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Cognio

Cognio is a self-hosted Python MCP server that gives AI assistants persistent semantic memory, using SQLite storage and semantic search to save and retrieve context across conversations.

Independent OpenViST project profile, based on linked sources.

Cognio — OpenViST project profile in Agent Memory & RAG.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Cognio when an assistant workflow needs context to persist beyond an individual conversation and you want project-organized semantic retrieval.

Who it is for

  • People building workflows with MCP-compatible AI assistants.
  • Users who want a persistent store for research notes, learning records, or multi-project context.

Documented uses

  • Save information from conversations for later retrieval.
  • Search stored memories by meaning and filter them by project.
  • Organize, summarize, and export assistant memory.
Before you choose

Requirements & limits

The repository is public and specifies an MIT license. Its quick start describes running the server locally with Docker Compose.

  • Cognio is a memory server that an assistant connects to through MCP, rather than an AI assistant.
  • The documented stack includes Python 3.11 or later, SQLite, and a separate MCP server component.
  • LEANN vector search is optional; auto-tagging can use an LLM provider and requires provider credentials.
  • The repository lists integrations for several assistant clients, but client-specific setup is described separately.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Start Cognio with Docker Compose

Bring up the Cognio server using the repository's quick-start procedure.

Before you start

  • Git
  • Docker Compose

Steps

  1. Clone the Cognio repository.

  2. Change into the Cognio directory.

  3. Run docker-compose up -d.

Expected outcome

The quick start says the server runs at http://localhost:8080.

Guide limitations

  • This procedure starts the server; it does not cover connecting a particular assistant client.
Evidence and transparency

Sources & review

Source record details
Source availability
Active
Sources checked
16 October 2026
Original website title
0xReLogic/Cognio · Official homepage title · retained in its source language