Every change Wellknown observed on this MCP server, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.
Changed the definition of "compare_models", "get_leaderboard", "get_model" and 2 more
Head-to-head between 2-4 models: aggregate ranks,Elorating gap with a significance note based on the ⟨7 unchanged words⟩
Top of the cross-benchmark aggregate ranking: every model placed on oneElorating scale by an IRT model fit over public ⟨24 unchanged words⟩
One model in depth: aggregate rank,EloAggregate Rating with standard error, provider, what it is ⟨14 unchanged words⟩
⟨7 unchanged words⟩ name. Returns model coverage, difficulty on theElorating scale, and the benchmark page URL.
Find ranked models by (partial) name or provider. Returns rank,EloAggregate Rating and the model page URL. One row per ⟨7 unchanged words⟩
Changed the definition of "about_the_aggregate", "compare_models", "get_benchmark" and 5 more
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{"destructiveHint":false,"idempotentHint":true,"openWorldHint":false,"readOnlyHint":true,"title":"About The Aggregate"}before
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{"destructiveHint":false,"idempotentHint":true,"openWorldHint":false,"readOnlyHint":true,"title":"Compare models"}Certificate changed, valid to 2026-12-18
Certificate recorded, valid to 2026-10-20
Authorization not required
First tool surface recorded: 8 tools (server version 1.0.1)
Showing the latest 6 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed
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{"destructiveHint":false,"idempotentHint":true,"openWorldHint":false,"readOnlyHint":true,"title":"Benchmark detail"}before
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{"destructiveHint":false,"idempotentHint":true,"openWorldHint":false,"readOnlyHint":true,"title":"Aggregate leaderboard"}before
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{"destructiveHint":false,"idempotentHint":true,"openWorldHint":false,"readOnlyHint":true,"title":"Model profile"}before
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{"destructiveHint":false,"idempotentHint":true,"openWorldHint":false,"readOnlyHint":true,"title":"Prediction duel standings"}before
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{"destructiveHint":false,"idempotentHint":true,"openWorldHint":false,"readOnlyHint":true,"title":"Search benchmarks"}before
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{"destructiveHint":false,"idempotentHint":true,"openWorldHint":false,"readOnlyHint":true,"title":"Search models"}