YourMemory vs Iai Personal Memory Engine

In-depth architectural comparison of the YourMemory and Iai Personal Memory Engine MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose YourMemory when:

• You need dedicated capabilities in the Knowledge & Memory domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Ebbinghaus forgetting-curve memory decay and pruning, Hybrid retrieval combining BM25, vector embeddings, and entity graph, Consolidation of related facts into summaries to reduce bloat.

Explore YourMemory Details

Choose Iai Personal Memory Engine when:

• You need dedicated capabilities in the Knowledge & Memory domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: memory_recall, memory_temporal_recall, memory_recall_structural.

Feature & Specification Comparison

Specification	YourMemory sachitrafa Knowledge & Memory	Iai Personal Memory Engine CodeAbra Knowledge & Memory
Summary	Persistent memory for AI agents with Ebbinghaus forgetting-curve decay, hybrid BM25+vector retrieval, and entity graph for multi-hop reasoning. Memories auto-prune by importance and recall rate. Built-in browser dashboard, multi-agent support, and yourmemory ask for zero-API-call local queries. pip install yourmemory	Local memory daemon for any MCP-over-stdio client with three-tier storage (episodic/semantic/procedural). Own SQLite + hnswlib store (Hippo) with bge-small-en-v1.5, MIT-licensed community-detection reranking (MOSAIC), and sleep-cycle consolidation. AES-256-GCM encrypted at rest, no telemetry. Verbatim recall >=99% and post-contradiction Rescue@10 1.000 at honest scale. Ambient capture via shell hooks. Windows support in beta.

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "sachitrafa-yourmemory": {
      "command": "uvx",
      "args": [
        "yourmemory"
      ]
    }
  }
}

{
  "mcpServers": {
    "codeabra-iai-personal-memory-engine": {
      "command": "uvx",
      "args": [
        "iai-pme"
      ]
    }
  }
}

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