Performative Evals & Leaderboard for AI Users | SigRank Sign
SigRank is the public proof surface for AI operators, powered by Upsilon's privacy-preserving measurement engine. Public rankings by Yield—not raw token volume.
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https://sigeconomy.comhttps://sigeconomy.com/api/mcpLast probed Nov 3, 2026 · sigeconomy.com
8tools discovered
Get Best Operator — Who Is #1 Right Now?
Returns the current #1 AI operator by Yield (Υ) on the live leaderboard.
Compare Operators — Head-to-Head
Compares two operators by codename, returning their metrics side by side, the yield gap, the primary differentiating fa…
Describe Power User — What Does Elite Look Like?
Returns the statistical profile of the top 10% of AI operators: median yield, leverage, velocity, SNR, common class tie…
Discover Peers — Find Operators Like Me
Finds operators whose metrics most closely match yours.
Optimize Efficiency — Actionable Recommendations
Analyzes an operator's metrics and returns specific, actionable recommendations to improve yield.
Operator Gap — What Separates Two Operators
Decomposes the yield gap between two operators into leverage, velocity, and SNR contributions.
Field Anomaly — Unusual Patterns
Scans the live leaderboard for unusual patterns: high velocity with low leverage, top operators with near-zero cache wr…
Explain This Operator — Natural-Language Profile
Returns a natural-language explanation of an operator's profile: their class, archetype, dominant trait, strengths, wea…
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Directory coverage for brandsSigRank is the public proof surface for AI operators, powered by Upsilon's privacy-preserving measurement engine. Public rankings by Yield—not raw token volume.
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Schemas and invoke metadata: Directory API
MCPBundles probed 8 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
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