Skill library
Backend systems skills for AI agents.
Databases, APIs, authentication and server infrastructure. 51 backend systems skills, ready to use in Murage.
Open source. macOS, Windows and Linux.
At a glance
- 51
- skills in this subject
- 50
- passed Skill Guard clean
- 1
- ready-made team uses them
- Covers
- database
- backend infrastructure
- server infrastructure
- API design
The library's backend systems skills include API Design Review, API Designer and API Gateway Builder. They cover database, backend infrastructure, server infrastructure and API design. 50 passed Skill Guard clean. The other 1 switch on only after you have read them and said yes. 1 ready-made team uses skills from this list, such as Dev Shop. Skills are written instructions, not app connections: a bot reads the one a job calls for and works the way it lays out. Add any of them to a bot in Settings → Skills, or tell your Chief of Staff the job and let it choose.
- You askSay the job in plain words
- EmberEmberYour Chief of Staff takes it
- A bot with the skillA skillIt opens the skill when the job calls for it
- The resultThe finished job
- API Design ReviewSystematic API design quality assessment evaluating REST and GraphQL APIs for consistency, usability and documentation completeness.CleanBeginner
- API DesignerREST and GraphQL API design expertise covering REST maturity model, resource naming, pagination patterns, filtering and sorting and HATEOAS.CleanIntermediate
- API Gateway BuilderExpert guide for designing and configuring API gateways including Kong, AWS API Gateway, and cloud-native solutions.CleanAdvanced
- Auth EngineerAuthentication and authorization engineering expertise covering JWT architecture, OAuth 2.0/OIDC flows, session management, RBAC/ABAC and MFA implementation.CleanIntermediate
- Authentication PatternsGuides expert-level authentication patterns implementation: security and web-development decision frameworks and production-ready patterns.CleanIntermediate
- Authorization PatternsGuides expert-level authorization patterns implementation: security and design-patterns decision frameworks and production-ready patterns.CleanIntermediate
- Background Job DesignerExpert guide for designing reliable background job systems including worker architectures, queue selection, retry strategies and dead letter queues.CleanIntermediate
- Background Jobs PatternsGuides expert-level background jobs patterns implementation: architecture and optimization decision frameworks and production-ready patterns.CleanIntermediate
- Caching StrategiesGuides expert-level caching strategies implementation: optimization and database decision frameworks and production-ready patterns.CleanIntermediate
- Caching StrategistCaching architecture expertise covering cache-aside, write-through, write-behind, read-through patterns, TTL strategies, cache invalidation and CDN caching.CleanAdvanced
- ClickHouse AnalystClickHouse columnar OLAP expert covering table engine selection (MergeTree family), materialized views and aggregating merge trees.CleanIntermediate
- CockroachDB EngineerCockroachDB distributed SQL expert covering multi-region deployment, survivability goals, schema design for distributed systems and online schema changes.CleanAdvanced
- Database ArchitectDatabase schema design expertise covering normalization, denormalization strategies, indexing, query optimization, partitioning and connection pooling.CleanIntermediate
- Database Migration ExpertDatabase schema migration expert covering zero-downtime migration strategies, schema evolution patterns and data backfill techniques.CleanIntermediate
- Database Migration PatternsGuides expert-level database migration patterns implementation: database and automation decision frameworks and production-ready patterns.CleanIntermediate
- Database Performance AuditDatabase performance assessment evaluating query efficiency, indexing strategy, connection management and configuration.CleanBeginner
- DynamoDB ArchitectAmazon DynamoDB expert covering single-table design, partition key strategies, GSI and LSI patterns and capacity modes (on-demand vs provisioned).CleanIntermediate
- Elasticsearch EngineerElasticsearch design and operations expertise covering index design, mapping types and custom analyzer configuration.CleanAdvanced
- Event-Driven ArchitectEvent-driven architecture expertise covering event sourcing, CQRS, message brokers (Kafka, RabbitMQ), saga patterns, eventual consistency and idempotency.CleanAdvanced
- File ProcessorFile processing pipeline expertise covering upload handling (multipart, streaming, resumable), virus scanning, image processing and PDF generation.CleanIntermediate
- Graph Database EngineerGraph database engineering expert covering Neo4j administration and Cypher optimization and property graph modeling patterns.CleanAdvanced
- Graph Database ArchitectGraph database design expertise covering Neo4j and Cypher query language, property graph model, graph schema design and traversal patterns.CleanIntermediate
- GraphQL BuilderGraphQL schema design expertise covering schema-first vs code-first, resolver patterns, DataLoader for N+1 prevention, subscriptions and federation.CleanIntermediate
- GraphQL ImplementationGuides expert-level graphql implementation implementation: api-design and frameworks decision frameworks and production-ready patterns.CleanIntermediate
- GraphQL Schema DesignGuides expert-level graphql schema design implementation: api-design and design-patterns decision frameworks and production-ready patterns.CleanIntermediate
- gRPC EngineerExpert guide for designing and building gRPC services including protobuf schema design, streaming patterns, interceptors, error handling and load balancing.CleanIntermediate
- Message Queue PatternsGuides expert-level message queue patterns implementation: architecture and automation decision frameworks and production-ready patterns.CleanIntermediate
- Microservices ArchitectMicroservices architecture expertise covering service decomposition, inter-service communication, saga pattern, API gateway and service mesh.CleanAdvanced
- Microservices DesignGuides expert-level microservices design implementation: architecture and microservices decision frameworks and production-ready patterns.CleanIntermediate
- Microservices PatternsGuides expert-level microservices implementation patterns implementation: microservices and design-patterns decision frameworks.CleanIntermediate
- MongoDB ArchitectMongoDB architecture and design mastery covering document schema design, advanced indexing strategies and aggregation pipeline patterns.CleanIntermediate
- MySQL OptimizerMySQL optimization expertise covering query optimization with EXPLAIN analysis, indexing strategies, InnoDB tuning and slow query log analysis.CleanIntermediate
- ORM SpecialistORM patterns and optimization expertise covering Active Record vs Data Mapper, Prisma/TypeORM/Sequelize/SQLAlchemy patterns and N+1 prevention.CleanIntermediate
- PostgreSQL ExpertAdvanced PostgreSQL mastery covering indexing strategies (GIN, GiST, BRIN, B-tree), table partitioning, pg_stat analysis and VACUUM tuning.CleanIntermediate
- Queue ArchitectMessage queue design expertise covering queue vs topic vs stream, delivery guarantees, dead letter queues and backpressure handling.CleanIntermediate
- Rate LimiterRate limiting design expertise covering token bucket, sliding window, fixed window, leaky bucket algorithms and distributed rate limiting.CleanIntermediate
- Rate Limiter DesignerRate limiting expertise covering token bucket, sliding window, fixed window, and leaky bucket algorithms, distributed rate limiting and API quota management.CleanIntermediate
- Rate Limiting PatternsGuides expert-level rate limiting patterns implementation: security and optimization decision frameworks and production-ready patterns.CleanIntermediate
- Redis SpecialistComprehensive Redis expertise covering all data structures (strings, hashes, lists, sets, sorted sets, streams), pub/sub messaging and Lua scripting.CleanIntermediate
- REST API DesignGuides expert-level rest api design implementation: api-design and best-practices decision frameworks and production-ready patterns.CleanIntermediate
- REST API ImplementationGuides expert-level rest api implementation implementation: api-design and frameworks decision frameworks and production-ready patterns.CleanIntermediate
- Search EngineerSearch implementation expertise covering full-text search, indexing strategies, relevance scoring, faceted search, autocomplete and fuzzy matching.CleanIntermediate
- Serverless ArchitectExpert guide for designing serverless applications using Lambda, Cloud Functions, and edge functions.CleanAdvanced
- Serverless PatternsGuides expert-level serverless patterns implementation: cloud and architecture decision frameworks and production-ready patterns.CleanIntermediate
- SQLite SpecialistSQLite expertise for application development covering WAL mode configuration, concurrent access patterns, FTS5 full-text search and JSON support.CleanIntermediate
- Supabase BuilderSupabase platform expert covering PostgreSQL database design, Row Level Security policies, real-time subscriptions, auth configuration and storage buckets.Needs a lookIntermediate
- Time-Series DB SpecialistTime-series database specialist covering InfluxDB and TimescaleDB deep dives, data retention policies, downsampling strategies and continuous aggregates.CleanIntermediate
- Time-Series Database SpecialistTime-series database design and operations covering InfluxDB, TimescaleDB, and QuestDB patterns, data retention policies and continuous aggregates.CleanIntermediate
- Webhook DesignGuides expert-level webhook design implementation: api-design and automation decision frameworks and production-ready patterns.CleanIntermediate
- WebSocket EngineerReal-time communication expertise covering WebSocket protocol, Socket.IO patterns, connection lifecycle, room and channel management.CleanIntermediate
- WebSocket Realtime PatternsGuides expert-level websocket and real-time patterns implementation: web-development and frameworks decision frameworks and production-ready patterns.CleanIntermediate
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