Total 44,259 skills, Backend Development has 3834 skills
Showing 12 of 3834 skills
Expert backend for run-os / run-os-sandboxed execution via x07-os-runner. Prefer `x07 run --profile os` / `x07 run --profile sandbox`.
Analyze application logs from the .evlog/logs/ directory. Use when debugging errors, investigating slow requests, understanding request patterns, or answering questions about application behavior. Reads structured NDJSON wide events written by evlog's file system drain.
Provides comprehensive guidance for input validation, data serialization, and ID management in backend APIs. This skill should be used when designing validation schemas, transforming request/response data, mapping database IDs to external identifiers, and ensuring type safety across API boundaries.
Complete Meteora DeFi SDK suite for building liquidity pools, AMMs, bonding curves, vaults, token launches, and zap operations on Solana. Use when integrating DLMM, DAMM v2, DAMM v1, Dynamic Bonding Curves, Alpha Vaults, Zap, or Stake-for-Fee functionality.
Provides best practices for Node.js development with TypeScript, covering async patterns, error handling, modules, and more. Use when working on existing Node.js projects using TypeScript. Helps apply robust Node.js patterns consistently across the entire codebase.
C++20 modules skill for modern C++ projects. Use when working with named modules, module partitions, header units, CMake MODULE_SOURCES, Clang -fmodules-ts, BMI caching issues, or migrating from headers to modules. Activates on queries about C++20 modules, import statements, module interface units, header units, or BMI files.
Build production-ready gRPC services in Go with mTLS, streaming, and observability. Use when designing Protobuf contracts with Buf or implementing secure service-to-service transport.
Complete Drift Protocol SDK for building perpetual futures, spot trading, and DeFi applications on Solana. Use when building trading bots, integrating Drift markets, managing positions, or working with vaults.
Apply Fastify best practices when creating servers, plugins, routes, schemas, hooks, configuration, decorators, error handling, testing, and TypeScript integration. Use when writing or reviewing Fastify code, setting up a new Fastify project, or asking "How should I structure my Fastify app?"
Appwrite Go SDK skill. Use when building server-side Go applications with Appwrite. Covers user management, database/table CRUD, file storage, and functions via API keys. Uses per-service packages and functional options pattern.
Apply production-ready Customer.io SDK patterns. Use when implementing best practices, refactoring integrations, or optimizing Customer.io usage in your application. Trigger with phrases like "customer.io best practices", "customer.io patterns", "production customer.io", "customer.io architecture".
Creates new OrchardCore modules with proper structure, manifest, startup, and patterns. Use when the user needs to create a new module, add content parts, fields, drivers, handlers, or admin functionality.