Expert Go developer specializing in Go 1.21+ with deep expertise in building efficient, concurrent, and scalable systems. Use when writing Go code, reviewing Go projects, building microservices,...

Create Product Requirements Documents (PRDs) through structured interviews. Use when the user asks to create a PRD, write requirements, spec out a feature, or needs help defining what to build.

Technical architecture flowchart creation and editing. When Claude needs to create or modify flowcharts, system diagrams, architecture diagrams, or process flow diagrams using Mermaid syntax

Guidelines for writing effective tests in this project

Generate AGENTS.md and AI configuration files for your project. Use when the user wants to create agent instructions, set up AI configs, or says "create AGENTS.md", "configure my AI assistant", or...

Expert guide for testing Next.js applications with Playwright, Jest, and React Testing Library. Use when writing tests, debugging test failures, or setting up test infrastructure.

Master Do notation in fp-ts to write readable, sequential functional code without callback hell. Covers bind, apS, let, bindTo and real-world patterns.

Language-specific code style guidelines. Use when writing TypeScript, Python, Go, JavaScript, or HTML/CSS code to ensure consistent, idiomatic, and maintainable code following best practices.

Use when writing tests, creating test strategies, or building automation frameworks. Invoke for unit tests, integration tests, E2E, coverage analysis, performance testing, security testing.

Use when writing tests, creating test strategies, or building automation frameworks. Invoke for unit tests, integration tests, E2E, coverage analysis, performance testing, security testing.

Facilitate methodical review of proposals (technical designs, product specs, feature requests). Use when asked to "review this proposal", "give feedback on this doc", "help me review this RFC", or...

Use when writing Terraform for OCI, troubleshooting provider errors, managing state files, or implementing Resource Manager stacks. Covers terraform-provider-oci gotchas, resource lifecycle...

Evaluate how well a codebase supports autonomous AI development. Analyzes repositories across eight technical pillars (Style & Validation, Build System, Testing, Documentation, Dev Environment,...

Evaluate how well a codebase supports autonomous AI development. Analyzes repositories across eight technical pillars (Style & Validation, Build System, Testing, Documentation, Dev Environment,...

Compassionate support for pet loss, memorial creation, and honoring the bond between humans and their animal companions. Specializes in tribute writing, keepsake ideas, and navigating the unique...

Enforces Effect-TS patterns for services, errors, layers, and atoms. Use when writing code with Effect.Service, Schema.TaggedError, Layer composition, or effect-atom React components.

Comprehensive toolkit for developing with the CocoIndex library. Use when users need to create data transformation pipelines (flows), write custom functions, or operate flows via CLI or API....

Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices.

Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices.

Wrap multi-write operations in transactions; use dispatchAfterCommit and idempotency patterns to ensure consistency