# SigRank — AI Operator Benchmarking (slim) > SigRank — AI Operator Benchmarking, an MCP server by signalaf.com, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. SigRank benchmark MCP: cascade metrics, leaderboard, operator profiles, simulation, diagnostics. - Full: https://www.anchorterminal.com/tools/signalaf-sigrank.md (~500 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/tools/signalaf-sigrank.json · canonical https://www.anchorterminal.com/tools/signalaf-sigrank - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05 # SigRank — AI Operator Benchmarking > Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/ - Kind: MCP server, by signalaf.com (https://signalaf.com) - Category: Observability & incidents (https://www.anchorterminal.com/categories/observability.md) - Listed because: It's published in the registry under signalaf.com, a namespace the registry only gives to whoever proves they control that domain. - What the official MCP registry says: SigRank benchmark MCP: cascade metrics, leaderboard, operator profiles, simulation, diagnostics. ## Facts - MCP registry: `com.signalaf/sigrank` 1.0.0 - Endpoint: https://signalaf.com/api/mcp (streamable HTTP) - Source: https://github.com/SunrisesIllNeverSee/sigrank-app - Website: https://signalaf.com - GitHub stars: 6 - Registry entry updated: 2026-08-27 ## Tools - Tools: couldn't list them, initialize: HTTP 402 (checked 2026-10-04 22:23 UTC) - JSON: https://www.anchorterminal.com/api/v1/tools/signalaf-sigrank.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming