> ## 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.

# Data Sources

> Understanding SEC EDGAR data sources and APIs

## Official SEC Data Sources

SEC Edgar MCP accesses multiple official SEC data sources:

### SEC EDGAR REST API

* **Company Facts**: `/api/xbrl/companyfacts/CIK{cik}.json`
* **Company Submissions**: `/api/xbrl/submissions/CIK{cik}.json`
* **Frames**: Aggregated XBRL data across companies

### Direct Filing Access

* **Filing Documents**: Individual SEC filing .txt files
* **XBRL Content**: Direct XBRL parsing from filing source

## Data Quality Guarantees

* **Real-time Access**: Direct from SEC systems
* **Exact Precision**: No rounding or approximation
* **Official Source**: Legally-binding filed documents
* **Verifiable**: All data includes SEC URL references