Helps choose a reusable application foundation by comparing actual workflow fit, ownership effort and alternatives to building from scratch.
business-project-foundations
Included files 4
SKILL.mdreferences/README.mdreferences/adoption-checklist.mdreferences/repositories.json
Helps you navigate an existing project by locating important files, system connections and the right place for a scoped change.
codebase-discovery
Included files 2
Shapes the smallest viable architecture around measurable requirements, explicit data ownership and the operational trade-offs your team faces.
architecture-planning
Included files 2
Converts a specification into ordered, reviewable delivery tasks with working user outcomes and explicit acceptance evidence.
task-breakdown
Included files 2
Implements server behavior in tested, coherent increments that preserve business rules, transaction integrity and visible failure states.
backend-implementation
Included files 2
Plans schema changes that preserve data and allow old and new application versions to coexist during transition.
database-migrations
Included files 2
Connects your application to other systems. Defines how they exchange data, handle errors and recover when a service is temporarily unavailable.
api-integration
Included files 2
Makes queued work safe to repeat and recover by treating duplicate delivery and partial completion as normal operational cases.
background-jobs
Included files 2
Connects logs, metrics and traces to concrete questions about failures, performance and user impact.
observability
Included files 2
Restructures legacy code in focused steps while recording current behavior and keeping intentional changes distinct from accidental regressions.
legacy-refactoring
Included files 2
Checks how your application handles sign-ins, forms, uploads and sensitive data. Helps prevent malicious input and unintended data exposure.
secure-coding
Included files 2
Builds tests for individual functions and complete workflows, helping catch errors and prevent previously fixed problems from returning.
testing-discipline
Included files 1
Keeps a code change complete but reviewable by following local conventions and limiting edits and dependencies to the requested outcome.
clean-changes
Included files 1
Allocates test effort according to the impact and likelihood of what a change could break.
risk-based-testing
Included files 2
Creates a visual direction rooted in the product’s subject, real content and audience while respecting an existing brand.
frontend-design
Included files 2
Turns designs into usable interfaces with clear loading and error states, reliable interactions and layouts that work on different screens.
frontend-ui-engineering
Included files 2
Helps people use your interface with a keyboard or screen reader, with readable contrast, clear labels and understandable error messages.
web-accessibility
Included files 1
Finds visible interface defects in real browser states, screen sizes and content extremes before a change is declared finished.
visual-qa
Included files 2
Builds consistent reusable interface foundations from the project's actual components, tokens and recurring needs.
design-system
Included files 2
Uses restrained animation to explain state changes and provide feedback while keeping frequent actions quick and accessible.
ui-motion
Included files 2
Turns a page’s communication need into an actionable image brief with composition, delivery formats and brand-specific constraints.
visual-asset-brief
Included files 1
Finds the real causes of slow page loading and delayed interactions, then checks improvements using comparable before-and-after measurements.
web-performance
Included files 1
Shapes a landing page around one clear visitor outcome, truthful evidence and a focused next action.
landing-page-conversion
Included files 1
Shapes complete mobile journeys around platform conventions, touch use, network conditions and clear feedback.
mobile-app-ux
Included files 1
Builds a coherent model of commercial documents and responsibilities so each business step retains its meaning and historical terms.
business-process-domain-modeling
Included files 1
Keeps operational and financial state consistent through separate lifecycle dimensions, exact quantities and corrections that preserve finalized history.
business-states-data-integrity
Included files 1
Verifies business features through connected document lifecycles and their exceptions, not just individual create or edit screens.
end-to-end-business-verification
Included files 1
Models lead conversion, deal stages and follow-up work without losing customer interaction history.
crm-sales-pipelines
Included files 1
Connects accepted quotations to orders and partial fulfillment while preserving agreed terms and accurate remaining billable quantities.
quotes-orders-fulfillment
Included files 1
Separates physical stock, reservations and incoming goods while tracing purchasing and returns through recorded movements.
inventory-procurement
Included files 1
Connects customer orders to delivery work, capacity, approved time and the correct billing basis.
projects-resource-planning
Included files 1
Connects customer and business systems through explicit ownership, identity mapping and repeat-safe synchronization rules.
crm-erp-integrations
Included files 1
Finds duplicate business records and prepares auditable merges or imports without losing relationships and history.
master-data-deduplication
Included files 1
Makes business metrics traceable to precise document states, dates, currencies and source rows that users are allowed to see.
business-reporting-analytics
Included files 1
Separates workflow meaning, canvas layout and execution history into explicit versioned models and state transitions.
workflow-semantics-state-modeling
Included files 1
Builds workflow canvases whose connections, configuration and error feedback stay valid and usable without pointer-only editing.
visual-graph-editor-development
Included files 1
Validates workflow graph soundness and configuration while separating editable drafts from immutable published versions.
workflow-validation-versioning
Included files 1
Makes workflow progress traceable through runs, steps and attempts without showing unverified success.
execution-tracking-verification
Included files 1
Defines how conditional and parallel workflow paths start, finish and combine without waiting forever or overwriting each other’s outputs.
branching-parallelism-joins
Included files 1
Makes workflows waiting for deadlines or external events survive restarts and duplicate wake-up signals.
durable-waits-event-correlation
Included files 1
Recovers failed workflow steps using durable results, bounded retries and explicit handling of uncertain external effects.
retries-compensation
Included files 1
Adds durable human decision points to workflows with exact request binding, decision permissions and clear expiry behavior.
approval-human-tasks
Included files 1
Embeds AI steps in workflows with validated outputs, durable checkpoints, scoped tools and evidence of external effects.
ai-tool-step-integration
Included files 1
Explores workflow branches with controlled fixtures while keeping simulated outcomes separate from live execution.
workflow-simulation-test-fixtures
Included files 1
Connects visual graph tools to clean workflow data while preserving editing, layout and component lifecycles.
graph-editor-library-integration
Included files 1
Checks whether a dashboard number answers the intended question with correct populations, units and time boundaries.
data-semantics-metric-validation
Included files 1
Chooses visual forms and scales that make the intended comparison understandable without distorting the meaning of the data.
chart-selection-visual-encoding
Included files 1
Builds dashboards with visible filter scope, reliable asynchronous updates and a clear path from overview to detail.
interactive-dashboard-development
Included files 1
Makes chart values and interactions available through keyboard, touch, descriptive summaries and matching data tables.
accessible-data-visualization
Included files 1
Checks that chart pixels, labels and linked views accurately represent validated source data under real edge cases.
visualization-verification
Included files 1
Makes trends and period comparisons understandable by handling time zones, missing measurements and incomplete periods explicitly.
time-series-temporal-aggregation
Included files 1
Reduces and renders large visualization datasets while preserving the analytical features users need to see.
large-dataset-rendering
Included files 1
Builds tailored visual explanations with D3 geometry and clear rendering ownership inside an existing frontend.
d3-custom-visualization
Included files 1
Fits charts into the existing frontend stack with consistent themes, responsive sizing and deliberate resource cleanup.
chart-library-integration
Included files 1
Keeps selections and filters consistent between related visualizations while preserving metric meaning and navigation context.
linked-views-drill-down
Included files 1
Makes visualized numbers inspectable and exportable without losing filters, permissions or spreadsheet safety.
data-export-tabular-alternatives
Included files 1
Creates a single authoritative document model with structured commands instead of competing DOM and application state.
editor-document-model-commands
Included files 1
Preserves cursor meaning and keyboard behavior through editing operations, toolbar use and international text composition.
selection-focus-input-handling
Included files 1
Groups editing into meaningful reversible actions and restores selection without polluting history with interface events.
undo-redo-history
Included files 1
Protects editing work through ordered saves, isolated drafts and recovery that respects newer server versions instead of silently overwriting them.
autosave-recovery
Included files 1
Checks editing, undo, paste, saving and reload as one complete document lifecycle.
editor-verification
Included files 1
Supports reliable reordering and tree movement through validated destinations, cancellable dragging and equivalent keyboard operations.
drag-and-drop-reordering
Included files 1
Extends an existing editor engine with schema-aware blocks and commands instead of bypassing its document model.
rich-text-block-editors
Included files 1
Converts pasted content into supported editor structures while rejecting active HTML and keeping copied block identities distinct.
clipboard-content-sanitization
Included files 1
Provides predictable spatial editing by keeping coordinate transforms, selection bounds and group operations consistent while the camera moves.
canvas-geometry-multi-selection
Included files 1
Preserves editable document meaning across serialization, format changes and exports, including content the current editor does not understand.
document-serialization-migration
Included files 1
Keeps editing responsive by limiting rerenders, separating selection updates and moving expensive serialization out of keystrokes.
large-document-performance
Included files 1
Integrates concurrent document editing with shared-state models, local undo and authorized reconnection instead of full-document overwrites.
collaborative-editing-integration
Included files 1
Defines access decisions from actor, organizational scope, action, resource state, relationships and approval requirements.
authorization-modeling
Included files 1
Applies the same authorization rules to direct actions, queries, exports and background work, with denied access when context is missing.
server-side-policy-enforcement
Included files 1
Checks that people can only view and change what they are allowed to, including bulk actions and data exports.
authorization-verification
Included files 1
Provides temporary authority transfer without granting more power than the original holder currently possesses.
delegation-temporary-access
Included files 1
Models commercial approvals around the document actually reviewed, with thresholds and responsibilities that remain valid at execution.
approval-workflows
Included files 1
Enforces access based on ownership and team relationships, including different visible or editable fields on one record.
field-relationship-permissions
Included files 1
Restricts agent actions to both the delegating person’s authority and the agent’s assigned purpose, including paused and resumed work.
agent-authorization
Included files 1
Keeps authorization decisions current after role changes and records policy or approval history without leaking denied data.
policy-audit-cache-invalidation
Included files 1
Models uploaded files as a lifecycle involving bytes, metadata, derived outputs, quotas and access rather than a single storage path.
file-lifecycle-storage-architecture
Included files 1
Protects file entry and delivery using content inspection, resource authorization and browser isolation rather than trusting filenames or links.
secure-upload-download
Included files 1
Keeps file processing within explicit memory, disk, time and concurrency limits while allowing cancellation and safe cleanup.
streaming-resource-limits
Included files 1
Verifies that file storage, database records, derivatives and quotas agree through upload, processing and failure.
storage-consistency-verification
Included files 1
Enables large uploads to resume from verified server progress while protecting session ownership, part integrity and cleanup boundaries.
multipart-resumable-uploads
Included files 1
Encapsulates storage-provider differences behind a practical adapter while preserving streaming, signing and browser-upload requirements.
object-storage-integration
Included files 1
Creates repeatable image derivatives while protecting decoding resources, orientation, visual fidelity and private metadata.
image-preview-processing
Included files 1
Builds media processing flows that validate uploads, produce playback-ready formats and keep expensive work out of web requests.
video-audio-processing
Included files 1
Keeps potentially harmful uploads unavailable until isolated inspection completes, with additional defenses beyond a clean antivirus result.
file-quarantine-malware-scanning
Included files 1
Delivers private media efficiently without letting shared caches or reusable links bypass the application’s access decisions.
cdn-private-media-delivery
Included files 1
Plans complete storage cleanup without confusing logical deletion with physical removal, retained versions or protected records.
retention-storage-cleanup
Included files 1
Moves file storage through verified copies and controlled routing changes while retaining a usable recovery source.
file-storage-migration
Included files 1
Makes agent execution recoverable through explicit lifecycle states, durable tool history and bounded continuation after interruption.
agent-runtime-state
Included files 1
Defines unambiguous AI tools with constrained inputs, validated execution and outputs that preserve useful context.
tool-calling-contracts
Included files 1
Organizes AI session context into stable instructions, verified history and current work so compaction preserves actionable state.
context-engineering
Included files 1
Places deterministic controls around agent tools so untrusted documents cannot freely turn access to sensitive data into external actions.
agent-permissions-trust
Included files 1
Makes LLM quality and failures inspectable by connecting execution traces to focused evaluations and reusable regression evidence.
llm-eval-observability
Included files 1
Provides a consistent application-facing contract across LLM APIs while retaining the provider details needed for correct replay and accounting.
llm-provider-adapters
Included files 1
Organizes reusable agent knowledge with source history, scope and freshness controls, then retrieves evidence suited to the current task.
agent-memory-retrieval
Included files 1
Structures agent collaboration around clear handoffs, bounded parallelism and isolated ownership so partial results can be integrated reliably.
multi-agent-coordination
Included files 1
Reduces avoidable model context and paid usage while keeping task requirements, accounting and budget limits explicit.
token-cache-cost
Included files 1
Turns model responses into validated application data while treating incomplete streaming fragments as provisional.
structured-outputs-streaming
Included files 1
Connects agent capabilities through typed tools, resources and subprocesses with strict transport and lifecycle handling.
mcp-cli-integration
Included files 1
Maps the real route from repository changes to runtime infrastructure before altering build or deployment behavior.
infra-pipeline-discovery
Included files 1
Structures verification and deployment around immutable release artifacts, coordinated state changes and evidence of the active version.
cicd-release-engineering
Included files 1
Makes release packages reproducible and traceable by controlling build inputs, artifact contents and the boundary between configuration and secrets.
build-artifact-management
Included files 1
Protects build and deployment credentials through least-privilege identities and separation from untrusted code paths.
secrets-deployment-permissions
Included files 1
Verifies a release in its actual runtime and selects a recovery path that accounts for data and schema effects.
deployment-verification-recovery
Included files 1
Makes container startup and shutdown predictable through explicit configuration validation, process signals and production runtime boundaries.
containers-runtime-config
Included files 1
Makes infrastructure changes reviewable through explicit plans, shared-state protection and environment-specific inputs.
infrastructure-as-code
Included files 1
Connects service telemetry to user impact so operators can diagnose failures and act on alerts with clear responsibility.
monitoring-logging-alerting
Included files 1
Checks whether backups can restore a usable system within stated data-loss and recovery-time objectives.
backup-restore-validation
Included files 1
Keeps background work recoverable during deployments and prevents overlapping schedules or repeated delivery from duplicating business actions.
workers-scheduled-operations
Included files 1
Organizes platform builds, signing materials and release channels into traceable CI artifacts.
desktop-mobile-release-pipelines
Included files 1
Explains infrastructure bottlenecks and scaling costs using actual connection, memory and CPU constraints rather than server counts alone.
capacity-infrastructure-costs
Included files 1
Turns approved business rules into testable properties that remain meaningful at numeric boundaries, under repetition and across tenant scopes.
business-invariants-contracts
Included files 1
Generates many valid domain cases to verify rules across boundaries that hand-picked examples often miss.
property-based-testing
Included files 1
Turns a large generated test failure into a small valid example with enough information to reproduce it.
counterexample-shrinking-replay
Included files 1
Checks the credibility of property tests by validating independent expectations, meaningful generated cases and sensitivity to known faults.
test-oracle-generator-validation
Included files 1
Generates sequences of actions against a simple reference model to find failures that isolated examples miss.
stateful-model-based-testing
Included files 1
Tests relationships between related inputs and outputs when exact answers are difficult to compute independently.
metamorphic-testing
Included files 1
Checks balance conservation, reservation limits and replay safety across generated financial and quota operations.
financial-quota-properties
Included files 1
Tests access invariants across generated users, workspaces, resources, delegations and approval sequences.
authorization-tenant-properties
Included files 1
Tests time-dependent rules with controlled clocks and deliberate calendar, expiry and timezone edge cases.
time-scheduling-properties
Included files 1
Tests whether concurrent operations preserve business invariants across controlled scheduling orders, with reproducible counterexamples when they fail.
concurrency-properties
Included files 1
Checks that encoding, decoding and normalization preserve intended data across arbitrary inputs and schema changes.
serialization-round-trip-properties
Included files 1
Finds the earliest demonstrated cause of a reproducible failure through explicit hypotheses and focused verification.
systematic-debugging
Included files 2
Writes precise defect reports that help another person reproduce the problem, understand its impact and verify the eventual repair.
bug-reporting
Included files 2
Finds actionable defects in a change by comparing requirements, surrounding code and concrete user consequences.
code-review
Included files 2
Verifies critical journeys in a real browser against a controlled test system with observable outcomes.
e2e-testing
Included files 2
Verifies the request, response and side-effect contracts that API callers rely on, including authorization and webhook replay behavior.
api-testing
Included files 2
Proves forbidden operations fail through direct requests, indirect data paths and realistic multi-user permission scenarios.
authorization-testing
Included files 2
Finds why concurrent requests lose updates, create duplicates or violate business invariants.
data-concurrency-debugging
Included files 2
Turns product briefs into consistent, bounded and falsifiable behavior before implementation choices obscure missing decisions.
specification-acceptance-review
Included files 1
Links accepted requirements, implementation paths and verification evidence so missing rules and unrequested changes become visible.
requirement-to-code-traceability
Included files 1
Traces a change through callers, guards and data transformations to distinguish real regressions from unrelated existing issues.
contextual-code-review
Included files 1
Turns review suspicions into precise findings with a trigger, violated contract and concrete consequence.
evidence-based-findings
Included files 1
Reviews changed interfaces for effects on existing clients, queued work and the error behavior integrations already depend on.
api-compatibility-review
Included files 1
Reviews state-changing code for invalid transitions, incomplete local writes and external effects that may happen more than once.
business-state-data-integrity-review
Included files 1
Checks changed entry points for authenticated identity, matching workspace scope and permissions on records and fields.
authorization-tenant-boundary-review
Included files 1
Assesses tests by the behavior they genuinely demonstrate, including whether they can detect realistic regressions in changed code.
test-adequacy-review
Included files 1
Checks a proposed migration against existing data, coexisting versions, locking and real rollback feasibility.
migration-rollout-review
Included files 1
Aligns documentation claims with current repository behavior while separating plans and historical decisions.
doc-fact-checking
Included files 2
Explains software in the document form readers need, connecting accurate technical facts to executable tasks and verification.
developer-documentation
Included files 2
Updates canonical project documents alongside code changes and resolves contradictions using the actual implementation.
documentation-maintenance
Included files 2
Checks that documented commands and examples are consistent, safe to share and accurately labeled as tested or untested.
doc-verification
Included files 2
Explains how to call real endpoints and handle their permissions, responses, side effects and integration failures correctly.
api-documentation
Included files 2
Explains real system boundaries and the reasons behind consequential technical choices in maintainable documentation.
documentation-and-adrs
Included files 2
Creates a repository-grounded path from a fresh development machine to the first successful application run and test.
developer-onboarding
Included files 2
Writes symptom-led operational guidance with safe diagnosis, explicit recovery scope and observable verification.
runbooks-troubleshooting
Included files 2
Explains user-visible changes and exact upgrade steps with examples, compatibility limits and recovery consequences.
migration-release-notes
Included files 2
Assigns verified project knowledge a clear home while preserving an existing documentation structure.
documentation-blueprint
Included files 1