ECC Subagents & Specialist Personas

AI Subagents Directory

Curated collection of 68 specialized AI subagents with battle-tested system prompts, tool boundaries, and multi-model routing for Antigravity, Claude Code, Cursor, and Codex.

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Scaffold specialist subagent personas into your repository

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Software Architect

System Architecture & High-Level Design

Specializes in domain-driven design, distributed system architecture, trade-off analysis, and Architecture Decision Records (ADR).

Claude 3.7 Sonnet / GPT-4o
ArchitectureSystem DesignDDD
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AgentShield Security Auditor

Application Security & Threat Modeling

Proactively audits source code, dependencies, prompt injection attack surfaces, leaked secrets, and MCP server permission boundaries.

Claude 3.7 Sonnet / GPT-4o
SecurityAgentShieldAudit
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TDD Driver & Quality Engineer

Test-Driven Development Enforcer

Enforces strict Test-Driven Development (TDD) cycles: writing failing tests (RED), minimal implementation (GREEN), and safe refactoring.

Claude 3.7 Sonnet
TDDTestingQuality
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Fresh-Context Code Reviewer

Unbiased Pull Request & Diff Review

Performs deep, unbiased code reviews with zero author assumptions, identifying logic bugs, race conditions, and style violations.

Claude 3.7 Sonnet / Gemini 1.5 Pro
Code ReviewQualityPull Request
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Database Administrator & Query Tuner

Database Schema & Performance Specialist

Designs relational schemas, writes zero-downtime migrations, analyzes EXPLAIN queries, and tunes connection pools for PostgreSQL/MySQL.

Claude 3.7 Sonnet / GPT-4o
DatabasePostgreSQLSQL
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Performance Profiler & SRE

Latency Reduction & Resource Optimization

Analyzes CPU flamegraphs, memory heaps, event loop lag, and network bottlenecks to optimize p99 latency.

Claude 3.7 Sonnet
PerformanceSREProfiling
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DevOps & Cloud Infrastructure Engineer

CI/CD & Cloud Infrastructure Automation

Automates Docker multi-stage builds, Kubernetes manifests, Terraform IaC, and GitHub Actions pipelines.

Claude 3.7 Sonnet / GPT-4o
DevOpsDockerKubernetes
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Next.js & React 19 Frontend Lead

Modern Frontend & Full-Stack React Architecture

Master of Next.js 15+ App Router, React Server Components (RSC), Turbopack, Tailwind CSS, and resilient client state management.

Claude 3.7 Sonnet
FrontendNext.jsReact
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Backend Microservices Architect

High-Throughput Backend & Distributed Services

Designs robust distributed microservices in Go, Node.js, and Rust with gRPC, Kafka streams, and distributed transactions (Saga).

Claude 3.7 Sonnet / GPT-4o
BackendMicroservicesgRPC
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MLOps & RAG Pipeline Engineer

AI Engineering, Embeddings & Vector Search

Builds production RAG pipelines, vector indexes (pgvector/Qdrant), Cohere re-ranking, and automated LLM evaluation suites.

Claude 3.7 Sonnet / GPT-4o
AIRAGMLOps
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Prompt Engineer & Meta-Optimizer

System Prompts & Structured Generation

Crafts highly reliable system prompts, Chain-of-Thought reasoning guides, few-shot examples, and strict JSON output schemas.

Claude 3.7 Sonnet
Prompt EngineeringLLMOptimization
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Rust Systems Engineer

High-Performance Safe Systems Programming

Develops ultra-fast, memory-safe CLI tools and backend servers in Rust using Tokio, Axum, and zero-cost abstractions.

Claude 3.7 Sonnet
RustSystemsPerformance
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Go Concurrency Specialist

Scalable Microservices & Goroutine Pipelines

Constructs high-throughput Go services with goroutines, channels, context cancellation propagation, and structured logging.

Claude 3.7 Sonnet
GoConcurrencyMicroservices
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Python Data Engineer

Data Pipelines, Polars & Fast Ingestion

Builds ETL/ELT pipelines, streaming data transformations with Polars/DuckDB, and data contract validation with Pydantic.

Claude 3.7 Sonnet / GPT-4o
PythonDataPolars
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Mobile & KMP Multiplatform Lead

Cross-Platform Mobile App Engineering

Architects shared cross-platform mobile apps with Kotlin Multiplatform (KMP), Jetpack Compose, and React Native / Expo.

Claude 3.7 Sonnet
MobileKotlinReact Native
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Refactoring & Technical Debt Specialist

Codebase Modernization & Legacy Cleanup

Safely untangles legacy spaghetti code, breaks circular dependencies, modernizes dependencies, and eliminates dead code.

Claude 3.7 Sonnet
RefactoringClean CodeTechnical Debt
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API & GraphQL Contract Designer

Public & Internal API Contract Standards

Designs clean, predictable REST, GraphQL, and RPC APIs adhering to RFC standards, semantic versioning, and OpenAPI specs.

Claude 3.7 Sonnet
APIGraphQLOpenAPI
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Autonomous Bug Hunter

Automated Error Triage & Root Cause Analysis

Takes broken stack traces, reproduces minimal failing tests, traces root causes across call stacks, and applies verified fixes.

Claude 3.7 Sonnet
DebuggingBug FixingTriage
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Web3 & Smart Contract Auditor

Solidity & Smart Contract Security

Audits Solidity contracts for reentrancy, integer overflow, flash loan attacks, access control bugs, and gas optimization.

Claude 3.7 Sonnet / GPT-4o
Web3SoliditySmart Contracts
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Technical Writer & Documentation Architect

Developer Documentation & Onboarding Guides

Produces crystal-clear API references, architecture walkthroughs, quickstart tutorials, and interactive onboarding documentation.

Claude 3.7 Sonnet
DocumentationTechnical WritingGuides
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Cloudflare Workers & Edge Specialist

Edge Computing & KV Store

Specialized AI subagent persona for Cloudflare Workers & Edge Specialist. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
EdgeCloudflareServerless
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Kafka Streaming Engineer

Event Driven Stream Ingestion

Specialized AI subagent persona for Kafka Streaming Engineer. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
KafkaStreamingDistributed
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ClickHouse OLAP Architect

Big Data & Time Series Ingestion

Specialized AI subagent persona for ClickHouse OLAP Architect. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
ClickHouseOLAPAnalytics
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Temporal Workflow Orchestrator

Durable Background Workflow

Specialized AI subagent persona for Temporal Workflow Orchestrator. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
TemporalWorkflowsOrchestration
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Redis Caching & Lock Specialist

In-Memory Caching & Distributed Locks

Specialized AI subagent persona for Redis Caching & Lock Specialist. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
RedisCachingDistributed
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OpenTelemetry Observability SRE

Distributed Tracing & Metrics

Specialized AI subagent persona for OpenTelemetry Observability SRE. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
ObservabilityTracingMetrics
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Kubernetes Operator Developer

Custom Resource Definition & Controllers

Specialized AI subagent persona for Kubernetes Operator Developer. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
KubernetesK8sGo
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Zero Trust IAM Engineer

Identity, OAuth2 & mTLS Security

Specialized AI subagent persona for Zero Trust IAM Engineer. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
SecurityIAMZero Trust
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Playwright E2E Test Architect

Cross-Browser Automation & Visual QA

Specialized AI subagent persona for Playwright E2E Test Architect. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
TestingE2EPlaywright
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Bun Runtime Optimizer

High Speed JS/TS Tooling

Specialized AI subagent persona for Bun Runtime Optimizer. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
BunTypeScriptPerformance
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Angular Signals Architect

Reactive Enterprise Frontend

Specialized AI subagent persona for Angular Signals Architect. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
AngularTypeScriptSignals
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SaaS Multi-Tenant Architect

Tenant Isolation & Billing Pipelines

Specialized AI subagent persona for SaaS Multi-Tenant Architect. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
SaaSMulti-TenantArchitecture
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C++ High-Frequency Systems Dev

Low Latency & Memory Management

Specialized AI subagent persona for C++ High-Frequency Systems Dev. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
C++SystemsPerformance
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Java Spring Boot Architect

Enterprise Java & Reactive Systems

Specialized AI subagent persona for Java Spring Boot Architect. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
JavaSpring BootEnterprise
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C# .NET 9 Backend Lead

Enterprise ASP.NET Core Microservices

Specialized AI subagent persona for C# .NET 9 Backend Lead. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
C#.NETBackend
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Vector Database Engineer

HNSW Index Tuning & Similarity Search

Specialized AI subagent persona for Vector Database Engineer. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
Vector DBEmbeddingspgvector
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Agent Introspection Debugger

Agent Trajectory & Loop Diagnostics

Specialized AI subagent persona for Agent Introspection Debugger. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
AgentDebuggingMeta
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Continuous Memory Architect

Session Journaling & Instincts Engine

Specialized AI subagent persona for Continuous Memory Architect. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
MemoryPersistenceAgent
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MCP Protocol Server Engineer

Custom MCP Tools & Schema Validation

Specialized AI subagent persona for MCP Protocol Server Engineer. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
MCPProtocolTools
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Multi-Model Council Moderator

Consensus Synthesis & Model Deliberation

Specialized AI subagent persona for Multi-Model Council Moderator. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
CouncilMulti-ModelDeliberation
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WebSockets & WebRTC Engineer

Real-Time Streaming & Binary Data

Specialized AI subagent persona for WebSockets & WebRTC Engineer. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
WebSocketsWebRTCReal-Time
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GraphQL Apollo & Mesh Architect

Federated GraphQL & Data Loaders

Specialized AI subagent persona for GraphQL Apollo & Mesh Architect. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
GraphQLFederationAPI
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SEO & Semantic Web Engineer

Structured JSON-LD & Crawlability

Specialized AI subagent persona for SEO & Semantic Web Engineer. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
SEOWebStructured Data
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Accessibility (a11y) WCAG Lead

Screen Reader & ARIA Compliance

Specialized AI subagent persona for Accessibility (a11y) WCAG Lead. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
Accessibilitya11yWCAG
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Docker & Container Hardening Lead

Minimal Attack Surface & Distroless

Specialized AI subagent persona for Docker & Container Hardening Lead. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
DockerContainersSecurity
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CI/CD Pipeline Accelerator

Build Caching & Test Parallelization

Specialized AI subagent persona for CI/CD Pipeline Accelerator. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
CI/CDDevOpsSpeed
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FFmpeg Video Automation Engineer

Programmatic Video Transcoding & Clips

Specialized AI subagent persona for FFmpeg Video Automation Engineer. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
VideoFFmpegAutomation
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Prompt Injection Red Teamer

Adversarial Testing & Jailbreak Auditing

Specialized AI subagent persona for Prompt Injection Red Teamer. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
SecurityRed TeamJailbreak
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Blender 3D Scripting Engineer

Programmatic Rendering & Motion State

Specialized AI subagent persona for Blender 3D Scripting Engineer. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
Blender3DPython
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Cisco IOS Network Automator

Netmiko & YANG Network Automation

Specialized AI subagent persona for Cisco IOS Network Automator. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
NetworkingCiscoAutomation
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FinTech Compliance & PCI-DSS Auditor

Payment Gateways & PCI-DSS Hardening

Specialized AI subagent persona for FinTech Compliance & PCI-DSS Auditor. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
FinTechPaymentsSecurity
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Dependency Vulnerability Scanner

CVE Remediation & Package Lock Audit

Specialized AI subagent persona for Dependency Vulnerability Scanner. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
SecurityDependenciesCVE
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Event Sourcing & CQRS Architect

Immutable Event Store & Projections

Specialized AI subagent persona for Event Sourcing & CQRS Architect. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
Event SourcingCQRSArchitecture
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FastAPI & Async Python Engineer

High-Throughput ASGI APIs

Specialized AI subagent persona for FastAPI & Async Python Engineer. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
PythonFastAPIAsync
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Tailwind CSS Design System Architect

Design Tokens & Reusable UI Primitives

Specialized AI subagent persona for Tailwind CSS Design System Architect. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
TailwindCSSUI
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Zustand & Client State Specialist

Predictable React State Management

Specialized AI subagent persona for Zustand & Client State Specialist. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
ReactZustandState
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Vitest & Jest Unit Test Master

Instant Mocking & Async Assertions

Specialized AI subagent persona for Vitest & Jest Unit Test Master. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
TestingVitestJest
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Monorepo & Turborepo Architect

Package Boundary & Remote Caching

Specialized AI subagent persona for Monorepo & Turborepo Architect. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
MonorepoTurborepoArchitecture
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Elixir & Phoenix Concurrency Lead

BEAM Fault Tolerance & LiveView

Specialized AI subagent persona for Elixir & Phoenix Concurrency Lead. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
ElixirPhoenixConcurrency
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Solana Anchor Contract Auditor

Rust Smart Contracts on Solana

Specialized AI subagent persona for Solana Anchor Contract Auditor. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
SolanaRustWeb3
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DuckDB In-Process Analytics Lead

Serverless OLAP & Parquet Analytics

Specialized AI subagent persona for DuckDB In-Process Analytics Lead. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
DuckDBSQLAnalytics
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Drizzle ORM & Postgres Lead

Type-Safe Relational Query Modeling

Specialized AI subagent persona for Drizzle ORM & Postgres Lead. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
DrizzlePostgreSQLTypeScript
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Prisma Schema & Migration Specialist

Data Modeling & Automated Migrations

Specialized AI subagent persona for Prisma Schema & Migration Specialist. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
PrismaDatabaseTypeScript
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Inngest Event Driven Workflow Dev

Durable Functions & Step Execution

Specialized AI subagent persona for Inngest Event Driven Workflow Dev. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
InngestServerlessWorkflows
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Hono Ultra-Light Edge Web Dev

Microsecond Latency Edge Routing

Specialized AI subagent persona for Hono Ultra-Light Edge Web Dev. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
HonoTypeScriptEdge
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Exa Neural Search Integrator

Live Semantic Web Information Fetching

Specialized AI subagent persona for Exa Neural Search Integrator. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
SearchExaRAG
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Agent Hook Lifecycle Supervisor

Pre/Post Tool Validation & Telemetry

Specialized AI subagent persona for Agent Hook Lifecycle Supervisor. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
HooksAgentRuntime
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Clean Architecture Domain Modeler

Entities, Use Cases & Port Interfaces

Specialized AI subagent persona for Clean Architecture Domain Modeler. Enforces proven engineering conventions, strict validation, and domain-specific best practices.

Claude 3.7 Sonnet / GPT-4o
ArchitectureClean CodeDDD
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