MCP-Persona - Execution Accuracy: leaderboard
Metric: Execution accuracy (%): executor-verified correctness of the human-specified execution steps (final answers and tool-call parameters, CRUD state changes checked in the sandbox), averaged over tasks; 173 human-verified personal-application tasks on 12 simulated MCP servers (Lark, Slack, WeCom, Notion, Obsidian, Rednote, Reddit, Instagram, email and search tools), up to 20 tool-calling rounds, GPT-4o judge; higher is better. Source: arxiv.org. Saturation forecast: Around 2030. 13 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Sonnet 4.5 | 41.5 |
| 2 | GPT-5 | 41.45 |
| 3 | Claude Opus 4.1 | 36.77 |
| 4 | O4 Mini | 34.73 |
| 5 | O3 | 30.27 |
| 6 | DeepSeek V3 (0324) | 27.52 |
| 7 | Grok 4 | 22.49 |
| 8 | Qwen 3 235B A22B 2507 Instruct | 21.83 |
| 9 | Qwen3 Coder | 20.14 |
| 10 | GPT-4o (2024-11-20) | 20.02 |
| 11 | Gemini 2.5 Pro | 13.38 |
| 12 | Gemini 3 Pro | 5.78 |
Interactive version: theaggregate.ai/benchmark?slug=mcp-persona-execution-accuracy · How It Works · Data refreshed daily, snapshot 2026-09-29.