BackendAdvanced pack
API Contract Diff
Compare two API or schema revisions and surface behavioral breakage, migration steps, and compatibility risk.
CodexClaude CodeKimi Codeorchestrator-mcp
Collection
Backend & API Design
Contracts, integrations, data flow, failure handling, and API correctness.
27 skills in this lane
BackendAdvanced pack
Tool Contract Normalizer
Normalize tool input and output schemas so multi-agent tool calling becomes more reliable, typed, and retry-safe.
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
API Deprecation Strategist
Sunset APIs with clear migration windows, explicit headers, and communication paths that reduce client breakage.
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
API Gateway Designer
Create unified API entry points with routing, transformation, rate limiting, and security
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
API Pagination Architect
Replace offset-heavy APIs with cursor pagination that scales cleanly and remains client-friendly.
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
API Test Contract Enforcer
Set up contract testing so API consumers and providers fail safely before incompatible releases ship.
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
API Versioning Strategist
Introduce safe API versioning with compatibility lanes, deprecation notices, and migration guidance.
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
BFF Pattern Designer
Create backend-for-frontend services that optimize APIs for specific client needs
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
Clean Architecture Specialist
Structure applications with dependency rule that keeps frameworks, UI, and database as details
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
CRDT Specialist
Implement Conflict-free Replicated Data Types for automatic conflict resolution in distributed systems
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
DDD Tactical Patterns Specialist
Implement Domain-Driven Design tactical patterns: aggregates, entities, value objects, and domain services
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
Distributed Transaction Engineer
Implement patterns for maintaining data consistency across distributed systems and microservices
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
Event Modeling Specialist
Design systems by modeling events, commands, and views to capture complete system behavior
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
Event-Driven Sync Engine
Introduce outbox-driven cross-service communication with reliable publication and eventual consistency safeguards.
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
Eventual Consistency Specialist
Design systems that maintain consistency through asynchronous propagation with conflict resolution
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
GraphQL Federation Architect
Compose multiple GraphQL services into a unified schema with seamless cross-service queries
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
GraphQL Query Complexity Guard
Protect GraphQL services from expensive queries with depth, complexity, and resource-aware limits.
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
gRPC Streaming Specialist
Build high-performance bidirectional streaming APIs with Protocol Buffers and HTTP/2
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
Hexagonal Architecture Specialist
Design loosely-coupled applications with clear separation between business logic and infrastructure
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
Idempotency Guardian
Make mutation endpoints safely retryable with idempotency keys and conflict-aware persistence patterns.
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
JWT Rotation Engineer
Modernize session flows with rotating refresh tokens, revocation, and secure cookie handling.
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
OpenAPI Spec Generator
Generate OpenAPI documentation from typed routes and schemas without drifting from implementation.
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
Ports and Adapters Specialist
Isolate application core from external concerns through well-defined ports and pluggable adapters
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
Rate-Limiting Architect
Implement distributed rate limiting with token buckets, predictable headers, and production-safe behavior under load.
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
Saga Orchestration Engineer
Implement saga orchestration patterns that coordinate distributed transactions with centralized control
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
Server Timing Analyzer
Expose backend bottlenecks through Server-Timing instrumentation that separates compute, database, and remote call cost.
CodexClaude CodeKimi Codeorchestrator-mcp
BackendGlobal library
Webhook Security Designer
Harden webhook handlers with signature verification, replay prevention, and idempotency discipline.
CodexClaude CodeKimi Codeorchestrator-mcp