents repeatable engineering workflows: reviewing pull requests, writing tests, refactoring safely, and enforcing house style. Install one SKILL.md and your agent applies the same checklist every time, whether you use Claude Code, Cursor, Codex, or another agent.
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lev-os Skill Customs Protest Form19Drafts CBP Form 19 protests under 19 U.S.C. § 1514 and 19 C.F.R. Part 174 challenging tariff classification, valuation, origin, and trade preference decisions. Use when drafting customs protests, contesting liquidation decisions, or preparing Form 19 filings within the 180-day jurisdictional deadline.
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lev-os Bundle Deposition PreparationProduces a comprehensive deposition preparation package for taking or defending depositions in U.S. civil litigation. Use this skill whenever the user mentions deposition prep, depo outlines, witness examination planning, deposition strategy, cross-examination preparation, 30(b)(6) witness prep, expert deposition planning, impeachment materials, or asks for help preparing to take or defend any deposition. Also trigger when the user references FRCP 30, deposition notices, deposition exhibit strategy, witness profiling for depositions, or asks about deposition time allocation. Even if the user just says "I have a depo next week" or "help me prep for questioning this witness," use this skill.
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lev-os Skill Evaluating Green BondsStructures green bond analysis with use-of-proceeds verification, impact reporting, and ICMA alignment. Use when evaluating green bonds, verifying green credentials, or analyzing sustainable debt.
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lev-os Skill Ex Parte Seizure OrderDrafts U.S. ex parte seizure orders authorizing immediate property or asset seizure without notice. Enforces the four-factor ex parte standard, FRCP 65, Lanham Act seizure provisions (15 U.S.C. § 1116(d)), bond requirements, and due process safeguards. Use when drafting ex parte seizure orders, TRO-based asset seizure, or IP counterfeiting seizure orders in federal or state court.
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lev-os Skill Habeas Corpus PetitionDrafts federal and state habeas corpus petitions challenging unlawful detention on constitutional grounds under 28 U.S.C. §§ 2241, 2254, 2255 with AEDPA compliance, exhaustion tracking, and grounds-for-relief framing. Use when drafting habeas petitions, post-conviction relief filings, or challenging custody on constitutional grounds. Trigger keywords: habeas corpus, writ of habeas corpus, AEDPA, post-conviction relief, unlawful detention, exhaustion of remedies, ineffective assistance of counsel.
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lev-os Skill Incident Response PlanDrafts incident response plans and playbooks for legal organizations, adapting NIST SP 800-61 to law firm contexts including privilege preservation, ethics obligations, and state breach notification compliance. Use when creating IR plans, cybersecurity playbooks, breach response policies, or data incident procedures for law firms or legal departments.
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lev-os Skill Insider Trading PolicyDrafts a U.S. financial-services insider trading policy covering MNPI definitions, preclearance, blackout windows, 10b5-1 plan governance, restricted/watch lists, reporting, and enforcement. Use when creating or updating insider trading policies for broker-dealers, investment advisers, or investment companies. Triggers: insider trading policy, 10b5-1 plan, preclearance, restricted list, blackout period, Reg FD, MNPI.
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lev-os Bundle Legal Document LibraryUse when drafting from attorney-authored startup and technology templates for an advisor agreement, business associate agreement, cookie notice, U.S. or global data processing addendum, California offer letter, technology master services agreement, mutual or one-way NDA, U.S. or GDPR privacy policy, or terms of use.
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lev-os Skill Director Indemnification AgreementDrafts U.S. director indemnification agreements maximizing protection under state corporate law, with advancement of expenses and determination procedures. Use when drafting or updating a director indemnification agreement, onboarding directors, strengthening governance beyond bylaws, or coordinating with D&O coverage. Triggers: indemnification agreement, director advancement, corporate governance, D&O, DGCL 145.
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lev-os Skill Environmental Regulation SummariesGenerates structured summaries of U.S. environmental laws, compliance obligations, and permitting requirements for specific industries or projects. Covers federal statutes (CAA, CWA, RCRA, CERCLA, NEPA, ESA, TSCA), state analogs, and local requirements. Maps regulations to business activities including permitting, reporting, monitoring, and penalties. Use when advising on environmental compliance, assessing regulatory exposure, onboarding to a regulated industry, or building compliance programs for manufacturing, energy, construction, agriculture, mining, or waste management.
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lev-os Skill Evaluating Fintech Business ModelsStructures fintech company analysis with unit economics, customer acquisition, and regulatory moat assessment. Use when evaluating fintech companies, analyzing unit economics, or assessing fintech business models.
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lev-os Skill Interpreting Ambulatory MonitoringStructures Holter and event monitor interpretation with arrhythmia burden quantification. Use when reading Holter monitors, interpreting event recorders, or quantifying arrhythmia burden.
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lev-os Skill Interpreting Microbiology CulturesStructures microbiology result interpretation with susceptibility patterns and resistance mechanisms. Use when reading culture results, interpreting susceptibility data, or identifying resistance patterns.
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lev-os Skill Managing Abnormal Uterine BleedingGuides AUB evaluation using PALM-COEIN classification with workup algorithms. Use when evaluating abnormal bleeding, applying PALM-COEIN classification, or managing AUB workup.
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lev-os Skill Managing Board Financial ReportingStructures board-level financial packages with executive summary, strategic metrics, and forward outlook. Use when preparing board packages, creating executive financial summaries, or presenting financial results.
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lev-os Skill Managing Cardiac Imaging ProtocolsSelects appropriate cardiac imaging modality based on clinical question and pretest probability. Use when choosing cardiac imaging, selecting stress testing modality, or ordering cardiac CT/MRI.
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lev-os Skill Managing Cardiac Risk PreoperativeApplies ACC/AHA perioperative cardiac evaluation algorithm with functional capacity and risk indices. Use when performing cardiac preop evaluation, calculating RCRI, or assessing perioperative cardiac risk.
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lev-os Skill Managing Climate Scenario AnalysisStructures TCFD-aligned climate scenario analysis with transition and physical risk modeling. Use when conducting climate scenarios, modeling transition risk, or analyzing physical climate exposure.
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lev-os Skill Managing Credit And Lending WealthStructures wealth-based lending analysis with securities-backed, real estate, and art lending evaluation. Use when evaluating wealth lending, analyzing pledge portfolios, or structuring high-net-worth credit.
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lev-os Skill Long Bet ProjectMake accountable long-term predictions with skin in the game, forcing rigorous thinking about future outcomes through public commitments and charitable stakes
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lev-os Skill Maneuver WarfareStrategic framework emphasizing speed, agility, and disrupting opponent decision-making over direct attrition, achieving victory through superior tempo and indirect approaches
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lev-os Skill Map Vs TerritoryDistinguish between mental models (maps) and reality (territory) to avoid confusing representations with the actual thing
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lev-os Skill Margin Of SafetyBuild protective buffers, safety factors, and error tolerance into decisions by requiring significant discount between price and intrinsic value - create multiple layers of protection when facing uncertainty, irreversible commitments, or high-cost failures in investing, engineering, and project planning
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lev-os Skill Marginal UtilityThe additional satisfaction or benefit derived from consuming one more unit of a good or service, which typically decreases with each additional unit consumed
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lev-os Skill Mechanism DesignReverse game theory that engineers rules and incentive structures to achieve desired outcomes when participants have private information and self-interested motivations
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lev-os Skill Nash EquilibriumIdentify stable strategic outcomes where no player benefits from unilaterally changing their strategy - predict where competitive dynamics settle
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lev-os Skill Opportunity CostEvery choice has a hidden price - the value of the next best alternative you gave up to pursue it
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lev-os Skill Pareto PrincipleFocus on the vital few inputs generating disproportionate results while eliminating the trivial many consuming resources - identify high-leverage activities, power law distributions, and 80/20 patterns when prioritizing tasks, allocating resources, or optimizing productivity across business and personal domains
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lev-os Bundle Price ElasticityMeasure demand sensitivity when deciding to raise, lower, or maintain prices
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lev-os Skill Red Queen EffectRecognize competitive environments where you must continuously evolve just to maintain position - standing still means falling behind
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lev-os Skill Referral SystemsSystematic framework for designing customer referral programs with double-sided incentives, optimal timing, friction reduction, and AI-powered optimization
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lev-os Skill Solid PrinciplesWrite maintainable object-oriented code by following five design principles - Single Responsibility, Open-Closed, Liskov Substitution, Interface Segregation, Dependency Inversion
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lev-os Skill Source ConfusionDocument attribution in real-time when memory accurately recalls content but distorts its origin
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lev-os Skill SuperforecastingMake probabilistic predictions when strategic decisions require accurate risk assessment
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lev-os Skill Thinking In BetsFrame decisions as probability bets instead of certainties - separate decision quality from outcome quality to avoid resulting bias
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lev-os Skill Triz Nested DollPlace one object inside another, which is inside a third, maximizing space utilization and increasing system compactness
Frequently asked questions
What are Coding & Dev Tools agent skills?
Coding agent skills teach AI agents repeatable engineering workflows: reviewing pull requests, writing tests, refactoring safely, and enforcing house style. Install one SKILL.md and your agent applies the same checklist every time, whether you use Claude Code, Cursor, Codex, or another agent.
Which Coding & Dev Tools skills are most installed?
Popular Coding & Dev Tools skills on SkillMD right now include customs-protest-form19, habeas-corpus-petition, managing-credit-and-lending-wealth. Rankings shift as installs change; sort this page by "Most installs" for the live list.
Do Coding & Dev Tools skills work with Claude Code and Cursor?
Yes. Every skill here ships as a SKILL.md file, an open format that works in Claude Code, Claude.ai, Cursor, Codex, Windsurf, and 60+ other agents. Install one with npx skillmds@latest add <owner>/<name>, or copy the file into your agent's skills directory.