Acheron MCP Server vs Statelessagent

In-depth architectural comparison of the Acheron MCP Server 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 Acheron MCP Server 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: bridge_save_context, bridge_get_context, bridge_search_context.

Explore Acheron MCP Server 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	Acheron MCP Server timmx7 Knowledge & Memory	Statelessagent sgx-labs Knowledge & Memory
Summary	Cross-surface persistent memory for Claude. Bridges context between Claude Chat, Code, and Cowork via local SQLite with full-text search. Save decisions, preferences, and insights in one surface, retrieve them in any other.	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.
Category & Scope

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": {
    "timmx7-acheron-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "acheron-mcp-server"
      ]
    }
  }
}

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

Related MCP Server Comparisons