MCP-Atlas mean claim coverage (MCP-Atlas claim coverage)
We show this table for reference; we do not rank on it.
Average coverage of required claims in answers produced during real-world MCP tool-use workflows.
Benchmark score on MCP-Atlas claim coverage — November 13, 2026
We compile the MCP-Atlas claim coverage rows from provider self-reports. Claude Opus 5 leads the table at 89.1%, followed by Pokee-Isaac 28B (74.6%). We do not use these results to rank models overall.
Claude Opus 5
Anthropic
Reported by AnthropicPokee-Isaac 28B
Pokee AI
Reported by Pokee AI2 modelsAgenticCurrentDisplay onlyUpdated November 13, 2026
Benchmark score table (2 models)
All 2 results on this page were reported by the labs that built the models.
| Rank | Model / configuration | Score | Who ran it | Parameters (B) | Open / closed |
|---|---|---|---|---|---|
| 1 | Claude Opus 5AnthropicReported by Anthropic | 89.1% | Reported by Anthropic | Not reported | Closed |
| 2 | Pokee-Isaac 28BPokee AIReported by Pokee AI | 74.6% | Reported by Pokee AI | Not reported | Closed |
- Lab-reported
- Benchmark-run
- Independent
About MCP-Atlas claim coverage
Year
2026
Tasks
Production-like multi-server MCP workflows
Format
Mean claim coverage
Difficulty
Real-world tool use
Section 8.13.2 reports claim coverage alongside the separate MCP-Atlas pass rate and notes that production effort settings may have changed slightly since evaluation.
Freshness and provenance
Version
MCP-Atlas claim coverage 2026
Refresh cadence
Quarterly
Staleness state
Current
Question availability
Public benchmark set
BenchLM uses freshness metadata to decide whether a benchmark should still be treated as a strong differentiator, a benchmark to watch, or a display-only reference. For the full scoring policy, see the BenchLM methodology page.
Questions
What does MCP-Atlas claim coverage measure?
Average coverage of required claims in answers produced during real-world MCP tool-use workflows.
Which model scores highest on MCP-Atlas claim coverage?
Claude Opus 5 by Anthropic currently leads with a score of 89.1% on MCP-Atlas claim coverage.
How many models are evaluated on MCP-Atlas claim coverage?
2 AI models have published results on MCP-Atlas claim coverage in the BenchLM catalog.
Compare top models on MCP-Atlas claim coverage
Know when it’s worth switching models
The model to choose, the cheaper alternative, and the release we would wait on.
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