Agent skills for HTTP / API

Integrate payment gateways with Spree — PaymentMethod model, the v5.4+ PaymentSession provider-agnostic checkout flow, Stripe via…

Secure a Spree deployment — Rails credentials and env-var hygiene, Devise auth (Spree v5 ships it in-core; `spree_auth_devise` is…

Upgrade a Spree application — version-to-version migration paths (v4 → v5 is a major rewrite; v5.x → v5.y are simpler), Gemfile pinning…

When to activate: Spring Boot, @RestController, @Service, @Repository, auto-configuration, profiles, actuator, exception handling, Spring…

Generates Spring Boot 3.x configurations, creates REST controllers, implements Spring Security 6 authentication flows, sets up Spring Data…

Provides distributed transaction patterns using the Saga Pattern for Spring Boot microservices.

Verification loop for Spring Boot projects: build, static analysis, tests with coverage, security scans, and diff review before release or…

Facilitates the implementation of robust microservice architectures using Nacos, Sentinel, RocketMQ, and other Alibaba Cloud components.

Verifies whether code follows Spring Modulith code structure or not.

Converts strategy documents, issue lists, or audits into dependency-aware agent-team execution boards.

Plan a sprint with capacity estimation, story selection, dependency mapping, and risk identification.

Summarize a sprint's worth of Claude Code activity — sessions grouped by project (cwd), per-model cost breakdown, token efficiency (cache…

SpriteKit API reference — all node types, physics body creation, action catalog, texture atlases, constraints, scene setup, particles…

Use when the user wants to audit SpriteKit game code for common issues.

Guides use of the sq CLI to query SQL databases and tabular files with SLQ (sq's jq-like query language) or native SQL, manage sources…

Reviews and merges Dependabot pull requests for Go modules (gomod) at the sq repo root.

SQL query writing and optimisation: complex joins, window functions, CTEs, indexes, query plans, migration patterns

Remediates SQL injection security findings safely using validated execution plans, allowlisted tools, and strict outcome verification.

Optimize SQL query performance through EXPLAIN analysis, indexing strategies, and query rewriting for PostgreSQL, MySQL, and SQL Server.

Analyzes SQL queries for missing indexes, N+1 patterns, suboptimal joins, and full table scans.

Write SQL and design indexes that stay fast as data grows — composite index column ordering, keeping predicates sargable, avoiding…