INDIVIDUAL MCP TOOL

get_auctions

US Treasury auction results, measured by Helious at the close: the high yield, the tail against the when-issued yield, bid-to-cover against the tenor's twelve-auction average, who bought (indirect, direct, dealer), and the desk's strong, in line or weak verdict.

helious.ionone authenticationAvailability not checked

LIVE ENDPOINT

https://helious.io/mcp

No auth detected

Connect to this endpoint to inspect the live schema for get_auctions and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

Parent server

helious.io

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.helious]
url = "https://helious.io/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "helious": {
      "type": "http",
      "url": "https://helious.io/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: helious
Remote MCP URL: https://helious.io/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "helious": {
      "url": "https://helious.io/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "helious": {
      "type": "http",
      "url": "https://helious.io/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "helious",
  "transport": "streamable-http",
  "url": "https://helious.io/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

Related tools

get_rates_and_curve — US Treasury yields, the 2s10s and other spreads, and the curve regime (bull or bear, steepener or flattener) with the time it flipped.
get_curve_history — Past curve regime changes: every flip with its time, what it flipped from, and how the session closed.
get_fx_board — FX momentum scorecard: seven major currencies scored against the basket.
get_vol_board — Implied volatility board: VIX and the other vol gauges with their one-year percentile.
get_correlations — Cross-asset correlation matrix (stocks, bonds, dollar, gold, oil) over 30 to 120 day windows.
get_hormuz_transits — Ships through the Strait of Hormuz per day, split tanker and cargo, measured by Helious from live ship tracking.
get_yield_closes — Official 17:00 New York Treasury yield closes per session, as Helious recorded them.
get_economic_calendar — Economic releases with forecasts, prior values and the actual once it prints, plus Fed speakers and auction times.