Research and citator for U.S. immigration law

The immigration law library your AI can cite.

Passim connects Claude and ChatGPT to the immigration case law, the statutes and regulations, and agency guidance, and checks whether each case is still good law. The answers you get cite their sources.

Connect Works with Claude and ChatGPT, and with other MCP clients.
youAIMCPYouask in plain languageYour AIClaude, ChatGPT, or another MCP clientPassimthe library and the citator youAIMCPYouask in plain languageYour AIClaude, ChatGPT, or another MCP clientPassimthe library and the citator
638,005documents, with full text
Dailyupdates from 120+ official sources
Every citelinked to its official source