MCPGen - Workflow Reconstruction: leaderboard

Metric: Reconstruction score (%; 0.4 x step order + 0.2 x dependency-edge recovery + 0.4 x path robustness, mean over five shuffled, anonymized variants of each project workflow; single-turn generation, temperature 0, 100 executable MCP projects from 16 domains). Source: arxiv.org. Saturation forecast: Around December 2026. 11 models tracked.

Top models

#ModelScore
1Gemini 3 Flash (Preview)88.5
2Gemini 3 Pro (Preview)86.7
3Claude Sonnet 4.585.9
4Claude Haiku 4.5 (20251001)84
5GPT-5.283.7
6O383.7
7GPT-5.181.5
8MiniMax-M2.178.2
9Qwen 3 Next 80B A3B Instruct75.7
10Qwen 3 Coder 30B A3B Instruct75.1
11GPT-4o Mini70.7

Interactive version: theaggregate.ai/benchmark?slug=mcpgen-workflow-reconstruction · How It Works · Data refreshed daily, snapshot 2026-09-26.