What is the key difference between 0CompactMem and Mnemo MCP?

0CompactMem belongs to the Knowledge & Memory category with local stdio execution, while Mnemo MCP belongs to the Knowledge & Memory category with local stdio execution.

How do I install 0CompactMem or Mnemo MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are 0CompactMem and Mnemo MCP free or paid?

0CompactMem operates under a Free / Open Source model (No auth required). Mnemo MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

0CompactMem lists 6 tools with 2 views and 5 GitHub stars. Mnemo MCP lists 3 tools with 3 views and 11 GitHub stars.

Can I use both 0CompactMem and Mnemo MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

0CompactMem vs Mnemo MCP

In-depth architectural comparison of the 0CompactMem and Mnemo MCP 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.

At a Glance & Executive Verdict

0CompactMem

Knowledge & Memory · Local stdio

Quality: 52/100 (Good) | Auth: No auth required

Mnemo MCP

Knowledge & Memory · Local stdio

Quality: 60/100 (Good) | Auth: No auth required

Verdict Summary: Choose 0CompactMem if you need specialized Knowledge & Memory tools running via a local process. Choose Mnemo MCP if your workspace requires Knowledge & Memory integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose 0CompactMem 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: SQLite WAL-backed persistent storage, BM25 and FTS5 memory retrieval, Importance-based scoring.

Explore 0CompactMem Details

Choose Mnemo MCP 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: config, help, config__open_relay.

Explore Mnemo MCP Details

Feature & Specification Comparison

Specification	0CompactMem soolaugust Knowledge & Memory	Mnemo MCP n24q02m Knowledge & Memory
Summary	Persistent memory MCP server with OS-style demand paging, kswapd-style eviction, and mlock pinning. Multi-agent shared SQLite store with BM25 + FTS5 retrieval, importance scoring, and capacity-aware reclaim. 5 tools: memorylookup, pinmemory, unpinmemory, memorystats, listpinned. uvx --from git+https://github.com/soolaugust/0CompactMem memory-os	Persistent AI memory with SQLite hybrid search (FTS5 + semantic). Built-in Qwen3 embedding, rclone sync across machines. Zero config, no cloud, no limits.
Category & Scope

Tools & Capabilities Breakdown

0CompactMem Tools (6)

SQLite WAL-backed persistent storage

BM25 and FTS5 memory retrieval

Importance-based scoring

Capacity-aware memory reclaim

Memory pinning and unpinning

Five MCP tools for lookup, pinning, statistics, and listing

Mnemo MCP Tools (3)

config

Server status, trigger sync, update settings, pre-download embedding model, authenticate sync provider, manage HTTP setup form lifecycle, passport export/import

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).

0CompactMem Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "soolaugust-0compactmem": {
      "command": "uvx",
      "args": [
        "--from",
        "git+https://github.com/soolaugust/0CompactMem",
        "memory-os"
      ]
    }
  }
}

Mnemo MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "n24q02m-mnemo-mcp": {
      "command": "uvx",
      "args": [
        "mnemo-mcp"
      ]
    }
  }
}

Frequently Asked Questions

0CompactMem is categorized under Knowledge & Memory and uses a local stdio subprocess. In contrast, Mnemo MCP belongs to Knowledge & Memory using local stdio subprocess. Select 0CompactMem when you need capabilities focused on knowledge & memory and Mnemo MCP when you require tools for knowledge & memory.

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