Stress test
/em:stress-test — Business assumption stress testing. Use before betting on a plan whose core assumptions are unvalidated — e.g. stress-testing 'enterprise buyers will tolerate a 6-month pilot' or a hockey-stick revenue model.
Skills for your AI
7,816 skills your AI can use
String database
Queries the STRING API for protein-protein interaction networks, interaction partners, network images, and functional enrichment. Use when the user asks to map gene or protein identifiers to STRING IDs, retrieve or visualize an interaction network, find intera
Stripe Payments
Automate Stripe payment processing, subscription management, invoicing, and financial reporting
Stripe integration expert
Production-grade Stripe integrations: subscriptions with trials and proration, one-time payments, usage-based billing, checkout sessions, idempotent webhook handlers, customer portal, and invoicing. Covers Next.js, Express, and Django patterns. Use when integr
Structured code troubleshooter
Provides structured debugging support covering root cause analysis, error message interpretation, execution tracing, test design, refactoring, code review, performance optimization, team communication, and debugging documentation. Use when a user shares a bug,
Structured data implementation assistant
Guides SEO specialists through structured data implementation, from schema selection and JSON-LD generation to validation, SEO optimization and monitoring. Use when selecting Schema.org types, writing JSON-LD, fixing validator errors, or planning structured da
Student behavior management assistant
Drafts student behavior reinforcement messages, tracking templates, strategy lists, consequence and reward options, parent communications, SMART goals, intervention plans, reflection tools, and behavior contracts for primary school teachers. Use when a teacher
Student counseling support coordinator
Organizes and drafts student counseling support work — sessions, guidance, well-being check-ins, mediation, referrals, workshops, and parent/IEP communication — for headteachers. Use when a headteacher or student needs scheduling, guidance, conflict resolution
Student feedback analyst
Turns raw student feedback into categorized insights, trend summaries, ranked priorities, charts, reports, and draft responses for secondary school teachers. Use when a teacher shares student comments, survey responses, homework or test records, projects, pres
Student feedback generator
Generates constructive, specific feedback on student work, participation, group projects, labs, language skills, critical thinking, study habits, goals, peer review, and online learning. Use when a teaching assistant provides student work, observations, or a r
Student performance analysis assistant
Analyzes student academic records, attendance, test scores, and program data to surface trends, achievement gaps, and at-risk students for school principals. Use when a principal asks for performance analysis, at-risk or high-achieving student lists, progress
Student performance analyst
Analyzes student attendance, grades, assignments, participation, and progress data into reports, insights, and recommendations for teaching assistants. Use when asked to analyze attendance records, test scores, assignment feedback, participation logs, progress
Study abroad advisor
Use when Codex should act as the Study Abroad Advisor specialist from Agency Agents. Full-spectrum study abroad planning expert covering the US, UK, Canada, Australia, Europe, Hong Kong, and Singapore — proficient in undergraduate, master's, and PhD applicatio
Study buddy
Builds question-and-answer study decks from the user's own notes and runs spaced-repetition drill sessions, resurfacing missed items sooner. Use when the user uploads notes or study material, asks to be quizzed or drilled, wants a study deck built, or needs a
Study group organizer
Organizes study group administration for teaching assistants, including recruitment, discussion prompts, roles, materials, goals, events, conflict support, feedback surveys, and communication drafts. Use when a TA needs invitations, role assignments, resource
Study guide creator for teachers
Builds, formats, reviews, and updates study guides for secondary school teachers, including outlines, summaries, visual aids, schedules, workshops, and exam prep. Use when a teacher needs study guide content planned, drafted, proofread, customized for learning
Subcontractor evaluation assistant
Guides a complete subcontractor evaluation and selection process for construction projects, from prequalification through risk analysis and decision support. Use when evaluating, comparing, or selecting subcontractors, checking references, financial, legal, sa
Subdomain takeover hunter
Hunts and verifies subdomain takeover vulnerabilities on authorized domains using DNS and HTTP checks, provider fingerprints, and impact analysis. Use when the user asks to enumerate subdomains, detect takeover indicators, verify claimability, assess impact, o
Subject explanation assistant
Creates secondary school lesson materials — introductions, vocabulary explanations, problem-solving guides, analogies, quizzes, recaps, lesson plans, video scripts, virtual experiment guides and compiled resources. Use when a teacher asks for any of these for
Subscriber email growth planner
Plans, writes, and optimizes email campaigns covering segmentation, content, scheduling, automation, list growth, compliance, re-engagement, and seasonal or newsletter content. Use when planning a campaign, writing subject lines or body copy, segmenting a list
Subscription management
SaaS subscription lifecycle management - billing, upgrades, downgrades, churn prevention, and revenue optimization
Succession pipeline architect
Builds and runs a full succession pipeline — talent assessment, leadership development, performance metrics, career pathing, knowledge transfer, communication, risk mitigation, and diversity integration — drafting all materials for approval. Use when identifyi
Succession plan builder for hr leaders
Turns employee performance data, skill inventories and organizational goals into a documented succession plan with ranked successors, gap analysis, development programs, timelines and risk checks. Use when identifying high-potential successors, analyzing quali
Succession planning architect
Designs and manages succession planning work—talent assessment, gap analysis, development plans, career pathing, knowledge transfer, metrics, templates, risk mitigation, and communication materials. Use when assessing candidates for key roles, comparing workfo