Fixflow vs HexWitness

In-depth architectural comparison of the Fixflow and HexWitness 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 Fixflow 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).

Explore Fixflow Details

H

Choose HexWitness 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).

Explore HexWitness Details

Feature & Specification Comparison

Specification	Fixflow Knowledge & Memory	H HexWitness Knowledge & Memory
Summary	Collective memory for AI agents. One agent solves a bug — every agent gets the fix instantly.	Durable, build-scoped reverse-engineering evidence memory and query tools for AI agents.
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": {
    "fixflow": {
      "command": "npx",
      "args": [
        "-y",
        "supergateway"
      ]
    }
  }
}

{
  "mcpServers": {
    "hexwitness": {
      "command": "npx",
      "args": [
        "-y",
        "hexwitness"
      ]
    }
  }
}

Related MCP Server Comparisons