0CompactMem vs Statelessagent

In-depth architectural comparison of the 0CompactMem and Statelessagent 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 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 Statelessagent when:

• You need dedicated capabilities in the Knowledge & Memory domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• Primary tools included: Provenance tracking and stale knowledge detection, Dual-layer memory with atomic fact extraction, 19 MCP tools for session handoffs, decisions, and search.

Feature & Specification Comparison

Specification	0CompactMem soolaugust Knowledge & Memory	Statelessagent sgx-labs 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	Memory with provenance tracking — records where agent knowledge originated and detects when sources change. 17 MCP tools for session handoffs, decisions, semantic search, and knowledge graph. Works across Claude Code, Cursor, Windsurf, Codex CLI, and Gemini CLI. Single Go binary, SQLite + vector search, fully local.

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

{
  "mcpServers": {
    "sgx-labs-statelessagent": {
      "command": "npx",
      "args": [
        "-y",
        "same@latest"
      ]
    }
  }
}

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