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Your appOpenFile logoOpenFile API

What can I do with this?

OpenFile's REST API covers forming US LLCs and corporations and filing US trademarks: state fees and rules, USPTO search, quotes and draft filings that the owner reviews and signs.

What credentials do I need?

Authentication and permission requirements have not been reviewed here. Check the provider documentation for the required keys, OAuth scopes and account access before sending a request.

Check provider documentation ↗

Can I test without an account?

Account-free API calls have not been verified for this profile. You can inspect specifications and prepare requests in the explorer without running them.

Requests run only when you choose to send them. Browser access depends on the provider’s CORS policy.

Setup resources

1 API

OpenFile API

Native API

1 MCP Server

OpenFile logo

OpenFile MCP · Official

API and data access · see supported scope

Official MCP
OpenFile: connection requirements
Transport
Streamable HTTP
Authentication
none
Server URL
https://mcp.joinopenfile.com/

Connect over Streamable HTTP; no API key is required. Filings are prepared for the owner, who reviews, pays for and signs each one before submission. Publisher documentation reviewed; no authenticated runtime test performed.

Documentation reviewed · Connection not runtime-tested.

Integration details

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Connect & integrate

OpenFile · Official MCP

Documentation & getting started

Developer documentation
View Developer documentation
API reference
View API reference

These are the details currently listed in our catalog. Omitted fields are unknown, not necessarily unsupported. Confirm current requirements in the provider’s documentation.

Frequently asked questions

What is OpenFile?

OpenFile's REST API covers forming US LLCs and corporations and filing US trademarks: state fees and rules, USPTO search, quotes and draft filings that the owner reviews and signs.

Where can I find OpenFile provider documentation?

Use the linked OpenFile provider documentation to check setup and supported capabilities.

Read documentation
What does the official OpenFile MCP implementation support?

Check business names, price filings and prepare US LLC, corporation and trademark filings; the owner reviews and signs each one. Supported operations are limited to those exposed by this implementation. Publisher evidence reviewed 2026-11-04. This review does not establish a working connection.

View publisher evidence
How do I connect to OpenFile MCP?

Streamable HTTP. none Connect over Streamable HTTP; no API key is required. Filings are prepared for the owner, who reviews, pays for and signs each one before submission. Publisher documentation reviewed; no authenticated runtime test performed. Documentation reviewed 2026-11-04; not runtime-tested.

Read connection instructions
How current is this OpenFile profile?

API Tracker summarizes available catalog information. Missing fields mean we have not established those details; they do not mean a feature is unsupported. Confirm current requirements with the provider.

Read our methodology

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A directory listing, not a certification or Official MCP badge.