Upsilon — AI Operator Measurement Engine
Rank #3,286io.github.SunrisesIllNeverSee/sigrank-mcp
Upsilon measurement engine with 25 local tools and SigRank proof access via the sigrank package.
Upsilon — AI Operator Measurement Engine is a Model Context Protocol (MCP) server published by sunrisesillneversee. It ranks #3,286 of 115,591 servers tracked on MCP Toplist. Upsilon — AI Operator Measurement Engine is listed across 4 registries — Official MCP, PulseMCP, Glama and mcp.so, with 7 tracked versions. It was first listed on Jun 24, 2026 and most recently updated on Aug 30, 2026.
Ranks ahead of 112,305 of 115,591 servers on MCP Toplist.
Use Upsilon — AI Operator Measurement Engine
No credentials or required configuration declared — add it to your MCP client and go.
claude mcp add sigrank-mcp -- npx -y sigrank[mcp_servers.sigrank-mcp]
command = "npx"
args = ["-y", "sigrank"]Add to ~/.codex/config.toml.
{
"mcpServers": {
"sigrank-mcp": {
"command": "npx",
"args": [
"-y",
"sigrank"
]
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config).
{
"mcpServers": {
"sigrank-mcp": {
"command": "npx",
"args": [
"-y",
"sigrank"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"servers": {
"sigrank-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"sigrank"
]
}
}
}Save as .vscode/mcp.json in your workspace.
{
"mcpServers": {
"sigrank-mcp": {
"command": "npx",
"args": [
"-y",
"sigrank"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"sigrank-mcp": {
"command": "npx",
"args": [
"-y",
"sigrank"
]
}
}
}Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.SunrisesIllNeverSee%2Fsigrank-mcp)<a href="https://mcptoplist.com/server/io.github.SunrisesIllNeverSee%2Fsigrank-mcp"><img src="https://mcptoplist.com/badge/io.github.SunrisesIllNeverSee%2Fsigrank-mcp.svg" alt="MCP Toplist: Top 5% of 115,591" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 4 registries
sunrisesillneversee
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Available versions (7)
| Version | Published |
|---|---|
| 1.0.8 | Aug 30, 2026 |
| 1.0.7 | Aug 28, 2026 |
| 1.0.1 | Aug 27, 2026 |
| 0.0.200 | Aug 11, 2026 |
| 0.0.179 | Jul 27, 2026 |
| 0.0.177 | Jul 12, 2026 |
| 0.17.1 | Jul 11, 2026 |
Frequently asked questions
- Who maintains Upsilon — AI Operator Measurement Engine?
- Upsilon — AI Operator Measurement Engine is maintained by sunrisesillneversee, which publishes 7 MCP servers (17 total versions) tracked on MCP Toplist.
- Is Upsilon — AI Operator Measurement Engine listed on the Official MCP Registry?
- Yes — Upsilon — AI Operator Measurement Engine is listed on the Official MCP Registry, alongside PulseMCP, Glama and mcp.so.
- How many versions does Upsilon — AI Operator Measurement Engine have?
- MCP Toplist tracks 7 versions of Upsilon — AI Operator Measurement Engine, most recently published on Aug 30, 2026.
- Where can I find the source code for Upsilon — AI Operator Measurement Engine?
- The source code for Upsilon — AI Operator Measurement Engine is hosted at github.com/sunrisesillneversee/sigrank-mcp.