---
layout: page
title: Architecture
description: Technical architecture documentation for Terry-Form MCP
---
# Architecture Documentation
Explore the technical architecture of Terry-Form MCP.
```mermaid
graph TB
subgraph External
A[AI Assistants]
B[Web Clients]
C[CI/CD Systems]
end
subgraph "Terry-Form MCP"
D[Protocol Layer]
E[Security Layer]
F[Execution Engine]
G[Integration Layer]
end
subgraph Infrastructure
H[Cloud Providers]
I[Terraform State]
J[Git Repositories]
end
A --> D
B --> D
C --> D
D --> E
E --> F
E --> G
F --> H
F --> I
G --> J
```
## Architecture Documents
<div class="arch-grid">
{% for doc in site.architecture %}
<div class="arch-card">
<div class="arch-icon">{{ doc.icon | default: "📄" }}</div>
<h3><a href="{{ doc.url | relative_url }}">{{ doc.title }}</a></h3>
<p>{{ doc.description }}</p>
{% if doc.topics %}
<div class="arch-topics">
{% for topic in doc.topics %}
<span class="topic-badge">{{ topic }}</span>
{% endfor %}
</div>
{% endif %}
</div>
{% endfor %}
</div>
## Key Architectural Principles
### 🔒 Security First
Every component is designed with security as the primary concern. Defense in depth with multiple security layers.
### 📦 Modular Design
Components are loosely coupled and can be deployed independently. Easy to extend and maintain.
### 🚀 High Performance
Asynchronous operations, connection pooling, and intelligent caching for optimal performance.
### 🔄 Scalability
Horizontal scaling support with stateless components and shared state management.
### 🛡️ Fault Tolerance
Graceful error handling, circuit breakers, and automatic recovery mechanisms.
### 📊 Observable
Comprehensive logging, metrics, and tracing for full system visibility.
## Component Overview
<div class="component-grid">
<div class="component">
<h3>Protocol Layer</h3>
<p>Handles MCP and HTTP communications</p>
<ul>
<li>Request validation</li>
<li>Response formatting</li>
<li>Protocol translation</li>
</ul>
</div>
<div class="component">
<h3>Security Layer</h3>
<p>Enforces security policies</p>
<ul>
<li>Authentication</li>
<li>Authorization</li>
<li>Input sanitization</li>
</ul>
</div>
<div class="component">
<h3>Execution Engine</h3>
<p>Manages Terraform operations</p>
<ul>
<li>Command execution</li>
<li>State management</li>
<li>Resource isolation</li>
</ul>
</div>
<div class="component">
<h3>Integration Layer</h3>
<p>External service connections</p>
<ul>
<li>GitHub API</li>
<li>Cloud providers</li>
<li>Terraform Cloud</li>
</ul>
</div>
</div>
## Deployment Architectures
### Single Instance
Best for development and small teams.
```mermaid
graph LR
A[Client] --> B[Terry-Form MCP]
B --> C[Local Workspace]
B --> D[Docker Volume]
```
### High Availability
For production environments.
```mermaid
graph TB
subgraph "Load Balancer"
LB[HAProxy/ALB]
end
subgraph "Application Tier"
A1[Instance 1]
A2[Instance 2]
A3[Instance 3]
end
subgraph "Data Tier"
DB[(PostgreSQL)]
S3[Object Storage]
R[Redis Cache]
end
LB --> A1
LB --> A2
LB --> A3
A1 --> DB
A1 --> S3
A1 --> R
A2 --> DB
A2 --> S3
A2 --> R
A3 --> DB
A3 --> S3
A3 --> R
```
### Kubernetes Native
Cloud-native deployment.
```mermaid
graph TB
subgraph "Kubernetes Cluster"
I[Ingress]
subgraph "Terry-Form Namespace"
D[Deployment]
S[Service]
C[ConfigMap]
SC[Secret]
PVC[PersistentVolume]
end
subgraph "Monitoring"
P[Prometheus]
G[Grafana]
end
end
I --> S
S --> D
D --> C
D --> SC
D --> PVC
D --> P
```
## Data Flow
### Request Processing
```mermaid
sequenceDiagram
participant C as Client
participant P as Protocol Handler
participant S as Security Layer
participant E as Executor
participant T as Terraform
C->>P: MCP Request
P->>S: Validate Request
S->>S: Check Permissions
S->>E: Authorized Request
E->>T: Execute Command
T-->>E: Command Output
E-->>S: Result
S-->>P: Sanitized Result
P-->>C: MCP Response
```
## Technology Stack
| Layer | Technology | Purpose |
|-------|------------|---------|
| Runtime | Python 3.9+ | Core application |
| Protocol | FastMCP | MCP implementation |
| Web Framework | aiohttp | Async HTTP server |
| Security | JWT, OAuth | Authentication |
| Container | Docker | Packaging |
| Orchestration | Kubernetes | Production deployment |
| IaC | Terraform | Infrastructure management |
| Monitoring | Prometheus/Grafana | Observability |
## Performance Characteristics
- **Request Latency**: < 100ms (p99)
- **Terraform Operations**: Depends on infrastructure size
- **Concurrent Operations**: 100+ per instance
- **Memory Usage**: ~512MB base
- **CPU Usage**: 0.5-2 cores typical
## Next Steps
- Review the [Architecture Overview]({{ site.baseurl }}/architecture/overview) for detailed component descriptions
- Additional architecture documents coming soon
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