# OpenFile (joinopenfile.com)

Prepares and files LLC and corporation formation documents with each state, plus EIN and trademark filings.

- Atlas card: https://inite.ai/en/atlas/joinopenfile.com
- Site: https://joinopenfile.com
- For: People starting a US LLC or corporation, from solo consultants and online sellers to founders raising money.
- Categories: documents
- Use not measured/100 · alive 100/100

## Used for

- Form an LLC or corporation in any state
- Get an EIN and operating agreement
- File a trademark with attorney review

## Price

- from 199 USD/one-time, free plan (read 2026-11-01 on https://joinopenfile.com/pricing)

## For developers

- OpenAPI: https://joinopenfile.com/openapi.json (25 paths)
- API docs: https://joinopenfile.com/docs/api
- MCP server: com.joinopenfile/openfile (namespace; open on 2026-11-01, 27 tools)
- Read 2026-11-01

## MCP server, measured daily

Server: https://mcp.joinopenfile.com, checked every day since 2026-11-01 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 261 ms
- Sign-in: none
- Context its tool definitions take: about 6191 tokens (27 tools)
- Tool definitions: A, 100/100
- Warning "open_writes": create_application, update_application, create_formation, update_formation, add_specimen
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-11-01

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Source: INITE Atlas, https://inite.ai/en/atlas/joinopenfile.com. JSON: https://inite.ai/api/atlas/joinopenfile.com. MCP: https://inite.ai/api/mcp (atlas_lookup).