[deep-report] Harden GitHub Remote MCP auth-test by ensuring toolsets load or fallback to local mode

[github-actions]

Description

The GitHub Remote MCP auth-test continues to fail because GitHub MCP toolsets are not loaded in the runner (tools missing, not auth failures). Add a preflight check to verify tool availability, and implement a documented fallback (e.g., switch to local mode or emit an actionable error with remediation) when remote toolsets are unavailable.

Expected Impact

Reduces false-negative auth-test failures and improves signal on actual MCP availability issues.

Suggested Agent

workflow-analysis or mcp-analysis agent

Estimated Effort

Medium (1-4 hours)

Data Source

DeepReport Intelligence Briefing 2026-01-26; auth-test discussion §21356644658

AI generated by DeepReport - Intelligence Gathering Agent

[github-actions]

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