Skill Catalog
Certified AI Skills for Claude Code, Codex, OpenClaw, and Google Antigravity
Every skill in the catalog is Nexus Certified - built, tested, and validated on every required platform before it ships. Browse individually or save with a bundle.
AllResearch & IntelligenceContent & MarketingSales & Revenue OperationsPeople OperationsFinance & ComplianceBusiness OperationsProduct & DesignSoftware DevelopmentDevOps & Security
Showing 61-90 of 200+ skills.
Infrastructure & Reliability
Observability Bootstrapper
Adds structured logging with trace IDs, Prometheus metrics, OpenTelemetry tracing, and baseline alert rules to any service. Useful for making services observable by default instead of as an afterthought.
Claude CodeCodexOpenClawGoogle Antigravity
observabilityopentelemetrymetrics
$9.99
One-time license
Infrastructure & Reliability
Secret Rotation Assistant
Maps all secret usage locations, generates rotation scripts, and produces a zero-downtime rotation checklist per secret type. Useful for addressing the highest-risk operational security gap.
Claude CodeCodexOpenClawGoogle Antigravity
secretsrotationsecurity
$9.99
One-time license
Infrastructure & Reliability
Environment Parity Auditor
Compares development, staging, and production environment configurations and flags discrepancies in env vars, service versions, feature flags, and secrets. Useful for preventing 'works in staging, breaks in prod' incidents.
Claude CodeCodexOpenClawGoogle Antigravity
environmentsconfigurationparity
$9.99
One-time license
Infrastructure & Reliability
Infrastructure Drift Detector
Compares declared infrastructure with actual cloud resources and reports drift with severity classification and remediation recommendations. Useful for catching IaC drift before it causes production surprises.
Claude CodeCodexOpenClawGoogle Antigravity
infrastructureterraformdrift
$9.99
One-time license
Testing & QA
Mutation Testing Driver
Runs mutation testing to assess whether the test suite would catch small deliberate bugs, then reports mutation survival rate and prioritized test improvements. Useful for measuring real test quality beyond line coverage.
Claude CodeCodexOpenClawGoogle Antigravity
testingmutation-testingquality
$9.99
One-time license
Testing & QA
Test Data Builder
Generates language-native test data factories with edge cases, nulls, extremes, and locale variations for any data model. Useful for building tests that reflect real-world inputs instead of toy fixtures.
Claude CodeCodexOpenClawGoogle Antigravity
testingfixturestest-data
$9.99
One-time license
Testing & QA
E2E Scenario Generator
Converts a user story or product requirement into a complete Playwright, Cypress, or Selenium E2E scenario with setup, assertions, and failure diagnostics. Useful for automating the most time-consuming part of QA.
Claude CodeCodexOpenClawGoogle Antigravity
testinge2eplaywright
$9.99
One-time license
Testing & QA
API Contract Enforcer
Validates that code changes do not silently break API contracts, checking schemas, status codes, and backward compatibility with severity-rated breaking-change reports. Useful for microservices teams preventing cross-service regressions.
Claude CodeCodexOpenClawGoogle Antigravity
apicontractsbreaking-changes
$9.99
One-time license
AI Engineering
LLM Prompt Optimizer
Analyzes prompt templates for token inefficiency, ambiguity, missing examples, and poor output specification, producing an optimized version with cost and quality deltas. Useful for teams running LLM-backed features in production.
Claude CodeCodexOpenClawGoogle Antigravity
llmpromptsoptimization
$9.99
One-time license
AI Engineering
RAG Pipeline Builder
Generates a complete RAG pipeline with chunking strategy, embedding model selection, vector store setup, hybrid retrieval, and a quality evaluation harness. Useful for standing up production RAG without expert-level tuning.
Claude CodeCodexOpenClawGoogle Antigravity
ragllmretrieval
$9.99
One-time license
AI Engineering
Model Evaluation Harness
Generates a full ML model evaluation framework with task-appropriate metrics, evaluation datasets, baseline comparisons, and a populated model card. Useful for making ML evaluation a default step instead of a skipped one.
Claude CodeCodexOpenClawGoogle Antigravity
mlevaluationmetrics
$9.99
One-time license
Customer & Product
User Persona Builder
Synthesizes qualitative and quantitative research into structured user personas with goals, behaviors, pain points, and jobs-to-be-done. Useful for product and marketing teams aligning on target users.
Claude CodeCodexOpenClawGoogle Antigravity
productpersonasresearch
$9.99
One-time license
Customer & Product
Customer Interview Synthesizer
Processes customer interview transcripts into themed insights, recurring pain points, feature signals, and prioritized learnings. Useful for converting raw research hours into actionable product intelligence.
Claude CodeCodexOpenClawGoogle Antigravity
productcustomer-researchinterviews
$9.99
One-time license
Product Management
PRD Writer
Produces a structured product requirements document covering problem, users, success metrics, scope, user stories, and out-of-scope items. Useful for product managers scoping features before engineering starts.
Claude CodeCodexOpenClawGoogle Antigravity
productrequirementsprd
$9.99
One-time license
Customer & Product
Case Study Writer
Transforms customer interviews and usage data into polished case studies with challenge, approach, results, and quotable testimonials. Useful for marketing teams building proof-ready collateral.
Claude CodeCodexOpenClawGoogle Antigravity
marketingcase-studiescustomer-success
$9.99
One-time license
July 2026 Skill Drop
AI Workflow Verification Matrix
Teams shipping agentic workflows need a repeatable way to verify step behavior, edge cases, and fallback paths before launch, but they usually test ad hoc and miss failure chains.
Claude CodeCodexOpenClawGoogle Antigravity
workflow-qaworkflowverification
$9.99
One-time license
July 2026 Skill Drop
Prompt Injection Threat Map
Agent workflows that ingest web pages, tickets, or docs need a way to trace prompt-injection exposure across steps, but most teams only notice the issue after a bad run.
Claude CodeCodexOpenClawGoogle Antigravity
agent-securitypromptinjection
$9.99
One-time license
July 2026 Skill Drop
n8n Template Adaptation Brief
Teams copy public automation templates, but they still need a concise adaptation plan to fit internal systems, credentials, naming, and review gates before deployment.
Claude CodeCodexOpenClawGoogle Antigravity
integration-designtemplateadaptation
$9.99
One-time license
July 2026 Skill Drop
Multi-Agent Handoff Contract
As teams chain multiple agents or tools together, they need a clear handoff contract for inputs, outputs, validation, and ownership, but these boundaries are usually implicit.
Claude CodeCodexOpenClawGoogle Antigravity
orchestrationmultiagent
$9.99
One-time license
July 2026 Skill Drop
Grounded Answer Citation Audit
Teams using RAG and document chat need to confirm that answers are actually supported by cited sources, yet many outputs look plausible without being grounded.
Claude CodeCodexOpenClawGoogle Antigravity
quality-assurancegroundedanswer
$9.99
One-time license
Performance & Talent
360 Feedback Summarizer
Builds a performance and coaching artifact for 360 feedback summarizer work, turning feedback, performance notes, or coaching context, role expectations and calibration criteria, and sensitivity, confidentiality, and HR review constraints into reviewer-theme clustering, confidential quote handling, and development strength and blind-spot separation.
Claude CodeCodexOpenClawGoogle Antigravity
360feedbacksummarizer
$9.99
One-time license
Design & UX
Accessibility Design Review
Builds a design review artifact for accessibility design review work, turning screen, flow, copy, or design spec, target user and task context, and accessibility, responsive, and content constraints into accessibility user-task friction map, design accessibility and state coverage check, and review design handoff recommendation.
Claude CodeCodexOpenClawGoogle Antigravity
accessibilitydesignreview
$9.99
One-time license
Account Management & Renewals
Account Expansion Narrative
Builds an account-ready commercial narrative for account expansion narrative work, turning account history and current usage pattern, stakeholder roles, objections, and renewal timing, and expansion, retention, or pricing constraints into account stakeholder influence map, expansion renewal or expansion value hypothesis, and narrative commercial next-step recommendation.
Claude CodeCodexOpenClawGoogle Antigravity
accountexpansionnarrative
$9.99
One-time license
Account Management & Renewals
Account Plan Writer
Builds an account-ready commercial narrative for account plan writer work, turning account history and current usage pattern, stakeholder roles, objections, and renewal timing, and expansion, retention, or pricing constraints into account stakeholder influence map, plan renewal or expansion value hypothesis, and management commercial next-step recommendation.
Claude CodeCodexOpenClawGoogle Antigravity
accountplanwriter
$9.99
One-time license
Invoicing & Receivables
Accounts Receivable Aging Brief
Builds a receivables action artifact for accounts receivable aging brief work, turning invoice, payment, dispute, or aging data, customer history and commercial terms, and collection tone and escalation limits into accounts receivable-aging classification, receivable payment-risk and dispute framing, and aging collections-safe communication step.
Claude CodeCodexOpenClawGoogle Antigravity
accountsreceivableaging
$9.99
One-time license
AI Engineering
Agent Tool Contract Reviewer
Builds an agent-engineering review artifact for agent tool contract reviewer work, turning agent workflow, prompt, tool, or eval artifact, expected behavior and failure examples, and model, tool-call, and approval constraints into agent tool-contract boundary check, tool prompt or evaluation failure mode, and contract agent implementation acceptance test.
Claude CodeCodexOpenClawGoogle Antigravity
agenttoolcontract
$9.99
One-time license
Observability & Monitoring
Alert Rule Quality Audit
Builds an observability improvement brief for alert rule quality audit work, turning alerts, dashboards, logs, or incident examples, service objective and failure mode, and noise, coverage, and routing pain points into alert signal-to-failure-mode mapping, rule alert quality and noise review, and quality monitoring remediation path.
Claude CodeCodexOpenClawGoogle Antigravity
alertrulequality
$9.99
One-time license
Customer Communications
Appointment Confirmation Sequencer
Builds a customer-response copy set for appointment confirmation sequencer work, turning customer scenario and trigger event, approved response facts and policy limits, and channel, tone, and escalation expectations into appointment detail verification, arrival-prep instruction clarity, and reschedule and cancellation path.
Claude CodeCodexOpenClawGoogle Antigravity
appointmentconfirmationsequencer
$9.99
One-time license
Security Scanning
Authorization Boundary Auditor
Builds a security review artifact for authorization boundary auditor work, turning code, route, policy, or architecture surface, auth model and trust boundaries, and known roles, resources, and access rules into authorization authorization boundary map, boundary privilege and object-access check, and auditor security remediation evidence.
Claude CodeCodexOpenClawGoogle Antigravity
authorizationboundaryauditor
$9.99
One-time license
Database Reliability
Backup Restore Runbook Writer
Builds a database reliability runbook for backup restore runbook writer work, turning database topology, backup, restore, or capacity notes, RPO/RTO, durability, and access constraints, and recent incidents, migrations, or growth patterns into backup recovery-point and recovery-time check, restore data-loss and capacity risk review, and runbook operator verification sequence.
Claude CodeCodexOpenClawGoogle Antigravity
backuprestorerunbook
$9.99
One-time license
Bundles