Mantle
Mantle is a self-hosted, open-source AI second brain designed for personal or organizational memory retrieval.
Open productWhat it does
About Mantle
Mantle is a self-hosted, open-source AI second brain built for personal or organizational memory retrieval. It organizes information across six distinct memory layers and automatically ingests content from sources such as email, Microsoft 365, Telegram, files, voice notes, and calendars. Built with support for the Model Context Protocol (MCP), Mantle includes 149 built-in tools for search, graphs, pages, tables, files, and email.
- Availability:
- unknown
- Access:
- unknown
- Format:
- software
Core capabilities
Multi-Layered Memory and Content Ingestion
Structures memory into Persona, Recent turns, Conversation digests, Profile facts, Content index, and Content store, while automatically pulling data from background sources like email, Microsoft 365, Telegram, files, voice notes, and calendars.
Hybrid Search and Native Graph Engine
Combines vector semantic search with keyword search using weighted reciprocal rank fusion, and manages knowledge graph connections within PostgreSQL via recursive CTEs.
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