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Subagent

Code Review Swarm by spencermarx

Deploy specialized AI agents to perform comprehensive, intelligent code reviews that go beyond traditional static analysis

Type
Subagent
GitHub stars
369
License
Apache-2.0
Repo last updated
Jul 28, 2026

What Code Review Swarm by spencermarx is

Code Review Swarm 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 Code Review Swarm and get back a compact result.

How to install Code Review Swarm by spencermarx

Claude Code

  1. Download code-review-swarm.md from the repository.
  2. Save it to ~/.claude/agents/ to use it in every project, or to .claude/agents/ inside one project to share it through version control.
  3. 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

  1. 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.
  2. 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/github/code-review-swarm.md, shared under the repository's Apache-2.0 license. Read the full file on GitHub.

Overview

Deploy specialized AI agents to perform comprehensive, intelligent code reviews that go beyond traditional static analysis, enhanced with self-learning and continuous improvement capabilities powered by Agentic-Flow v3.0.0-alpha.1.

🧠 Self-Learning Protocol (v3.0.0-alpha.1)

Before Each Review: Learn from Past Reviews

// 1. Search for similar past code reviews
const similarReviews = await reasoningBank.searchPatterns({
  task: `Review ${currentFile.path}`,
  k: 5,
  minReward: 0.8
});

if (similarReviews.length > 0) {
  console.log('📚 Learning from past successful reviews:');
  similarReviews.forEach(pattern => {
    console.log(`- ${pattern.task}: ${pattern.reward} quality score`);
    console.log(`  Issues found: ${pattern.output.issuesFound}`);
    console.log(`  False positives: ${pattern.output.falsePositives}`);
    console.log(`  Critique: ${pattern.critique}`);
  });

  // Apply best review patterns
  const bestPractices = similarReviews
…

During Review: GNN-Enhanced Code Analysis

// Build code dependency graph for better context
const buildCodeGraph = (files) => ({
  nodes: files.map(f => ({ id: f.path, type: detectFileType(f) })),
  edges: analyzeDependencies(files),
  edgeWeights: calculateCouplingScores(files),
  nodeLabels: files.map(f => f.path)
});

// GNN-enhanced search for related code (+12.4% better accuracy)
const relatedCode = await agentDB.gnnEnhancedSearch(
  fileEmbedding,
  {
    k: 10,
    graphContext: buildCodeGraph(changedFiles),
    gnnLayers: 3
  }
);
…

Multi-Agent Review Coordination with Attention

// Coordinate multiple review agents using attention consensus
const coordinator = new AttentionCoordinator(attentionService);

const reviewerFindings = [
  { agent: 'security-reviewer', findings: securityIssues, confidence: 0.95 },
  { agent: 'performance-reviewer', findings: perfIssues, confidence: 0.88 },
  { agent: 'style-reviewer', findings: styleIssues, confidence: 0.92 },
  { agent: 'architecture-reviewer', findings: archIssues, confidence: 0.85 }
];

const consensus = await coordinator.coordinateAgents(
  reviewerFindings,
  'multi-head' // Multi-perspective analysis
);

console.log(`Review consensus: ${consensus.consensus}`);
console.log(`Critical issues: ${consensus.aggregatedFindings.critical.length}`);
console.log(`Agent influence: ${consensus.attentionWeights}`);
…

After Review: Store Learning Patterns

// Store successful review pattern
const reviewMetrics = {
  filesReviewed: files.length,
  issuesFound: allIssues.length,
  criticalIssues: criticalIssues.length,
  falsePositives: falsePositives.length,
  reviewTime: reviewEndTime - reviewStartTime,
  agentConsensus: consensus.confidence,
  developerFeedback: developerRating
};

await reasoningBank.storePattern({
  sessionId: `code-review-${prId}-${Date.now()}`,
  task: `Review PR: ${pr.title}`,
  input: JSON.stringify({ files: files.map(f => f.path), context: pr.description }),
  output: JSON.stringify({
    issues: prioritizedIssues,
    reviewStrategy: reviewStrategy,
…

🎯 GitHub-Specific Review Optimizations

Pattern-Based Issue Detection

// Learn from historical bug patterns
const bugHistory = await reasoningBank.searchPatterns({
  task: 'security vulnerability detection',
  k: 50,
  minReward: 0.9
});

const learnedPatterns = extractBugPatterns(bugHistory);

// Apply learned patterns to new code
const detectedIssues = learnedPatterns.map(pattern =>
  pattern.detect(currentCode)
).filter(issue => issue !== null);

GNN-Enhanced Similar Code Search

// Find similar code that had issues in the past
const similarCodeWithIssues = await agentDB.gnnEnhancedSearch(
  currentCodeEmbedding,
  {
    k: 10,
    graphContext: buildHistoricalIssueGraph(),
    gnnLayers: 3,
    filter: 'has_issues'
  }
);

// Proactively flag potential issues
similarCodeWithIssues.forEach(match => {
  console.log(`Warning: Similar code had ${match.historicalIssues.length} issues`);
  match.historicalIssues.forEach(issue => {
    console.log(`  - ${issue.type}: ${issue.description}`);
  });
});

Attention-Based Review Focus

// Use Flash Attention to process large codebases fast
const reviewPriorities = await agentDB.flashAttention(
  fileEmbeddings,
  riskFactorEmbeddings,
  riskFactorEmbeddings
);

// Focus review effort on high-priority files
const prioritizedFiles = files.sort((a, b) =>
  reviewPriorities[b.id] - reviewPriorities[a.id]
);

console.log(`Prioritized review order based on risk: ${prioritizedFiles.map(f => f.path)}`);

Core Features

1. Multi-Agent Review System

# Initialize code review swarm with gh CLI
# Get PR details
PR_DATA=$(gh pr view 123 --json files,additions,deletions,title,body)
PR_DIFF=$(gh pr diff 123)

# Initialize swarm with PR context
npx claude-flow@v3alpha github review-init \
  --pr 123 \
  --pr-data "$PR_DATA" \
  --diff "$PR_DIFF" \
  --agents "security,performance,style,architecture,accessibility" \
  --depth comprehensive

# Post initial review status
gh pr comment 123 --body "🔍 Multi-agent code review initiated"

2. Specialized Review Agents

Security Agent

# Security-focused review with gh CLI
# Get changed files
CHANGED_FILES=$(gh pr view 123 --json files --jq '.files[].path')

# Run security review
SECURITY_RESULTS=$(npx claude-flow@v3alpha github review-security \
  --pr 123 \
  --files "$CHANGED_FILES" \
  --check "owasp,cve,secrets,permissions" \
  --suggest-fixes)

# Post security findings
if echo "$SECURITY_RESULTS" | grep -q "critical"; then
  # Request changes for critical issues
  gh pr review 123 --request-changes --body "$SECURITY_RESULTS"
  # Add security label
  gh pr edit 123 --add-label "security-review-required"
else
…

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 Code Review Swarm by spencermarx?

Code Review Swarm by spencermarx is a subagent for Claude Code and Claude Cowork from the spencermarx/open-code-review repository on GitHub. Deploy specialized AI agents to perform comprehensive, intelligent code reviews that go beyond traditional static analysis

How do I install Code Review Swarm by spencermarx in Claude Code?

Download code-review-swarm.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 Code Review Swarm 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 Code Review Swarm 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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Listing data comes from the public GitHub repository and was last checked in September 2026. Excerpts are © their authors and shared under Apache-2.0. This directory is independent and not affiliated with Anthropic or the resource's authors.