Deadends.dev vs MarsNMe

In-depth architectural comparison of the Deadends.dev and MarsNMe 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 Deadends.dev 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: lookup_error, get_error_detail, list_error_domains.

Explore Deadends.dev Details

Choose MarsNMe 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: insert_memory, list_memories, search_memories.

Explore MarsNMe Details

Feature & Specification Comparison

Specification	Deadends.dev Knowledge & Memory	MarsNMe Knowledge & Memory
Summary	Structured failure knowledge for AI agents — dead ends, workarounds, error chains	Agent-agnostic memory backend that preserves continuity between humans and AI over time.
Category & Scope	Knowledge & Memory	Knowledge & Memory
Quality signal

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": {
    "deadends-dev": {
      "command": "uvx",
      "args": [
        "deadends-dev"
      ]
    }
  }
}

{
  "mcpServers": {
    "marsnme": {
      "command": "npx",
      "args": [
        "-y",
        "@marsnme/mcp-gateway"
      ]
    }
  }
}

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