Pokee-Isaac 28B Report - MCP-Atlas Coverage: leaderboard

Scale AI's MCP-Atlas, all 500 public tasks against a live 36-server MCP sandbox (GitHub, Slack, Google Workspace, Notion and others) with caches off, 40 tool turns and 4,096 output tokens. A shared GPT-5.5 judge scores the mean fraction of required claims satisfied (%). Pokee-Isaac ran at temperature 0.7, the other models at 1.0. From Pokee AI's Pokee-Isaac 28B technical report (September 10, 2026 revision): Pokee ran every listed model itself through hosted APIs under one harness, with each peer's default temperature (unless a benchmark section fixes one) and a high thinking level where available; exhausted retries, context overflows and verifier failures count as zero. Higher is better.

Metric: Mean claim coverage (%). Source: pokee.ai. Saturation forecast: Around February 2027. 6 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.6 Luna77.9#117
2Gemini 3.5 Flash Lite76.67#300
3Qwen 3.5 122B A10B70.24#329
4Claude Haiku 4.556.45#568
5Nemotron 3 Super48.95#766

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=pokee-isaac-28b-report-mcp-atlas-coverage · How It Works · Data refreshed daily, snapshot 2026-11-12.