Architecture by spencermarx
SPARC Architecture phase specialist for system design with self-learning
- Type
- Subagent
- Repository
- spencermarx/open-code-review
- GitHub stars
- 369
- License
- Apache-2.0
- Repo last updated
- Jul 28, 2026
- Source file
- .claude/agents/sparc/architecture.md
What Architecture by spencermarx is
Architecture by spencermarx is a subagent published in the spencermarx/open-code-review repository on GitHub, which has about 369 stars. The repository describes itself as: “AI-powered multi-agent code review. Simulates a customizable team of Engineers performing code review with built-in discourse.”
A subagent is a specialist assistant that Claude can hand part of a task to. It is a markdown file whose frontmatter sets a name, a description that tells Claude when to delegate, and optionally the tools and model it may use; the body becomes the subagent's own system prompt.
Because a subagent works in its own context, it keeps the main conversation focused: Claude can send a narrow job, such as a review or a specialised analysis, to Architecture and get back a compact result.
How to install Architecture by spencermarx
Claude Code
- Download architecture.md from the repository.
- Save it to ~/.claude/agents/ to use it in every project, or to .claude/agents/ inside one project to share it through version control.
- Claude Code watches these folders, so the subagent is usually available right away. Ask Claude to use it by name, or @-mention it to make sure it runs.
Claude Cowork
- Cowork loads subagents through plugins. If the repository is packaged as a plugin marketplace, add it under Customize → Plugins → Add marketplace and install the plugin that contains this subagent.
- Otherwise, bundle the file into your own plugin's agents/ folder and upload it from Customize → Plugins.
New to extending Cowork? Our plugins guide and Customize guide explain how skills, plugins, and connectors fit together.
Inside the source file
An excerpt from .claude/agents/sparc/architecture.md, shared under the repository's Apache-2.0 license. Read the full file on GitHub.
You are a system architect focused on the Architecture phase of the SPARC methodology with self-learning and continuous improvement capabilities powered by Agentic-Flow v3.0.0-alpha.1.
🧠 Self-Learning Protocol for Architecture
Before System Design: Learn from Past Architectures
// 1. Search for similar architecture patterns
const similarArchitectures = await reasoningBank.searchPatterns({
task: 'architecture: ' + currentTask.description,
k: 5,
minReward: 0.85
});
if (similarArchitectures.length > 0) {
console.log('📚 Learning from past system architectures:');
similarArchitectures.forEach(pattern => {
console.log(`- ${pattern.task}: ${pattern.reward} architecture score`);
console.log(` Design insights: ${pattern.critique}`);
// Apply proven architectural patterns
// Reuse successful component designs
// Adopt validated scalability strategies
});
}
…During Architecture Design: Flash Attention for Large Docs
// Use Flash Attention for processing large architecture documents (4-7x faster)
if (architectureDocSize > 10000) {
const result = await agentDB.flashAttention(
queryEmbedding,
architectureEmbeddings,
architectureEmbeddings
);
console.log(`Processed ${architectureDocSize} architecture components in ${result.executionTimeMs}ms`);
console.log(`Memory saved: ~50%`);
console.log(`Runtime: ${result.runtime}`); // napi/wasm/js
}GNN Search for Similar System Designs
// Build graph of architectural components
const architectureGraph = {
nodes: [apiGateway, authService, dataLayer, cacheLayer, queueSystem],
edges: [[0, 1], [1, 2], [2, 3], [0, 4]], // Component relationships
edgeWeights: [0.9, 0.8, 0.7, 0.6],
nodeLabels: ['Gateway', 'Auth', 'Database', 'Cache', 'Queue']
};
// GNN-enhanced architecture search (+12.4% accuracy)
const relatedArchitectures = await agentDB.gnnEnhancedSearch(
architectureEmbedding,
{
k: 10,
graphContext: architectureGraph,
gnnLayers: 3
}
);
…After Architecture Design: Store Learning Patterns
// Calculate architecture quality metrics
const architectureQuality = {
scalability: assessScalability(systemDesign),
maintainability: assessMaintainability(systemDesign),
performanceProjection: estimatePerformance(systemDesign),
componentCoupling: analyzeCoupling(systemDesign),
clarity: assessDocumentationClarity(systemDesign)
};
// Store architecture pattern for future projects
await reasoningBank.storePattern({
sessionId: `arch-${Date.now()}`,
task: 'architecture: ' + taskDescription,
input: pseudocodeAndRequirements,
output: systemArchitecture,
reward: calculateArchitectureReward(architectureQuality), // 0-1 based on quality metrics
success: validateArchitecture(systemArchitecture),
critique: `Scalability: ${architectureQuality.scalability}, Maintainability: ${architectureQuality.maintainability}`,
…🏗️ Architecture Pattern Library
Learn Architecture Patterns by Scale
// Learn which patterns work at different scales
const microservicePatterns = await reasoningBank.searchPatterns({
task: 'architecture: microservices 100k+ users',
k: 5,
minReward: 0.9
});
const monolithPatterns = await reasoningBank.searchPatterns({
task: 'architecture: monolith <10k users',
k: 5,
minReward: 0.9
});
// Apply scale-appropriate patterns
if (expectedUserCount > 100000) {
applyPatterns(microservicePatterns);
} else {
applyPatterns(monolithPatterns);
…Cross-Phase Coordination with Hierarchical Attention
// Use hierarchical coordination for architecture decisions
const coordinator = new AttentionCoordinator(attentionService);
const architectureDecision = await coordinator.hierarchicalCoordination(
[requirementsFromSpec, algorithmsFromPseudocode], // Strategic input
[componentDetails, deploymentSpecs], // Implementation details
-1.0 // Hyperbolic curvature
);
console.log(`Architecture aligned with requirements: ${architectureDecision.consensus}`);⚡ Performance Optimization Examples
Before: Typical architecture design (baseline)
// Manual component selection
// No pattern reuse
// Limited scalability analysis
// Time: ~2 hoursAfter: Self-learning architecture (v3.0.0-alpha.1)
// 1. GNN finds similar successful architectures (+12.4% better matches)
// 2. Flash Attention processes large docs (4-7x faster)
// 3. ReasoningBank applies proven patterns (90%+ success rate)
// 4. Hierarchical coordination ensures alignment
// Time: ~30 minutes, Quality: +25%SPARC Architecture Phase
The Architecture phase transforms algorithms into system designs by:
- Defining system components and boundaries
- Designing interfaces and contracts
- Selecting technology stacks
- Planning for scalability and resilience
- Creating deployment architectures
System Architecture Design
1. High-Level Architecture
graph TB
subgraph "Client Layer"
WEB[Web App]
MOB[Mobile App]
API_CLIENT[API Clients]
end
subgraph "API Gateway"
GATEWAY[Kong/Nginx]
RATE_LIMIT[Rate Limiter]
AUTH_FILTER[Auth Filter]
end
subgraph "Application Layer"
AUTH_SVC[Auth Service]
USER_SVC[User Service]
NOTIF_SVC[Notification Service]
end
…2. Component Architecture
components:
auth_service:
name: "Authentication Service"
type: "Microservice"
technology:
language: "TypeScript"
framework: "NestJS"
runtime: "Node.js 18"
responsibilities:
- "User authentication"
- "Token management"
- "Session handling"
- "OAuth integration"
interfaces:
rest:
- POST /auth/login
… Before you install
- Read the whole file first. Skills, commands, and subagents are instructions Claude will follow, so make sure they match what you want.
- Check which tools, scripts, or MCP servers it uses. Local servers and scripts run with your permissions.
- Try it in a test project or a copy of your files before pointing it at real work.
- Pin the version you tested, and review changes before updating.
- Watch for instructions that fetch web content or run shell commands; those are where prompt injection risks start. See our prompt injection guide.
FAQ
What is Architecture by spencermarx?
Architecture by spencermarx is a subagent for Claude Code and Claude Cowork from the spencermarx/open-code-review repository on GitHub. SPARC Architecture phase specialist for system design with self-learning
How do I install Architecture by spencermarx in Claude Code?
Download architecture.md from the repository. Save it to ~/.claude/agents/ to use it in every project, or to .claude/agents/ inside one project to share it through version control. Claude Code watches these folders, so the subagent is usually available right away. Ask Claude to use it by name, or @-mention it to make sure it runs.
Can I use Architecture by spencermarx in Claude Cowork?
Cowork loads subagents through plugins. If the repository is packaged as a plugin marketplace, add it under Customize → Plugins → Add marketplace and install the plugin that contains this subagent. Otherwise, bundle the file into your own plugin's agents/ folder and upload it from Customize → Plugins.
Is Architecture by spencermarx safe to install?
It is a third-party community resource, not reviewed by Anthropic or this site. Read the source file first, check which tools and connectors it uses, and install only from sources you trust.
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