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Dev.to
5/22/2026
react-render-profile-mcp v0.3.1 - 4 new diagnostic tools for React Compiler, hydration, Zustand, and state cascades

react-render-profile-mcp v0.3.1 - 4 new diagnostic tools for React Compiler, hydration, Zustand, and state cascades

Short summary

react-render-profile-mcp v0.3.1 adds four diagnostic tools targeting React Compiler ineffectiveness, hydration mismatches, external store loops, and state cascade propagation. Each provides root-cause classification and specific fixes instead of generic recommendations. Export a React DevTools profile and pass it to any tool via the MCP server.

  • Four new diagnostic tools: analyze_compiler_efficacy, diagnose_hydration_and_suspense, evaluate_external_store_performance, trace_state_cascade_footprint
  • Identifies specific failure modes (unstable refs, selector loops, sync bypasses) rather than just flagging problems
  • Actionable output with ROI-scored recommendations tailored to each root cause

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