72 open-source AI agent memory systems compared across 79 features
u/papoode published a comparison table of 72 open-source memory systems for AI agents, evaluated across 79 features on 8 axes, with most systems integrating via MCP.
Score breakdown
The landscape provides agent builders with a structured, citation-backed reference for selecting from 72 open-source memory systems, and highlights that MCP integrations already exist for most of them.
- 0172 open-source memory systems for AI agents are compared in the table.
- 02The comparison covers 79 features organized across 8 axes.
- 03Most of the 72 systems integrate via MCP.
A post by u/papoode on r/mcp shares a comprehensive comparison table hosted at `github.com/carsteneu/ai-memory-comparison` that evaluates 72 open-source memory systems for AI agents. The table spans 79 features organized across 8 axes, and every data point is backed by a citation linking directly to the relevant source code or documentation.
The table sorts systems by GitHub stars in ascending order, intentionally foregrounding lesser-known "underdog" projects before the more widely starred ones at the bottom.
A notable finding highlighted in the post is that most of the 72 systems integrate via MCP, suggesting that developers building memory into their agents can likely find a ready-made MCP server rather than starting from scratch. The table sorts systems by GitHub stars in ascending order, intentionally foregrounding lesser-known "underdog" projects before the more widely starred ones at the bottom.
Key facts
- 0172 open-source memory systems for AI agents are compared in the table.
- 02The comparison covers 79 features organized across 8 axes.
- 03Most of the 72 systems integrate via MCP.
- 04Every feature check is backed by a source citation linking to relevant code or docs.
- 05Systems are sorted by GitHub stars in ascending order, with lesser-known projects listed first.
- 06The full comparison is hosted at github.com/carsteneu/ai-memory-comparison.
- 07Posted by u/papoode on r/mcp on 2026-06-08.
Topics
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