> ## Documentation Index
> Fetch the complete documentation index at: https://sec-edgar-mcp.amorelli.tech/llms.txt
> Use this file to discover all available pages before exploring further.

# Architecture

> SEC Edgar MCP system architecture and design

## System Overview

SEC Edgar MCP follows a modular architecture designed for reliability, performance, and maintainability.

## Core Components

### MCP Server Layer

* **Tool Registration**: Discovers and registers all available tools
* **Request Routing**: Routes requests to appropriate tool handlers
* **Response Formatting**: Ensures consistent JSON response format

### Data Access Layer

* **SEC API Client**: Handles SEC EDGAR REST API communication
* **XBRL Parser**: Direct parsing of XBRL filing content
* **Cache Manager**: Optimizes performance through intelligent caching

### Tool Implementation

* **Company Tools**: CIK lookup, company information, facts
* **Filing Tools**: Recent filings, content extraction, analysis
* **Financial Tools**: XBRL-based financial statement extraction
* **Insider Tools**: Form 3/4/5 transaction analysis