<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Begin Jekyll SEO tag v2.8.0 -->
<title>Architecture | Terry-Form MCP</title>
<meta name="generator" content="Jekyll v3.9.5" />
<meta property="og:title" content="Architecture" />
<meta name="author" content="AJ Geddes" />
<meta property="og:locale" content="en_US" />
<meta name="description" content="Technical architecture documentation for Terry-Form MCP" />
<meta property="og:description" content="Technical architecture documentation for Terry-Form MCP" />
<link rel="canonical" href="http://localhost:4000/terry-form-mcp/architecture/index" />
<meta property="og:url" content="http://localhost:4000/terry-form-mcp/architecture/index" />
<meta property="og:site_name" content="Terry-Form MCP" />
<meta property="og:type" content="article" />
<meta property="article:published_time" content="2025-10-06T05:22:44-05:00" />
<meta name="twitter:card" content="summary" />
<meta property="twitter:title" content="Architecture" />
<meta name="twitter:site" content="@terryform" />
<meta name="twitter:creator" content="@AJ Geddes" />
<script type="application/ld+json">
{"@context":"https://schema.org","@type":"BlogPosting","author":{"@type":"Person","name":"AJ Geddes"},"dateModified":"2025-10-05T19:55:00-05:00","datePublished":"2025-10-06T05:22:44-05:00","description":"Technical architecture documentation for Terry-Form MCP","headline":"Architecture","mainEntityOfPage":{"@type":"WebPage","@id":"http://localhost:4000/terry-form-mcp/architecture/index"},"publisher":{"@type":"Organization","logo":{"@type":"ImageObject","url":"http://localhost:4000/terry-form-mcp/assets/images/terry-form-logo.png"},"name":"AJ Geddes"},"url":"http://localhost:4000/terry-form-mcp/architecture/index"}</script>
<!-- End Jekyll SEO tag -->
<link rel="stylesheet" href="/terry-form-mcp/assets/css/style.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/themes/prism-tomorrow.min.css">
<link type="application/atom+xml" rel="alternate" href="http://localhost:4000/terry-form-mcp/feed.xml" title="Terry-Form MCP" />
<!-- Mermaid for diagrams -->
<script src="https://cdn.jsdelivr.net/npm/mermaid@10/dist/mermaid.min.js"></script>
<script>
// Convert code.language-mermaid blocks to div.mermaid for rendering
document.addEventListener('DOMContentLoaded', function() {
document.querySelectorAll('code.language-mermaid').forEach(function(block) {
const pre = block.parentElement;
const div = document.createElement('div');
div.className = 'mermaid';
div.textContent = block.textContent;
pre.parentElement.replaceChild(div, pre);
});
mermaid.initialize({
startOnLoad: true,
theme: window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'default'
});
mermaid.init(undefined, document.querySelectorAll('.mermaid'));
});
</script>
</head>
<body>
<nav class="main-nav">
<div class="nav-container">
<a href="/terry-form-mcp/" class="nav-logo">
<img src="/terry-form-mcp/assets/images/terry-form-logo.png" alt="Terry-Form MCP">
<span>Terry-Form MCP</span>
</a>
<button class="nav-toggle" aria-label="Toggle navigation">
<span></span>
<span></span>
<span></span>
</button>
<div class="nav-menu">
<a href="/terry-form-mcp/"
class="nav-link "
>
Home
</a>
<a href="/terry-form-mcp/getting-started"
class="nav-link "
>
Getting Started
</a>
<a href="/terry-form-mcp/guides/"
class="nav-link "
>
Guides
</a>
<a href="/terry-form-mcp/api/"
class="nav-link "
>
API Reference
</a>
<a href="/terry-form-mcp/architecture/"
class="nav-link "
>
Architecture
</a>
<a href="/terry-form-mcp/tutorials/"
class="nav-link "
>
Tutorials
</a>
<a href="https://github.com/aj-geddes/terry-form-mcp"
class="nav-link "
target="_blank" rel="noopener">
GitHub
<i class="fab fa-github"></i>
</a>
</div>
</div>
</nav>
<main class="main-content">
<article class="page">
<header class="page-header">
<h1>Architecture</h1>
</header>
<div class="page-content">
<h1 id="architecture-documentation">Architecture Documentation</h1>
<p>Explore the technical architecture of Terry-Form MCP.</p>
<div class="architecture-overview">
<div class="arch-diagram">
```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
```
</div>
</div>
<h2 id="architecture-documents">Architecture Documents</h2>
<div class="arch-grid">
<div class="arch-card">
<div class="arch-icon">📄</div>
<h3><a href="/terry-form-mcp/architecture/index">Architecture</a></h3>
<p>Technical architecture documentation for Terry-Form MCP</p>
</div>
<div class="arch-card">
<div class="arch-icon">📄</div>
<h3><a href="/terry-form-mcp/architecture/overview">Architecture Overview</a></h3>
<p>High-level architecture of Terry-Form MCP</p>
</div>
</div>
<h2 id="key-architectural-principles">Key Architectural Principles</h2>
<h3 id="-security-first">🔒 Security First</h3>
<p>Every component is designed with security as the primary concern. Defense in depth with multiple security layers.</p>
<h3 id="-modular-design">📦 Modular Design</h3>
<p>Components are loosely coupled and can be deployed independently. Easy to extend and maintain.</p>
<h3 id="-high-performance">🚀 High Performance</h3>
<p>Asynchronous operations, connection pooling, and intelligent caching for optimal performance.</p>
<h3 id="-scalability">🔄 Scalability</h3>
<p>Horizontal scaling support with stateless components and shared state management.</p>
<h3 id="️-fault-tolerance">🛡️ Fault Tolerance</h3>
<p>Graceful error handling, circuit breakers, and automatic recovery mechanisms.</p>
<h3 id="-observable">📊 Observable</h3>
<p>Comprehensive logging, metrics, and tracing for full system visibility.</p>
<h2 id="component-overview">Component Overview</h2>
<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>
<h2 id="deployment-architectures">Deployment Architectures</h2>
<h3 id="single-instance">Single Instance</h3>
<p>Best for development and small teams.</p>
<pre><code class="language-mermaid">graph LR
A[Client] --> B[Terry-Form MCP]
B --> C[Local Workspace]
B --> D[Docker Volume]
</code></pre>
<h3 id="high-availability">High Availability</h3>
<p>For production environments.</p>
<pre><code class="language-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
</code></pre>
<h3 id="kubernetes-native">Kubernetes Native</h3>
<p>Cloud-native deployment.</p>
<pre><code class="language-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
</code></pre>
<h2 id="data-flow">Data Flow</h2>
<h3 id="request-processing">Request Processing</h3>
<pre><code class="language-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
</code></pre>
<h2 id="technology-stack">Technology Stack</h2>
<table>
<thead>
<tr>
<th>Layer</th>
<th>Technology</th>
<th>Purpose</th>
</tr>
</thead>
<tbody>
<tr>
<td>Runtime</td>
<td>Python 3.9+</td>
<td>Core application</td>
</tr>
<tr>
<td>Protocol</td>
<td>FastMCP</td>
<td>MCP implementation</td>
</tr>
<tr>
<td>Web Framework</td>
<td>aiohttp</td>
<td>Async HTTP server</td>
</tr>
<tr>
<td>Security</td>
<td>JWT, OAuth</td>
<td>Authentication</td>
</tr>
<tr>
<td>Container</td>
<td>Docker</td>
<td>Packaging</td>
</tr>
<tr>
<td>Orchestration</td>
<td>Kubernetes</td>
<td>Production deployment</td>
</tr>
<tr>
<td>IaC</td>
<td>Terraform</td>
<td>Infrastructure management</td>
</tr>
<tr>
<td>Monitoring</td>
<td>Prometheus/Grafana</td>
<td>Observability</td>
</tr>
</tbody>
</table>
<h2 id="performance-characteristics">Performance Characteristics</h2>
<ul>
<li><strong>Request Latency</strong>: < 100ms (p99)</li>
<li><strong>Terraform Operations</strong>: Depends on infrastructure size</li>
<li><strong>Concurrent Operations</strong>: 100+ per instance</li>
<li><strong>Memory Usage</strong>: ~512MB base</li>
<li><strong>CPU Usage</strong>: 0.5-2 cores typical</li>
</ul>
<h2 id="next-steps">Next Steps</h2>
<ul>
<li>Review the <a href="/terry-form-mcp/architecture/overview">Architecture Overview</a> for detailed component descriptions</li>
<li>Additional architecture documents coming soon</li>
</ul>
<style>
.architecture-overview {
margin: 2rem 0;
padding: 2rem;
background: #f8f9fa;
border-radius: 0.5rem;
}
.arch-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
gap: 2rem;
margin: 2rem 0;
}
.arch-card {
background: white;
padding: 1.5rem;
border-radius: 0.5rem;
border: 1px solid #e9ecef;
transition: transform 0.2s;
}
.arch-card:hover {
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.arch-icon {
font-size: 2rem;
margin-bottom: 0.5rem;
}
.arch-topics {
margin-top: 1rem;
}
.topic-badge {
display: inline-block;
padding: 0.25rem 0.5rem;
background: #e3f2fd;
color: #1565c0;
border-radius: 0.25rem;
font-size: 0.75rem;
margin-right: 0.5rem;
}
.component-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 1.5rem;
margin: 2rem 0;
}
.component {
background: #f0f7ff;
padding: 1.5rem;
border-radius: 0.5rem;
border-left: 4px solid #2196F3;
}
.component h3 {
margin-top: 0;
color: #1976D2;
}
.component ul {
margin: 0.5rem 0;
padding-left: 1.5rem;
}
@media (prefers-color-scheme: dark) {
.architecture-overview {
background: #2a2a2a;
}
.arch-card {
background: #2a2a2a;
border-color: #444;
}
.topic-badge {
background: #1e3a5f;
color: #90caf9;
}
.component {
background: #1a1a2e;
border-left-color: #90caf9;
}
}
</style>
</div>
</article>
</main>
<footer class="site-footer">
<div class="footer-container">
<div class="footer-section">
<h4>Terry-Form MCP</h4>
<p>Enterprise-grade Terraform automation through Model Context Protocol</p>
<div class="social-links">
<a href="https://github.com/aj-geddes/terry-form-mcp" aria-label="GitHub">
<i class="fab fa-github"></i>
</a>
<a href="https://twitter.com/terryform" aria-label="Twitter">
<i class="fab fa-twitter"></i>
</a>
</div>
</div>
<div class="footer-section">
<h4>Documentation</h4>
<ul>
<li><a href="/terry-form-mcp/getting-started">Getting Started</a></li>
<li><a href="/terry-form-mcp/guides/">Guides</a></li>
<li><a href="/terry-form-mcp/api/">API Reference</a></li>
<li><a href="/terry-form-mcp/tutorials/">Tutorials</a></li>
</ul>
</div>
<div class="footer-section">
<h4>Community</h4>
<ul>
<li><a href="https://github.com/aj-geddes/terry-form-mcp/discussions">Discussions</a></li>
<li><a href="https://github.com/aj-geddes/terry-form-mcp/issues">Issues</a></li>
</ul>
</div>
<div class="footer-section">
<h4>Resources</h4>
<ul>
<li><a href="/terry-form-mcp/architecture/">Architecture</a></li>
<li><a href="/terry-form-mcp/guides/security">Security</a></li>
</ul>
</div>
</div>
<div class="footer-bottom">
<p>© 2025 Terry-Form MCP. Built with ❤️ by <a href="https://github.com/aj-geddes">AJ Geddes</a></p>
</div>
</footer>
<script src="/terry-form-mcp/assets/js/main.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/prism.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/components/prism-bash.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/components/prism-json.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/components/prism-yaml.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/components/prism-python.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/components/prism-hcl.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/normalize-whitespace/prism-normalize-whitespace.min.js"></script>
</body>
</html>
