Granite
Launching todayEncrypted second brain your AI tools can use
Granite is an encrypted second brain your AI tools can use. Write in Markdown with wikilinks, backlinks and a graph; everything is encrypted with a key per vault and synced across phone, desktop and web, offline too.
A built-in MCP server lets Claude, ChatGPT and Cursor search and update your notes, only in the vaults you allow, with cited answers. Live co-editing, SSO and audit logs for teams. Never used to train AI. Free forever; Pro $3.99/month.
Media
What people use Granite for
- Give Claude or ChatGPT secure access to your notes and runbooks via MCP
- Keep an encrypted personal knowledge base synced across devices
- Run a team wiki with live co-editing, SSO and audit logs
- Publish a note as a web page
Often compared with
Obsidian, Notion, Logseq, Evernote. See Granite alternatives on IndieNeed
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