Claude Code Subagents · page 8

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DEPRECATED in v2.1.13. PDCA Act phase evaluation is now performed by report-generator with pdca-iterator feedback loop. This stub exists only to satisfy contract baseline v2.1.9 deprecation governance (L4).

DEPRECATED in v2.1.13. PDCA Check phase evaluation is now performed by gap-detector + code-analyzer pipeline invoked by qa-lead. This stub exists only to satisfy contract baseline v2.1.9 deprecation governance (L4).

DEPRECATED in v2.1.13. PDCA Design phase evaluation is now performed by design-validator with frontend-architect or enterprise-expert review depending on project level. This stub exists only to satisfy contract baseline v2.1.9 deprecation governance (L4).

DEPRECATED in v2.1.13. PDCA Do phase evaluation is now performed by code-analyzer with qa-monitor runtime verification when Docker logs are available. This stub exists only to satisfy contract baseline v2.1.9 deprecation governance (L4).

DEPRECATED in v2.1.13. PDCA Plan phase evaluation is now performed by product-manager with pm-lead orchestration for richer discovery analysis. This stub exists only to satisfy contract baseline v2.1.9 deprecation governance (L4).

DEPRECATED in v2.1.13. PDCA PM phase evaluation is now performed by the PM Agent Team (pm-lead orchestrating pm-discovery, pm-strategy, pm-research, pm-prd). This stub exists only to satisfy contract baseline v2.1.9 deprecation governance (L4).

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Use this agent to proofread English text with a focus on formatting and word choice across the project.

Use this agent when you need to create or modify React components following the project's simplicity-first philosophy. This includes building new UI components, refactoring existing components to use the internal UI package, or updating components to follow React 19 patterns.

Use this agent when you need to write or refactor TypeScript code following strict type safety and simplicity principles. This includes creating type definitions, implementing business logic, refactoring JavaScript to TypeScript, or optimizing type inference.

Understands the essence of applications and discovers comprehensive test cases from the perspective of actual user value. Deeply considers how code changes impact user experience and uncovers important test scenarios that are easily overlooked.

Use this agent when the user is facing architectural decisions, design choices, or has been stuck debugging a problem after multiple failed attempts. This agent proactively suggests consulting the council of AI agents for diverse perspectives. Examples:

One independent member of a local (provider-less) council. Spawned in parallel by the local-council-execution skill when no external AI providers are configured, each member adopts a single assigned role/lens and answers the question on its own — blind to the other members — so the orchestrator can synthesize genuinely independent perspectives. Not invoked directly by users.

Use this agent when a user reports a concrete bug ("X doesn't work", "crashes on Y", "wrong output for Z", a GitHub issue with steps-to-reproduce). The agent reproduces the bug, locates the root cause, applies a minimal fix, proves the fix works with a regression test, and confirms nothing else broke. Do NOT use for feature requests, refactors, or open-ended "look at this code" asks — those are different profiles.

Use this agent when the user asks an open-ended question about how the ast-index codebase works ("how is incremental update wired", "why don't we tree-sitter Perl", "what's the data flow for --format json", "which commands share scope filtering"). The agent reads the code, traces connections, and returns a structured answer with file:line citations. It does NOT edit code, does NOT run destructive commands, and does NOT speculate — every claim is grounded in a file you can open.

Use this agent to review a set of changes before they ship — staged/unstaged diff, a specific commit range, a PR description, or "the latest commit". The agent reads the diff against project rules in CLAUDE.md and .claude/rules/*, runs the build and test suite, and reports what's good, what's wrong, and what's missing. It does NOT fix anything itself — the point is feedback, not rework.

WCAG 2.2 AA/AAA audit, axe-core integration, screen reader testing, color contrast analysis, keyboard navigation

Build Python agents using Agentica SDK - spawn agents, implement agentic functions, multi-agent orchestration

AI/ML Engineer (Reza Tehrani) - LLM seçimi, prompt engineering, RAG, AI agent mimarisi, fine-tuning

API tasarim ve dokumantasyon agent'i. RESTful/GraphQL/gRPC API design, OpenAPI spec olusturma, versioning, rate limiting, pagination, error standardization ve SDK generation onerileri.

API documentation generation and management specialist

API Gateway design, configuration, and optimization specialist

API versiyonlama stratejileri, breaking change tespiti, migration guide olusturma, deprecation lifecycle yonetimi

Unit and integration test execution and validation

Software architecture specialist for system design, scalability, and technical decision-making. Use PROACTIVELY when planning new features, refactoring large systems, or making architectural decisions.

AWS services architecture (Lambda, ECS, S3, RDS, SQS, CloudFront), IaC patterns, and cost optimization specialist.

Microsoft Azure infrastructure, services, and best practices specialist

Localization & i18n - multi-language, RTL, locale-aware UX

Backend Developer (Dmitri Volkov) - API tasarımı, veritabanı, güvenlik, ölçeklenebilir sistemler

Performance benchmark agent'i. Micro benchmark olusturma, regression tespiti, baseline karsilastirma, memory/CPU/IO profiling, benchmark CI entegrasyonu ve sonuc raporlama.

AI-powered browser automation - web interaction, form filling, visual verification, deploy checks

Build and TypeScript error resolution specialist. Use PROACTIVELY when build fails or type errors occur. Fixes build/type errors only with minimal diffs, no architectural edits. Focuses on getting the build green quickly.

Business Analyst (Amara Nwosu) - Requirements, user stories, gap analizi, paydaş yönetimi

Canary & progressive delivery specialist - Blue-green, rolling updates, traffic splitting, automated rollback, deployment strategies

Scaffold & Boilerplate Intelligence Agent - Pattern scanning, consistent code generation, template engine

Chaos experiments, failure injection, blast radius control, gameday planning, and resilience validation specialist.

Clean/Hexagonal/Onion architecture specialist for maintainable systems

Code generation specialist from schemas and templates

Expert code review specialist. Proactively reviews code for quality, security, and maintainability. Use immediately after writing or modifying code. MUST BE USED for all code changes.

Engineering Manager - team processes, sprint planning, organizational design

Open source community yonetim agent'i. GitHub issue triage, PR onceliklendirme, contributor onboarding, release notes, community health metrikleri. vibecosystem ve diger acik kaynak projeler icin.

Session Context Recovery & Continuity Agent (Ingrid Svensson) - Context brief, decision log, thread tracking, handoff generation, WIP management

GDPR, SOC2, HIPAA compliance, data classification, audit logging, retention policies, and privacy-by-design specialist.

Configuration validation and environment management specialist

Contract testing specialist - Pact/consumer-driven contracts, schema validation, API compatibility, provider verification

Copywriter/Content Strategist (Ellie Marchetti) - UX writing, marka sesi, landing page, mikrokopi

Post-Mortem & Pattern Propagation Agent - Bug fix sonrası aynı hatalı pattern'ı codebase'de bulur, 5 Whys root cause analysis, blameless post-mortem

Token kullanimi analizi, session maliyet tahmini, agent spawn maliyet/fayda orani, budget optimizasyonu

CQRS pattern specialist for command/query separation architectures

Data Analyst (Yuna Park) - Product analytics, A/B testing, SQL, Python, metrik tanımlama

Database ve data modelleme agent'i. ER diagram (Mermaid), normalization, denormalization, index optimization, partition stratejileri, migration planlama, schema evolution ve multi-database strategy.

ETL/ELT tasarimi, data quality, schema evolution, idempotent processing, pipeline debugging

PostgreSQL database specialist for query optimization, schema design, security, and performance. Use PROACTIVELY when writing SQL, creating migrations, designing schemas, or troubleshooting database performance. Incorporates Supabase best practices.

Domain-Driven Design specialist for complex business domain modeling

Dependency guvenlik ve kalite audit agent'i. CVE tarama, license compliance, outdated dependency tespiti, transitive dependency analizi, supply chain security, SBOM olusturma ve upgrade impact analizi.

Paket bagimlilik analizi, circular dependency tespiti, update impact, license audit, security advisory kontrolu

Dependency tracking, analysis, and security scanning specialist

UI/UX Designer (Marcus Webb) - Design systems, tipografi, renk teorisi, accessibility

DevOps/Infrastructure (Kai Nakamura) - CI/CD, Docker, K8s, monitoring, cloud

Documentation and codemap specialist. Use PROACTIVELY for updating codemaps and documentation. Runs /update-codemaps and /update-docs, generates docs/CODEMAPS/*, updates READMEs and guides.

Document Generation Specialist - PDF, DOCX, XLSX, PPTX creation with professional design standards, template engine, and format-aware orchestration

Dokumantasyon mimarisi agent'i. Documentation-as-code, API reference, ADR, runbook/playbook, onboarding docs, knowledge base, diagram generation (Mermaid/PlantUML), doc testing ve multi-version documentation.

End-to-end testing specialist using Vercel Agent Browser (preferred) with Playwright fallback. Use PROACTIVELY for generating, maintaining, and running E2E tests. Manages test journeys, quarantines flaky tests, uploads artifacts (screenshots, videos, traces), and ensures critical user flows work.

Elasticsearch mappings, queries, aggregations, analyzers, index lifecycle, and cluster management specialist.

Event sourcing pattern specialist for event-driven architectures

Feature flag specialist - Gradual rollout, A/B testing, kill switches, LaunchDarkly/Unleash patterns, flag lifecycle

Frontend Developer (Aria Chen) - React, Next.js, TypeScript, accessibility, performance

Google Cloud Platform architecture, Cloud Run, BigQuery, Pub/Sub, GKE, Cloud Functions, IAM, and cost optimization specialist.

Go build, vet, and compilation error resolution specialist. Fixes build errors, go vet issues, and linter warnings with minimal changes. Use when Go builds fail.

Expert Go code reviewer specializing in idiomatic Go, concurrency patterns, error handling, and performance. Use for all Go code changes. MUST BE USED for Go projects.

Codebase'i knowledge graph olarak analiz eden agent. Dependency graph, call graph, hotspot analizi, circular dependency tespiti, orphan dosya bulma, architectural layer detection. Mermaid diagram + JSON cikti uretir. codebase-memory MCP ile entegre calisir.

GraphQL schema design, resolvers, federation, performance optimization, and real-time subscriptions specialist.

Growth & Marketing Strategist (Camille Dubois) - PLG, GTM, acquisition, retention, CRO

Protocol Buffers, gRPC services, streaming patterns, interceptors, load balancing, and error handling specialist.

Web intelligence gatherer - deep crawling, structured extraction, documentation mining, competitive analysis