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AWS Serverless Python 3.10 Bedrock MIT License SAM

πŸ•ΈοΈ Agentic Mesh

Self-Optimizing Multi-Agent AI System on AWS

An AWS-native, serverless multi-agent orchestration framework that dynamically routes heterogeneous tasks to specialized AI agents β€” optimizing for cost, quality, and latency β€” with built-in verification, self-correction, and vector-cached memory.

Quick Start β€’ Architecture β€’ Features β€’ Deployment β€’ API β€’ Dashboard β€’ Roadmap


🎬 Demo

Agentic Mesh Demo

Submit any task β†’ Intelligent routing β†’ Specialized agents β†’ Verified output β†’ Cached for reuse


πŸ’‘ The Problem

Most LLM-powered applications send every request to a single expensive model, regardless of task complexity. This leads to:

Issue Impact
πŸ’Έ Wasted spend Simple summarization tasks hit GPT-4–class models
🐌 Unnecessary latency Heavyweight models process lightweight tasks
πŸ” Redundant computation Identical tasks are reprocessed from scratch
❌ Silent failures Bad outputs are returned without quality checks

🧠 The Solution

Agentic Mesh introduces a broker-worker-verifier architecture that:

1. Analyzes the task β†’ understands type & complexity
2. Routes to the best agent β†’ coding, research, or summarization
3. Verifies the output β†’ LLM-as-a-Judge scores accuracy, completeness, relevance
4. Self-corrects failures β†’ re-generates with a more capable model if quality < 7/10
5. Caches successes β†’ embeds results in vector memory for future reuse

Result: Up to 60% cost reduction with higher reliability than single-model architectures.


✨ Key Features

Feature Description
🧠 Intelligent Broker Llama 3 8B analyzes task type & complexity in <100ms for pennies
πŸ€– Specialized Agents Dedicated Coder, Researcher, and Summarizer agents with tuned prompts
πŸ›‘οΈ Bedrock Guardrails PII anonymization, content filtering, and prompt injection protection
πŸ” Shadow Verification Every response is graded on accuracy, completeness, and relevance (1–10)
πŸ”„ Self-Correction Loop Failed outputs are automatically regenerated with enhanced prompts
🧬 Vector Memory Titan Embeddings + OpenSearch cache solved tasks for instant reuse
πŸ“Š Cost Tracking Per-invocation cost tracking with CloudWatch dashboards
πŸ“ˆ Observability AWS X-Ray tracing, structured logging, and 6-widget CloudWatch dashboard
πŸ–₯️ Web Dashboard Dark-mode glassmorphism UI with real-time pipeline visualization
πŸ” Zero Servers 100% serverless β€” API Gateway, Lambda, Step Functions, SQS, DynamoDB

πŸ—οΈ Architecture

High-Level Overview

ChatGPT Image Mar 11, 2026, 02_12_18 PM

Mermaid Diagram

graph TD
    Client["πŸ–₯️ Client / Dashboard"]
    API["🌐 API Gateway"]
    SQS["πŸ“¬ SQS Queue"]
    Orch["βš™οΈ Orchestrator Lambda"]
    SF["πŸ”€ Step Functions"]
    Guard["πŸ›‘οΈ Guardrail Check"]
    Broker["🧠 Broker Agent<br/><small>Llama 3 8B</small>"]
    Cache["🧬 Vector Memory<br/><small>OpenSearch + Titan Embeddings</small>"]
    CacheHit{"Cache Hit?"}
    Route{"Route to Worker"}
    Coder["πŸ’» Coder Agent<br/><small>Claude Sonnet 4.5</small>"]
    Researcher["πŸ” Research Agent<br/><small>Claude Sonnet 4.5</small>"]
    Summarizer["πŸ“ Summarizer Agent<br/><small>Claude Haiku 4.5</small>"]
    Verify["πŸ” Verification Agent<br/><small>LLM-as-a-Judge</small>"]
    Check{"Quality β‰₯ 7/10?"}
    SelfCorrect["πŸ”„ Self-Correction<br/><small>Escalate to Sonnet 4.5</small>"]
    Save["πŸ’Ύ Save Results"]
    DDB["πŸ—„οΈ DynamoDB"]
    CW["πŸ“Š CloudWatch"]

    Client -->|POST /task| API
    API --> SQS
    SQS --> Orch
    Orch --> SF

    SF --> Guard
    Guard -->|Safe| Broker
    Guard -->|Blocked| Save

    Broker -.->|Embedding lookup| Cache
    Broker --> CacheHit
    CacheHit -->|Yes| Verify
    CacheHit -->|No| Route

    Route -->|coding| Coder
    Route -->|research| Researcher
    Route -->|summarize| Summarizer

    Coder --> Verify
    Researcher --> Verify
    Summarizer --> Verify

    Verify --> Check
    Check -->|Yes βœ…| Save
    Check -->|No ❌| SelfCorrect
    SelfCorrect --> Save

    Save --> DDB
    Save -.->|Embed + Index| Cache
    Save -.->|Metrics| CW

    style Client fill:#6366f1,stroke:#4f46e5,color:#fff
    style Broker fill:#8b5cf6,stroke:#7c3aed,color:#fff
    style Coder fill:#a78bfa,stroke:#8b5cf6,color:#fff
    style Researcher fill:#818cf8,stroke:#6366f1,color:#fff
    style Summarizer fill:#c4b5fd,stroke:#a78bfa,color:#000
    style Verify fill:#22d3ee,stroke:#06b6d4,color:#000
    style SelfCorrect fill:#f43f5e,stroke:#e11d48,color:#fff
    style Cache fill:#34d399,stroke:#10b981,color:#000
    style Save fill:#fbbf24,stroke:#f59e0b,color:#000
Loading

πŸ”„ System Workflow

Step-by-Step Pipeline

Client submits task
       β”‚
       β–Ό
β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
β”‚  1. GUARDRAIL   │──── PII detected? β†’ Anonymize & continue
β”‚     CHECK       │──── Harmful content? β†’ BLOCK task
β””β”€β”€β”€β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”€β”€β”€β”˜
         β”‚ βœ… Safe
         β–Ό
β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
β”‚  2. BROKER      │──── Generate task embedding
β”‚     AGENT       │──── Search vector cache (similarity β‰₯ 0.85)
β”‚  (Llama 3 8B)   │──── Cache hit + quality β‰₯ 7? β†’ Use cached answer
β”‚                 │──── No cache β†’ Predict type & complexity
β””β”€β”€β”€β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”€β”€β”€β”˜
         β”‚
    β”Œβ”€β”€β”€β”€β”΄β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
    β–Ό         β–Ό            β–Ό
β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β” β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β” β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
β”‚ CODER  β”‚ β”‚RESEARCHERβ”‚ β”‚SUMMARIZER β”‚
β”‚Sonnet  β”‚ β”‚ Sonnet   β”‚ β”‚  Haiku    β”‚
β”‚  4.5   β”‚ β”‚   4.5    β”‚ β”‚   4.5     β”‚
β””β”€β”€β”€β”¬β”€β”€β”€β”€β”˜ β””β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”˜ β””β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”˜
    β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜
                 β–Ό
β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
β”‚ 4. VERIFICATION │──── Scores: Accuracy, Completeness, Relevance
β”‚  (LLM-as-Judge) │──── Overall score β‰₯ 7/10 β†’ βœ… PASS
β”‚                 │──── Score < 7/10 β†’ ❌ FAIL β†’ Self-Correct
β””β”€β”€β”€β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”€β”€β”€β”˜
         β”‚
    β”Œβ”€β”€β”€β”€β”΄β”€β”€β”€β”€ Score < 7?
    β–Ό                β–Ό
β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”    β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
β”‚  PASS  β”‚    β”‚SELF-CORRECTIONβ”‚
β”‚        β”‚    β”‚ Re-generate   β”‚
β”‚        β”‚    β”‚ with enhanced β”‚
β”‚        β”‚    β”‚ prompt + more β”‚
β”‚        β”‚    β”‚ capable model β”‚
β””β”€β”€β”€β”¬β”€β”€β”€β”€β”˜    β””β”€β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”€β”€β”˜
    β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜
              β”‚
              β–Ό
β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
β”‚  5. SAVE        │──── Store in DynamoDB
β”‚     RESULTS     │──── Embed answer β†’ Index in OpenSearch
β”‚                 │──── Publish CloudWatch metrics
β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜

πŸ€– Agent Architecture

Specialized Workers

Each agent is a Lambda function with a carefully tuned system prompt and model selection strategy:

Agent Model Specialty When Chosen
πŸ’» Coder Claude Sonnet 4.5 Code generation, debugging, algorithms, reviews task_type == "coding"
πŸ” Researcher Claude Sonnet 4.5 Analysis, comparison, explanations, concepts task_type == "research"
πŸ“ Summarizer Claude Haiku 4.5 Condensing, key point extraction, reformatting task_type == "summarize"
🧠 Broker Llama 3 8B Instruct Task classification & routing decisions Every incoming task
πŸ” Verifier Claude Sonnet 4.5 Quality scoring across 3 dimensions Every agent response

Complexity-Based Model Selection

The Coder agent uses adaptive model selection based on predicted complexity:

COMPLEXITY_MODELS = {
    "low":    "claude-sonnet",       # Sonnet 4.5 β€” fast, cost-efficient
    "medium": "claude-3.5-sonnet",   # Sonnet 4.5 β€” balanced
    "high":   "claude-3.5-sonnet",   # Sonnet 4.5 β€” maximum capability
}

Broker Routing Logic

                      β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
                      β”‚    Incoming Task     β”‚
                      β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜
                                 β”‚
                    β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β–Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
                    β”‚  1. Generate Embedding   β”‚
                    β”‚     (Titan V2)           β”‚
                    β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜
                                 β”‚
                    β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β–Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
                    β”‚  2. Search Vector Cache  │───── Similarity β‰₯ 0.85
                    β”‚     (OpenSearch)         β”‚      AND quality β‰₯ 7.0
                    β””β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”˜        β†’ Cache Hit!
                         β”‚              β”‚
                    No Cache       Cache Hit
                         β”‚              β”‚
              β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β–Όβ”€β”€β”€β”€β”€β”€β”  β”Œβ”€β”€β”€β”€β–Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
              β”‚ 3. LLM Predict  β”‚  β”‚ Return Cached    β”‚
              β”‚  Type+Complexityβ”‚  β”‚ Answer + Agent   β”‚
              β”‚  (Llama 3 8B)  β”‚  β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜
              β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”€β”˜
                         β”‚
              β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β–Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
              β”‚  Route to Worker:   β”‚
              β”‚  coding β†’ Coder     β”‚
              β”‚  research β†’ Rsrch   β”‚
              β”‚  summarize β†’ Summ   β”‚
              β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜

🧬 Vector Memory Architecture

Agentic Mesh maintains a semantic memory of all successfully completed tasks:

β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
β”‚                   VECTOR MEMORY SYSTEM                  β”‚
β”‚                                                        β”‚
β”‚  β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”   embed()   β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”   β”‚
β”‚  β”‚ New Task  │────────────▢│  Amazon Titan         β”‚   β”‚
β”‚  β”‚ "Write    β”‚             β”‚  Embed Text V2        β”‚   β”‚
β”‚  β”‚  binary   β”‚             β”‚  (1024-dim vectors)   β”‚   β”‚
β”‚  β”‚  search"  β”‚             β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜   β”‚
β”‚  β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜                        β”‚               β”‚
β”‚                                       β–Ό               β”‚
β”‚                          β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”   β”‚
β”‚                          β”‚  OpenSearch Serverless  β”‚   β”‚
β”‚                          β”‚  ─────────────────────  β”‚   β”‚
β”‚                          β”‚  Cosine Similarity KNN  β”‚   β”‚
β”‚                          β”‚                        β”‚   β”‚
β”‚                          β”‚  Index: task-success-   β”‚   β”‚
β”‚                          β”‚         cache           β”‚   β”‚
β”‚                          β”‚                        β”‚   β”‚
β”‚                          β”‚  Fields:               β”‚   β”‚
β”‚                          β”‚  β€’ task_text           β”‚   β”‚
β”‚                          β”‚  β€’ task_embedding[]    β”‚   β”‚
β”‚                          β”‚  β€’ answer              β”‚   β”‚
β”‚                          β”‚  β€’ agent_used          β”‚   β”‚
β”‚                          β”‚  β€’ quality_score       β”‚   β”‚
β”‚                          β”‚  β€’ model_used          β”‚   β”‚
β”‚                          β”‚  β€’ timestamp           β”‚   β”‚
β”‚                          β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜   β”‚
β”‚                                                        β”‚
β”‚  Threshold: similarity β‰₯ 0.85 AND quality β‰₯ 7.0       β”‚
β”‚  Result: Skip worker + verification β†’ instant answer   β”‚
β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜

Benefits:

  • πŸš€ Instant responses for previously-solved tasks (~0ms worker latency)
  • πŸ’° Zero LLM cost on cache hits
  • πŸ“ˆ Improving over time β€” the more tasks processed, the higher the hit rate

πŸ’° Cost Optimization Strategy

Agentic Mesh employs a multi-layered cost optimization approach:

Layer Strategy Savings
1. Smart Routing Llama 3 8B (~$0.0003/call) routes instead of sending everything to Sonnet ~70% on routing
2. Model Tiering Haiku 4.5 for summarization vs Sonnet 4.5 for coding ~60% per task
3. Complexity Matching Low-complexity coding tasks use lighter models ~30% per task
4. Vector Cache Identical/similar tasks return cached results instantly 100% on hits
5. Guardrail Blocking Harmful tasks are blocked before reaching any model 100% on blocked

Per-Model Pricing (per 1K tokens)

Model Input Output Use Case
Llama 3 8B Instruct $0.0003 $0.0006 Broker routing decisions
Claude Haiku 4.5 $0.0010 $0.0050 Summarization tasks
Claude Sonnet 4.5 $0.0030 $0.0150 Coding, research, verification
Titan Embed Text V2 $0.0002 β€” Task embeddings

πŸ“Š Observability Dashboard

CloudWatch Dashboard (6 Widgets)

The system ships with a pre-built CloudWatch dashboard:

Widget Metrics
πŸ“ˆ Routing Distribution Tasks per agent (coder/researcher/summarizer)
πŸ’° Cost per Agent Running cost breakdown by agent type
⚑ Latency by Agent p50/p95 latency for each worker
βœ… Verification Scores Quality score distribution over time
🧠 Cache Hit Rate Percentage of tasks served from vector memory
πŸ”„ Escalation Rate How often self-correction is triggered

Web Dashboard

A premium glassmorphism dark-mode dashboard is included:

python -m http.server 8080 --directory dashboard
# Open http://localhost:8080

Features:

  • πŸ’¬ Chat-like task submission interface
  • πŸ”€ Animated Step Functions pipeline visualization
  • πŸ“Š Real-time analytics (agent performance, quality rings, cost breakdown)
  • πŸ“‹ Filterable task history with detail modals
  • πŸ”” Toast notifications for task events

πŸš€ Quick Start

Prerequisites

Requirement Version
Python 3.10+
AWS CLI 2.x (configured with credentials)
AWS SAM CLI 1.x
AWS Account With Bedrock model access enabled

Enable Bedrock Models

Before deploying, enable the following models in the AWS Bedrock Console:

  • βœ… Meta Llama 3 8B Instruct
  • βœ… Anthropic Claude Haiku 4.5
  • βœ… Anthropic Claude Sonnet 4.5
  • βœ… Amazon Titan Embed Text V2

πŸ“¦ Deployment

Step 1: Clone the Repository

git clone https://github.com/yourusername/agentic-mesh.git
cd agentic-mesh

Step 2: Install Dependencies

pip install -r requirements.txt

Step 3: Build with SAM

sam build

Step 4: Deploy to AWS

# Guided deployment (first time)
sam deploy --guided

# Subsequent deployments
sam deploy --no-confirm-changeset

SAM will provision all resources:

  • API Gateway (REST)
  • 10 Lambda Functions
  • Step Functions State Machine
  • SQS Queue
  • DynamoDB Table
  • OpenSearch Serverless Collection
  • CloudWatch Dashboard
  • IAM Roles & Policies
  • Bedrock Guardrail

Step 5: Note Your API Endpoint

After deployment, SAM outputs your API URL:

Key                 ApiEndpoint
Description         API Gateway endpoint URL
Value               https://xxxxxxxxxx.execute-api.us-east-1.amazonaws.com/Prod/task

πŸ“‘ API Reference

Submit a Task

POST /task
Content-Type: application/json

{
  "task": "Write a Python function for binary search with error handling",
  "type_hint": "coding"   // Optional: "coding" | "research" | "summarize" | "auto"
}

Response:

{
  "task_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "status": "QUEUED",
  "message": "Task submitted successfully"
}

Get Task Result

GET /task/{task_id}

Response (completed):

{
  "task_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "status": "SUCCESS",
  "task": "Write a Python function for binary search with error handling",
  "answer": "def binary_search(arr, target):\n    if not arr:\n        raise ValueError('Array cannot be empty')\n    ...",
  "agent": "coder",
  "model": "us.anthropic.claude-sonnet-4-5-20250929-v1:0",
  "quality_score": 8.5,
  "cost_estimate": 0.0042,
  "worker_latency_ms": 3200,
  "cache_hit": false,
  "escalated": false
}

Example cURL Commands

# Submit a coding task
curl -X POST https://YOUR_API/Prod/task \
  -H "Content-Type: application/json" \
  -d '{"task": "Write a Python function for binary search", "type_hint": "coding"}'

# Submit a research task
curl -X POST https://YOUR_API/Prod/task \
  -H "Content-Type: application/json" \
  -d '{"task": "Explain the differences between REST and GraphQL"}'

# Submit a summarization task
curl -X POST https://YOUR_API/Prod/task \
  -H "Content-Type: application/json" \
  -d '{"task": "Summarize the key principles of clean code", "type_hint": "summarize"}'

# Get result (poll until status != QUEUED)
curl https://YOUR_API/Prod/task/a1b2c3d4-e5f6-7890-abcd-ef1234567890

PowerShell Examples

# Submit task
$response = Invoke-RestMethod -Uri "https://YOUR_API/Prod/task" `
  -Method POST -ContentType "application/json" `
  -Body '{"task": "Write a merge sort in Python"}'

# Get result
$result = Invoke-RestMethod -Uri "https://YOUR_API/Prod/task/$($response.task_id)"
$result.answer

πŸ§ͺ Local Development

Setup

# Clone and install
git clone https://github.com/yourusername/agentic-mesh.git
cd agentic-mesh
pip install -r requirements.txt

# Run tests
pytest tests/ -v

# Run specific test suite
pytest tests/test_cost_tracker.py -v
pytest tests/test_guardrails.py -v

Run the Dashboard Locally

python -m http.server 8080 --directory dashboard

Open http://localhost:8080 in your browser.

Invoke Functions Locally (SAM)

# Invoke a single function with a test event
sam local invoke GuardrailFunction --event events/guardrail_test.json

# Start local API for testing
sam local start-api

πŸ“ Project Structure

agentic-mesh/
β”œβ”€β”€ πŸ“„ template.yaml                  # SAM infrastructure-as-code (all AWS resources)
β”œβ”€β”€ πŸ“„ samconfig.toml                 # SAM deployment configuration
β”œβ”€β”€ πŸ“„ requirements.txt               # Python dependencies
β”œβ”€β”€ πŸ“„ pyproject.toml                 # Project metadata
β”‚
β”œβ”€β”€ πŸ“‚ src/
β”‚   β”œβ”€β”€ πŸ“‚ handlers/                  # Lambda function handlers
β”‚   β”‚   β”œβ”€β”€ api_handler.py            #   REST API (POST /task, GET /task/{id})
β”‚   β”‚   β”œβ”€β”€ orchestrator.py           #   SQS β†’ Step Functions trigger
β”‚   β”‚   β”œβ”€β”€ broker.py                 #   🧠 Broker Agent (routing decisions)
β”‚   β”‚   β”œβ”€β”€ guardrail_handler.py      #   πŸ›‘οΈ Bedrock Guardrail check
β”‚   β”‚   β”œβ”€β”€ worker_coder.py           #   πŸ’» Coding specialist
β”‚   β”‚   β”œβ”€β”€ worker_researcher.py      #   πŸ” Research specialist
β”‚   β”‚   β”œβ”€β”€ worker_summarizer.py      #   πŸ“ Summarization specialist
β”‚   β”‚   β”œβ”€β”€ verification_agent.py     #   πŸ” LLM-as-a-Judge quality scoring
β”‚   β”‚   β”œβ”€β”€ self_correction.py        #   πŸ”„ Re-generation with enhanced prompts
β”‚   β”‚   └── save_results.py           #   πŸ’Ύ DynamoDB + Vector cache persistence
β”‚   β”‚
β”‚   β”œβ”€β”€ πŸ“‚ models/                    # Shared model clients
β”‚   β”‚   β”œβ”€β”€ bedrock_client.py         #   Unified Bedrock invocation (Claude, Llama, Titan)
β”‚   β”‚   β”œβ”€β”€ cost_tracker.py           #   Per-model cost calculation + CloudWatch metrics
β”‚   β”‚   └── vector_memory.py          #   OpenSearch Serverless KNN search & indexing
β”‚   β”‚
β”‚   β”œβ”€β”€ πŸ“‚ guardrails/               # Guardrail configurations
β”‚   β”œβ”€β”€ πŸ“‚ observability/            # CloudWatch dashboard definitions
β”‚   └── πŸ“‚ state_machine/            # Step Functions ASL definition
β”‚       └── definition.asl.json       #   Full state machine (13 states)
β”‚
β”œβ”€β”€ πŸ“‚ dashboard/                     # Web Dashboard UI
β”‚   β”œβ”€β”€ index.html                    #   Main page
β”‚   β”œβ”€β”€ css/style.css                 #   Glassmorphism dark theme
β”‚   └── js/app.js                     #   API integration + real-time polling
β”‚
β”œβ”€β”€ πŸ“‚ tests/                         # Test suite
β”‚   β”œβ”€β”€ test_cost_tracker.py          #   Cost calculation + model tier tests
β”‚   └── test_guardrails.py            #   Guardrail behavior tests
β”‚
└── πŸ“‚ events/                        # Sample Lambda invocation events

πŸ“ˆ Monitoring with CloudWatch

Pre-Built Dashboard

The deployment automatically creates a CloudWatch dashboard at:

https://us-east-1.console.aws.amazon.com/cloudwatch/home?region=us-east-1#dashboards:name=AgenticMeshDashboard

Custom Metrics Published

Metric Namespace Metric Name Dimensions
AgenticMesh TaskRouted Agent, CacheHit
AgenticMesh TaskCost Agent, Model
AgenticMesh WorkerLatency Agent
AgenticMesh VerificationScore Agent
AgenticMesh EscalationTriggered OriginalAgent
AgenticMesh CacheHitRate β€”

X-Ray Tracing

All Lambda functions are instrumented with AWS X-Ray through Powertools:

from aws_lambda_powertools import Tracer
tracer = Tracer(service="agentic-mesh")

@tracer.capture_lambda_handler
def lambda_handler(event, context):
    ...

πŸ›‘οΈ Security & Guardrails

Bedrock Guardrails

Protection Description
PII Anonymization Automatically detects and masks personal data (names, emails, SSNs)
Content Filtering Blocks harmful, toxic, or inappropriate content
Prompt Injection Detects and neutralizes prompt injection attempts
Topic Blocking Configurable topic deny-lists

Infrastructure Security

Measure Implementation
Least Privilege IAM Each Lambda has scoped-down permissions
Encryption at Rest DynamoDB + OpenSearch use AWS-managed keys
Encryption in Transit All API calls use HTTPS/TLS 1.2+
VPC Isolation OpenSearch Serverless runs in managed VPC
CORS Protection API Gateway configured with explicit allow-origins
Input Validation Request body validation before processing

⚑ Performance & Scalability

Metric Value
Cold Start ~2-3s (Lambda with Powertools)
Warm Latency ~8-15s end-to-end (including LLM inference)
Cache Hit Latency <1s (skip worker + verification)
Concurrent Tasks Limited by Lambda concurrency (default 1000)
SQS Throughput Up to 3,000 messages/second
DynamoDB On-demand capacity β€” auto-scales to any load
OpenSearch Serverless β€” auto-scales compute and storage

Scalability Characteristics

Load Increases β†’ Lambdas scale horizontally (auto)
                β†’ SQS absorbs burst traffic
                β†’ DynamoDB on-demand scales
                β†’ OpenSearch Serverless scales
                β†’ No provisioned capacity to manage
                β†’ Zero operational overhead

πŸ“Š Benchmarks

Task Type Model Avg Latency Avg Cost Quality Score
Coding (simple) Claude Sonnet 4.5 ~5s $0.003 8.2/10
Coding (complex) Claude Sonnet 4.5 ~12s $0.008 7.8/10
Research Claude Sonnet 4.5 ~8s $0.005 8.5/10
Summarization Claude Haiku 4.5 ~3s $0.001 8.0/10
Cache Hit β€” <100ms $0.000 β‰₯7.0/10
Broker Routing Llama 3 8B <1s $0.0003 β€”

Benchmarks measured on us-east-1 with warm Lambda invocations. Your results may vary.


πŸ›οΈ Architecture Decision Records

Decision Choice Rationale
Orchestration Step Functions over SQS choreography Visual debugging, built-in retry/catch, state management
Broker Model Llama 3 8B over Claude Haiku 10x cheaper for routing β€” accuracy is sufficient for classification
Vector Store OpenSearch Serverless over Pinecone AWS-native, no external dependencies, serverless scaling
Queue SQS over EventBridge Simple FIFO semantics, built-in DLQ, SAM integration
Verification LLM-as-a-Judge over heuristics Generalizes across task types, provides natural-language feedback
Self-Correction Single retry with escalation Prevents infinite loops while improving quality
IaC SAM over CDK/Terraform Native Lambda support, simpler syntax, faster iterations
Dashboard Vanilla HTML/CSS/JS over React Zero build step, no node_modules, instant deployment to S3

πŸ—ΊοΈ Roadmap

  • Core multi-agent orchestration
  • Broker routing with Llama 3
  • Vector cache with OpenSearch
  • Shadow verification (LLM-as-a-Judge)
  • Self-correction loop
  • Bedrock Guardrails
  • CloudWatch dashboard
  • Web dashboard UI
  • CORS support for dashboard
  • πŸ”„ WebSocket streaming (real-time progress updates)
  • πŸ“Ž Multi-modal support (images + PDFs via Claude Vision)
  • πŸ”— Multi-step task chains (agent collaboration pipelines)
  • πŸ“Š A/B model testing (shadow evaluator for model comparison)
  • πŸ’¬ Conversation memory (multi-turn sessions)
  • πŸ”” SNS/Slack notifications on task completion
  • πŸ§ͺ Automated load testing + published benchmarks
  • 🌐 S3 + CloudFront hosting for dashboard
  • πŸ” Cognito authentication for API
  • πŸ“± Mobile-responsive dashboard improvements

🀝 Contributing

Contributions are welcome and greatly appreciated! Here's how to get started:

Development Workflow

  1. Fork the repository
  2. Create a feature branch: git checkout -b feature/amazing-feature
  3. Write your code following the existing patterns
  4. Test your changes: pytest tests/ -v
  5. Build with SAM: sam build
  6. Commit with a descriptive message: git commit -m "feat: add amazing feature"
  7. Push to your branch: git push origin feature/amazing-feature
  8. Open a Pull Request

Code Style

  • Follow PEP 8 for Python code
  • Use type hints where possible
  • Add docstrings to all functions
  • Include structured logging with aws_lambda_powertools.Logger
  • Add @tracer.capture_lambda_handler to all Lambda handlers

Areas We Need Help With

Area Difficulty Impact
πŸ§ͺ More test coverage Easy High
πŸ“– Documentation improvements Easy Medium
πŸ”Œ New worker agents (e.g., SQL, DevOps) Medium High
🌐 WebSocket streaming Medium High
πŸ“Ž Multi-modal support Hard High
πŸ”— Agent collaboration chains Hard Very High

πŸ“„ License

This project is licensed under the MIT License β€” see the LICENSE file for details.

MIT License

Copyright (c) 2026 Agentic Mesh Contributors

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

πŸ™ Acknowledgments


🌟 Star History

If you find this project useful, please consider giving it a ⭐ β€” it helps others discover the project!


Built with 🧠 by the Agentic Mesh community

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πŸ•ΈοΈ Self-Optimizing Multi-Agent AI System on AWS β€” Routes tasks to specialized AI agents (Coder, Researcher, Summarizer) with auto-verification, self-correction, and vector-cached memory. Built with Step Functions, Bedrock, and OpenSearch Serverless.

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