Qa Probe vs Unfour

In-depth architectural comparison of the Qa Probe and Unfour 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 Qa Probe when:

• You need dedicated capabilities in the Delivery domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• You have access to required keys: QA_USER, QA_PASS.
• Primary tools included: qa_probe_get_report, qa_probe_explain_failure, qa_probe_probe_endpoint.

Explore Qa Probe Details

Choose Unfour when:

• You need dedicated capabilities in the Delivery domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Unfour Details

Feature & Specification Comparison

Specification	Qa Probe LS-SIEM-LLP Delivery	Unfour zyqzyq Delivery
Summary	Probes your live API and classifies why each endpoint failed (root cause + evidence + calibrated confidence) over MCP, so your AI assistant debugs from evidence instead of guessing. Deterministic rules, no black box. Works with FastAPI, Express, Next.js, tRPC, and GraphQL. npm i -g qa-probe	Local-first backend developer workspace exposing API debugging, SSH, database, workspace, and diagnostics tools to AI agents through a local MCP server, with workspace-scoped safety policies and confirmation for risky actions.
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": {
    "ls-siem-llp-qa-probe": {
      "command": "npx",
      "args": [
        "-y",
        "qa-probe"
      ],
      "env": {
        "QA_USER": "YOUR_QA_USER_HERE",
        "QA_PASS": "YOUR_QA_PASS_HERE"
      }
    }
  }
}

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

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